what substances are transported from the leaves to the rest of the body
Answers
Tissue - Process - What is moved
Xylem -Transpiration - Moves water and minerals from roots to leaves
Phloem - Translocation - Moves food substances from leaves to rest of plant and from stores such as in the roots
Related Questions
Natasha has a short stature, although everyone in her family is tall. Unlike her family members and relatives, she has a webbed neck. She dislikes mathematics as she has difficulty understanding the subject. However, she takes part in and enjoys activities that require verbal communication. Natasha's doctor informs her parents that she is missing an X chromosome, making her XO instead of XX. The symptoms and the cause of the symptoms most likely indicate that Natasha has____. Multiple Choice a. Fragile X syndrome b. XYY syndrome c. Klinefelter syndrome d. Turner syndrome
Answers
Natasha most likely has Turner syndrome.
Turner syndrome, also known as 45,X or monosomy X, is a genetic disorder that affects females. It is characterized by the absence of one of the X chromosomes, resulting in an XO chromosomal pattern instead of the typical XX pattern. This condition can lead to various physical and developmental features, which align with the symptoms described for Natasha.
One of the key features of Turner syndrome is short stature, as seen in Natasha's case. Despite having tall family members, her lack of growth can be attributed to the absence of an X chromosome. Additionally, the mention of a webbed neck is also a common characteristic of Turner syndrome. This webbing occurs due to extra folds of skin on the sides of the neck, giving it a "webbed" appearance.
Another aspect mentioned is Natasha's dislike and difficulty with mathematics. While this is not a direct symptom of Turner syndrome, learning difficulties, particularly in spatial and mathematical areas, can be present in individuals with the condition. It is important to note that these learning difficulties can vary among affected individuals.
On the other hand, Natasha's enjoyment of activities that require verbal communication aligns with the strengths often seen in individuals with Turner syndrome. They tend to have good verbal skills and may excel in areas such as language, social interaction, and verbal expression.
In conclusion, based on the symptoms described (short stature, webbed neck, difficulty with mathematics but good verbal communication skills), the most likely diagnosis for Natasha is Turner syndrome.
Turner syndrome, also known as 45,X or monosomy X, is a genetic disorder that affects females. It is caused by the absence of one X chromosome, resulting in an XO chromosomal pattern instead of the typical XX pattern. The condition can have various physical and developmental features. One of the most common characteristics is short stature, where affected individuals tend to be shorter than average. Another notable feature is a webbed neck, which refers to the excess folds of skin on the sides of the neck, giving it a web-like appearance.
In addition to these physical features, individuals with Turner syndrome may also experience certain learning difficulties. While not all individuals are affected in the same way, some may struggle with spatial and mathematical concepts. On the other hand, they often exhibit strengths in verbal communication, language skills, and social interaction. This could explain Natasha's dislike for mathematics but her enjoyment of activities that require verbal communication.
It is important to note that Turner syndrome can have varying effects on individuals, and not everyone will display the same set of symptoms. Therefore, a thorough medical evaluation and genetic testing are necessary for an accurate diagnosis. Early intervention and appropriate management can help address any potential challenges and ensure the overall well-being of individuals with Turner syndrome.
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The ________________ in ray-finned fishes likely arose through modifications that resulted in the lung(s) taking on a new function.
Answers
The swim bladder ray-finned fishes likely arose through modifications that resulted in the lung(s) taking on a new function.
The swim bladder is an air-filled sac that allows the fish to maintain buoyancy and control their depth in the water. This adaptation may have evolved from lungs in ancestral fish species, which were modified over time to serve this new purpose.
The evolution of the swim bladder in ray-finned fishes likely arose through modifications that resulted in the lung(s) taking on a new function. This organ, which originally served as a respiratory organ, became adapted for buoyancy regulation and enabled fishes to control their position in the water column.
Therefore, Swim bladder was a key evolutionary innovation that allowed for the diversification and success of ray-finned fishes in a variety of aquatic environments.
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fill in the blank:
q1
a) the muscle ______ senses changes in muscle metabolites and alters cardiac output
during exercise.
b) What is the role of Kv1.2 channels during an action
potential?
Answers
a) The muscle chemoreceptor senses changes in muscle metabolites and alters cardiac output during exercise.b) The role of Kv1.2 channels during an action potential is to restore the resting membrane potential.
What is a chemoreceptor? A chemoreceptor is a receptor that responds to the binding of a particular chemical or chemicals by modifying some process or processes in the organism. In this case, muscle chemoreceptors are chemoreceptors that detect changes in the metabolites of the muscle. A cardiac muscle or heart muscle is the muscle tissue of the heart. It has involuntary movements (the contraction and relaxation of muscles), and the cardiac muscle is a type of striated muscle, which means that its tissue is made up of repeated units of sarcomeres.
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For a given species, uniform thickness of a cell membrane requires uniform chain length of its fatty acids. How do you think chain length may be regulated
Answers
For a given species, uniform thickness of a cell membrane requires uniform chain length of its fatty acids. The chain length may be regulated through the process of fatty acid synthesis
The length of the chain can be controlled by the enzymes involved in fatty acid synthesis, which can either elongate or shorten the fatty acid chain. Additionally, the availability of precursors for fatty acid synthesis can also play a role in regulating chain length. For example, if there is an abundance of short-chain fatty acid precursors, the resulting fatty acids may be shorter in length. The regulation of chain length is important for maintaining a uniform thickness of the cell membrane, which is necessary for proper cell function.
Deviations from uniformity can result in changes in membrane fluidity and permeability, which can ultimately lead to cellular dysfunction. Overall, the regulation of chain length in fatty acids is an important aspect of maintaining cellular homeostasis through the process of fatty acid synthesis
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The Enter-Douderoff pathway, the Embden-Meyerhof-Parnas pathway, and the Pentose Phosphate shunt A. completely oxidize glucose to carbon dioxide and water B. are anabolic pathways that require the input of energy to proceed C. can all oxidize glucose to different intermediates and generate NADH and/or NADPH D. are different ways in which bacteria can ferment E. none of the above
Answers
The Enter-Douderoff pathway, the Embden-Meyerhof-Parnas pathway, and the pentose phosphate shunt are pathways that can all oxidize glucose to different intermediates and generate NADH and/or NADPH. Hence, the correct option is (C), which can oxidize glucose to different intermediates and generate NADH and/or NADPH.
The different metabolic pathways that can oxidize glucose to generate ATP and NADH in bacteria are
Embden-Meyerhof-Parnas (EMP) Pathway: This is the most common pathway of glucose oxidation in bacteria. In the EMP pathway, glucose is converted to pyruvate, and ATP is generated via substrate-level phosphorylation. Enter-Doudoroff (ED) Pathway: This pathway is an alternative to the EMP pathway. In this pathway, glucose is converted to pyruvate via a series of unique enzymatic reactions.ATP is generated via substrate-level phosphorylation, and NADH is generated. Pentose Phosphate Shunt (PPS) or Hexose Monophosphate (HMP) Pathway: This pathway is used to generate NADPH, which is essential for biosynthesis reactions. It is also used to generate pentose sugars, which are essential for nucleotide synthesis in bacteria.Therefore, the correct option is C.
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Why Is the air sea exchange balanced?
Answers
How much energy does a 35-pound toddler need to consume per day? 29 Multiple Choice 1050 kcal/day 2012 kcal/day 1335 call day O 2035 kcaldy
Answers
The average calorie requirements for a 35-pound toddler are estimated to be around 1,035 kcal/day for a sedentary lifestyle and 2,012 kcal/day for a more active lifestyle.
Here, correct option is B.
However, it is important to note that these numbers are just estimates and should be adjusted accordingly if the toddler is engaging in more strenuous activities or if their height and age are different than the average. A registered dietitian can help to determine the exact amount of energy a toddler needs to consume per day.
Additionally, it is important to ensure that the toddler is receiving adequate nutrition so that they can grow and develop normally. Eating a balanced diet with plenty of fruits, vegetables, lean proteins, and whole grains can help to ensure that the toddler is receiving all of the necessary nutrients in the right amounts.
Therefore, correct option is B.
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. You are an ecologist collecting data about the declining growth rate of thecritically endangered Philippine eagle. The eagles’ only known population isestimated to have about 350 – 650 individuals. Which of the following can youassume is zero?A. natalityB. mortalityC. immigration
Answers
According to the given data, the population of the critically endangered Philippine eagle is about 350-650 individuals. This means that there is no immigration of the eagle species taking place.
Immigration takes place when a species sets up a home in a habitat because that habitat is suitable for it. In this situation, no immigration is taking place whi the population of species is very low.
Therefore, the correct answer is option c. immigration.
What are the important functions of the respiratory system?
Answers
Answer:The important functions of the respiratory system are to provide oxygen to the body's cells, remove carbon dioxide from the body, and regulate the pH of the body's fluids. Additionally, the respiratory system helps to regulate body temperature, filter out airborne particles, and produce vocal sounds.
Explanation:
cup-shaped depression formed by all three portions of the hip (coxal) bone fill the blank
Answers
The cup-shaped depression formed by all three portions of the hip (coxal) bone is known as the acetabulum.
The hip (coxal) bone, also known as the pelvic bone, is a large, flat bone in the lower part of the body that connects the spine to the femur. The hip bone consists of three sections: the ilium, the ischium, and the pubis. The three parts meet to create a bowl-like shape known as the acetabulum. The acetabulum is a cup-shaped depression formed by all three portions of the hip (coxal) bone. It is the socket that the femur, or thigh bone, fits into to create the hip joint. The acetabulum is a crucial part of the skeletal system since it allows for hip movement and weight-bearing, which are necessary for walking and other activities.
Ilium, ischium, and pubis, their three component parts, are distinct in young subjects but join together in adults. This union occurs in and around the acetabulum, a sizable cup-shaped articular cavity that is located close to the center of the bone's outer surface.
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Which statement about nucleic acids is true? Check all that apply. Nucleic acids store and transmit genetic information. The nucleic acid DNA is the blueprint for life. DNA holds the instructions for all structures and functions of an organism. The nucleic acid RNA “reads” the instructions from DNA to construct proteins
Answers
Nucleic acids store and transmit genetic information and the nucleic acid DNA is the blueprint for life.
How do nucleic acids transmit genetic records?Messenger RNA acts to carry genetic sequence statistics among DNA and ribosomes, directing protein synthesis, and containing instructions from DNA inside the nucleus to the ribosome. Ribosomal RNA reads the DNA series and catalyzes peptide bond formation.
What's the DNA blueprint of existence?DNA is known as the blueprint of lifestyles due to the fact it's miles the preparation guide to create, develop, function, and reproduce existence on the planet similar to a blueprint of a house. In 1869, Friederich Miescher determined a substance called “nuclein”, coping to isolate the first regarded natural sample of the fabric.
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Find the solution of the given initial value problem: (a) y
′
−y=2xe
2x
,y(0)=1 (b) y
′
+(cotx)y=2cscx,y(π/2)=1
Answers
(A) The answer to the initial value problem is given by \(\(y = (x^2 + 1)e^x\)\), where \(\(y' - y = 2xe^{2x}\)\) and \(\(y(0) = 1\)\).
(B) The resolution to the initial value problem can be expressed as \(\(y = \frac{2x - (\pi - 1)}{\sin(x)}\)\), where \(\(y' + \cot(x)y = 2\csc(x)\)\) and \(\(y\left(\frac{\pi}{2}\right) = 1\)\).
(A) To solve the initial value problem:
\(\[y' - y = 2xe^{2x}, \quad y(0) = 1\]\)
We can use an integrating factor method. To begin, let us express the equation in its standard form:
\(\[y' - y - 2xe^{2x} = 0\]\)
The integrating factor \(\(I(x)\)\) is given by \(\(I(x) = e^{\int -1 \, dx} = e^{-x}\)\).
To obtain the solution, apply the integrating factor to both sides of the equation and perform the multiplication.
\(\[e^{-x}(y' - y) - 2xe^{2x}e^{-x} = 0\]\)
This simplifies to:
\(\[e^{-x}y' - e^{-x}y - 2x = 0\]\)
Now, observe that the expression on the left-hand side represents the derivative of \(\((e^{-x}y)\)\) with respect to \(\(x\)\).
Using this observation, we can rewrite the equation as:
\(\[\frac{d}{dx}(e^{-x}y) - 2x = 0\]\)
Integrating both sides with respect to \(\(x\)\), we get:
\(\[e^{-x}y - \int 2x \, dx = C\]\)
where \(\(C\)\) is the constant of integration.
Integrating \(\(\int 2x \, dx\)\), we have:
\(\[e^{-x}y - x^2 + C = 0\]\)
To find the constant \(\(C\)\), we use the initial condition \(\(y(0) = 1\)\).
Substituting \(\(x = 0\)\) and \(\(y = 1\)\) into the equation, we get:
\(\[e^{0} \cdot 1 - 0^2 + C = 0\]\)
\(\[1 + C = 0\]\)
\(\[C = -1\]\)
Substituting \(\(C = -1\)\) back into the equation, we have:
\(\[e^{-x}y - x^2 - 1 = 0\]\)
Finally, we can solve for \(\(y\)\) by isolating it:
\(\[e^{-x}y = x^2 + 1\]\)
\(\[y = (x^2 + 1)e^x\]\)
(B) To solve the initial value problem:
\(\[y' + \cot(x)y = 2\csc(x), \quad y\left(\frac{\pi}{2}\right) = 1\]\)
We can use an integrating factor method. To begin, we will rewrite the equation in standard form:
\(\[y' + \cot(x)y - 2\csc(x) = 0\]\)
The integrating factor \(\(I(x)\)\) is given by:
\(\(I(x) = e^{\int \cot(x) \, dx} = e^{\ln(\sin(x))} = \sin(x)\).\)
Apply the integrating factor to both sides of the equation and perform the multiplication.
\(\[\sin(x)(y' + \cot(x)y) - 2\csc(x)\sin(x) = 0\]\)
This simplifies to:
\(\[\sin(x)y' + \cos(x)y - 2 = 0\]\)
Now, observe that the expression on the left-hand side represents the derivative of \(\((\sin(x)y)\)\) with respect to \(\(x\)\). Using this observation, we can rewrite the equation as:
\(\[\frac{d}{dx}(\sin(x)y) - 2 = 0\]\)
Integrating both sides with respect to \(\(x\)\), we get:
\(\[\sin(x)y -\)\(\int 2 \, dx = C\]\)
where \(\(C\)\) is the constant of integration. Integrating \(\(\int 2 \, dx\)\), we have:
\(\[\sin(x)y - 2x + C = 0\]\)
To find the constant \(\(C\)\), we use the initial condition \(\(y\left(\frac{\pi}{2}\right) = 1\).\)
Substituting \(\(x = \frac{\pi}{2}\)\) and \(\(y = 1\)\) into the equation, we get:
\(\[\sin\left(\frac{\pi}{2}\right) \cdot 1 - 2\left(\frac{\pi}{2}\right) + C = 0\]\)
\(\[1 - \pi + C = 0\]\)
\(\[C = \pi - 1\]\)
Substituting \(\(C = \pi - 1\)\) back into the equation, we have:
\(\[\sin(x)y - 2x + (\pi - 1) = 0\]\)
Finally, we can solve for \(\(y\)\) by isolating it:
\(\[\sin(x)y = 2x - (\pi - 1)\]\)
\(\[y = \frac{2x - (\pi - 1)}{\sin(x)}\]\)
\(\(y = \frac{2x - (\pi - 1)}{\sin(x)}\).\)
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The complete question is:
Find The Solution Of The Given Initial Value Problem:
(A) \(\(y' - y = 2xe^{2x}\)\), and \(\(y(0) = 1\)\)
(B) \(\(y' + \cot(x)y = 2\csc(x)\)\), and \(\(y\left(\frac{\pi}{2}\right) = 1\)\)
Changes in the number of chromosomes or the structure of a chromosome are called _____ mutations.
Answers
Answer:
Chromosomal mutations
unlike bacterial infections, populations of pathogenic viruses do not evolve resistance to antiviral drugs.
Answers
Answer:
Unlike bacterial infections, there are not a lot of cures for those caused by viruses. Antibiotics do not fight viruses, only bacteria. Some antiviral medications treat illnesses like hepatitis C. There are also …
Explanation:
Unlike bacterial infections, there are not a lot of cures for those caused by viruses. Antibiotics do not fight viruses, only bacteria. Some antiviral medications treat illnesses like hepatitis C. There are also …
Unlike bacterial infections, populations of pathogenic viruses do not evolve resistance to antiviral drugs is false.
What is antiviral drug?Antiviral drug is defined as a target a variety of viruses, including the influenza, hepatitis, and herpes viruses. Antiviral drugs fall under a specific category of drugs that are used to treat viral infections. They work by eradicating or stopping the spread of viruses. Treatments for the majority of viral illnesses only provide temporary relief from symptoms while you wait for your immune system to eradicate the virus. Antibiotics cannot be used to treat viral infections.
The bacteria reproduce quickly and exhibit significant genetic variety. Carotenoids are a class of chemicals that give many animals their color, including pea aphids, their hue. Antibiotic misuse, overuse, and ineffective infection prevention and control all contribute to the acceleration of antibiotic resistance.
Thus, unlike bacterial infections, populations of pathogenic viruses do not evolve resistance to antiviral drugs is false.
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Your question is incomplete but probably your complete question was
unlike bacterial infections, populations of pathogenic viruses do not evolve resistance to antiviral drugs.
Identify weather it is true or false.
An experiment consists of drawing two balls out of an urn with replacement. The urn has 1 red ball, 1 white ball, and 1 blue ball. How many possible outcomes have one white ball?
Answers
Align all of these terms of the nervous system into a tree that correctly integrates them all. Then, briefly define each one.
Central, Parasympthetic, Autonomic, peripheral, Brain, Somatic, Spinal Cord, Sympathetic, Nervous system
Answers
The nervous system can be categorized into two main branches: the central nervous system and the peripheral nervous system.
The central nervous system includes the brain and the spinal cord. The peripheral nervous system includes the autonomic nervous system and the somatic nervous system. The autonomic nervous system can be further divided into the sympathetic and parasympathetic nervous systems.
Brief definitions:
- Central nervous system: The part of the nervous system that consists of the brain and the spinal cord.
- Peripheral nervous system: The part of the nervous system that includes all the nerves outside of the brain and spinal cord.
- Autonomic nervous system: The part of the nervous system that controls involuntary bodily functions, such as heart rate and digestion.
- Sympathetic nervous system: The part of the autonomic nervous system that prepares the body for fight or flight responses.
- Parasympathetic nervous system: The part of the autonomic nervous system that helps the body relax and recover from stress.
- Somatic nervous system: The part of the peripheral nervous system that controls voluntary movements and sensory input from the body.
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Quick Question!
If the diploid number of an organism is 36, how many chromosomes are found in a gamete?
-:-:-
Answers
Answer:
18
Explanation:
gametes only contain one half of a full genome (genetic makeup) so 36/2 is 18
This excerpt is taken from a speech delivered in 1775 at the Second Virginia Convention, in which Patrick Henry urged the American colonists to fight for independence from the British.
I have but one lamp by which my feet are guided, and that is the lamp of experience. I know of no way of judging the future but by the past, and judging by the past, I wish to know what there has been in the conduct of the British ministry for the last ten years to justify those hopes with which gentlemen have been pleased to comfort themselves and the House. Is it that insidious smile with which our petition has been lately received? Trust it not, sir, for it will prove a snare to your feet. Suffer not yourselves to be betrayed with a kiss, but ask yourselves how this gracious reception of our petition agrees with those warlike preparations which cover our waters and darken our land.
I ask, sir, what means this martial array, if its purpose be not to force us to submission? Can gentlemen assign any other possible motive for it? Has Great Britain any enemy, in this quarter of the world, to call for all this accumulation of navies and armies? No, sir, she has none. They are meant for us: they can be meant for no other. They are sent over to bind and rivet upon us those chains which the British ministry have been so long forging.
Let us not, I beseech you, sir, deceive ourselves. Sir, we have done everything that could be done to avert the storm which is now coming on. We have petitioned; we have debated; we have appealed; we have submitted ourselves before the throne and have begged for its intervention to arrest the tyrannical hands of the ministry and Parliament. Our petitions have been slighted; our debates have produced additional disagreements and insults; our submissions have been disregarded; and we have been spurned, with contempt, from the foot of the throne! In vain, after these things, may we indulge the fond hope of peace and reconciliation. There is no longer any room for hope. If we wish to be free—if we mean to preserve inviolate those inestimable privileges for which we have been so long contending—if we mean not basely to abandon the noble struggle in which we have been so long engaged, and which we have pledged ourselves never to abandon until the glorious object of our contest shall be obtained—we must fight! I repeat it, sir, we must fight!
3
Select the correct answer.
How does the author's use of the word "throne" inform the reader?
A.
It emphasizes the rich, time-honored traditions of the British monarchy.
B.
It implies that the British monarchy commands respect from its subjects.
C.
It represents the rigid authority that Great Britain maintains over the colonies.
D.
It suggests that Great Britain is too civilized to go to war with the colonies.
Answers
A. It emphasizes the rich, time-honored traditions of the British monarchy does the author's use of the word "throne" inform the reader.
What was Patrick Henry's speech to the Second Virginia Convention summarised as?Patrick Henry delivered this statement on March 23, 1775, in protest to intervention from the Royal Fleet that Lord Dunmore, the King's designated governor, had sent in. Mr. Henry was arguing that the Virginia colony needed to form a militia to protect its right to freedom.
In his "Speech at the Virginia Convention," Patrick Henry uses the rhetorical devices of reference and repetition to argue that the colonists should feel that fighting for their independence and rights is vital and that they should do so as soon as feasible.
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How do diuretics and vasopressin receptor antagonists help counteract the effects of hyponatremia
Answers
Answer:
Vasopressin causes vasoconstriction and increases reabsorption of water by the kidneys. V1A receptors regulate blood pressure and V2 receptors have an effect on renal function.
please help!! i’ll mark brainliest
Answers
Answer:
See if that helps, im pretty sure it increases :)
Explanation:
The rate of photosynthesis does not increase with higher temperatures for all plants. Plants which grow in colder climates have an optimum rate of photosynthesis at low temperatures. Therefore different types of plants have optimum temperatures for photosynthesis.
PLSS HELPP! I WILL BE GIVING BRAINLIEST:)
Answers
Answer:
Hello! your answer is the very last option at the bottom!
Answer:
The Last One
Explanation:
Each supporting strand of a block and tackle increases the effort force by ___________.
4
2
3
1
Answers
Answer: 1
Each supporting strand of a block and tackle increases the input force by one-half. A single fixed pulley changes the effort force in direction. The IMA of the wheel can be increased by increasing the size of the wheel. The IMA of the wheel can be increased by decreasing the size of the axle.
Explanation:
please brain list. If I´m wrong. well sorry
Give 2 reasons why children from the same family won't look alike
Answers
Answer:
One might carry more genes from the father and the other might carry more genes from the mother. Also, the children may carry the genes of their grandparents and stuff like that.
Explanation:
Hope this helps
A red bloom cell has diameter of 0.008mm. a model of the red blood cell has a diameter of 80mm. What is the scale of the model
Answers
Scale of the model: 1:10,000. To find the scale of the model, we need to compare the size of the model to the actual size of the red blood cell. Given that the diameter of the red blood cell is 0.008mm and the diameter of the model is 80mm, we can calculate the scale by dividing the diameter of the model by the diameter of the actual cell.
Scale = Model diameter / Actual cell diameter
Substituting the given values:
Scale = 80mm / 0.008mm
Simplifying the expression:
Scale = 10,000
Therefore, the scale of the model is 1:10,000.
1. Identify the diameter of the red blood cell: 0.008mm.
2. Identify the diameter of the model: 80mm.
3. Use the formula Scale = Model diameter / Actual cell diameter.
4. Substitute the values into the formula: Scale = 80mm / 0.008mm.
5. Simplify the expression to find the scale: Scale = 10,000.
6. The scale of the model is 1:10,000, indicating that the model is 10,000 times larger than the actual red blood cell.
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Do dead tree release carbon dioxide through cellular respiration
Answers
Absolutely, during cellular respiration, trees can emit carbon dioxide.
Cellular respiration is the mechanism through which living creatures, including trees, produce energy. A consequence of this process is the production of carbon dioxide as oxygen and glucose are digested to produce ATP, or energy.
By photosynthesis, trees take up carbon dioxide from the atmosphere and utilise it to make glucose. The glucose is broken down and carbon dioxide is released back into the atmosphere during cellular respiration. The environment's carbon dioxide and oxygen levels are balanced thanks to this mechanism.
In addition, a consequence of photosynthesis in trees is the release of oxygen. Some creatures utilise this oxygen later on for their own cellular respiration. Thus, trees are crucial in controlling the carbon cycle.
Complete Question:
Do trees release carbon dioxide during cellular respiration?
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Why do some researchers prefer to use embryonic stem cell in medical research?
A. There is no controversy surrounding the use of embryonic stem calls
B. The use of embryonic stem cell is much less expensive than the use of adult stem cells
C. No living tissue is damaged when scientists use embryonic stem cells
D. Embryonic stem cells are able to differentiate into a wider range of call than adult stem cells
Answers
Answer:
Cell therapies would use stem cells, or cells grown from stem cells, to replace or rejuvenate damaged tissue. Scientists also want to use stem cells to understand disease and find drugs that might treat it. Embryonic stem cells could be used to make more specialized tissues that have been lost to disease and injury
The researchers prefer to use embryonic stem cell in medical research as Embryonic stem cells are able to differentiate into a wider range of call than adult stem cells.
What are the functions of embryonic stem cells?A blastocyst, an early-stage pre-implantation embryo, is the source of embryonic stem cells, which are pluripotent stem cells. Four to five days after fertilization, human embryos reach the blastocyst stage.
The human blastocyst, an early stage of the developing embryo that lasts from the fourth to seventh day after fertilization, contains embryonic stem cells (ESCs) in its inner cell mass. In typical undeveloped turn of events, they vanish after the seventh day.
The ability to differentiate into cell types belonging to the three germ layers (ectoderm, endoderm, and mesoderm) is what is meant by the term "pluripotent." the three distinct types of tissue that are present during embryonic development and later combine to form the adult.
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The graphs above show a change in distribution of beak phenotypes X, Y, and Z over 10 generations. Notice that Beak X completely disappears from the population by Generation 5, but reappears by Generation 10. Could this occur in nature? How?
Answers
A, Yes, the alleles for Beak X could remain in the population as a recessive gene.
What is the rationale behind it?Recessive genes. The alleles for beak X could remain in the population as recessive genes. This means that birds with beak X would still be able to pass on the genes for beak X to their offspring, even if they themselves did not have beak X. If two birds with the recessive gene for beak X mated, their offspring would have a 25% chance of having beak X.
Mutation. The birds could mutate their beaks in response to a change in the environment. This could lead to the appearance of beak X, even if the gene for beak X was not present in the population before.
Random chance. Genetic mutation is so frequent that it is possible for beak X to reappear randomly by generation 10. This is especially likely if the environment is changing and there is a selective advantage for birds with beak X.
In conclusion, it is possible for beak X to reappear after 5 generations in nature. This could happen through the inheritance of recessive genes, mutation, or random chance.
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Complete question:
The graphs above show a change in distribution of beak phenotype X, Y, and Z over 10 generations. Notice that Beak X completely disappears from the population by Generation 5, but reappears by Generation 10. Could this occur in nature? How?
Yes, the alleles for Beak X could remain in the population as a recessive gene.
Yes, the birds could mutate their beaks in response to a change in the environment.
Yes, genetic mutation is so frequent that Beak X will likely reappear randomly by Generation 10.
No, once birds with Beak X are extinct, they cannot appear again.
This mineral makes bone one of the hardest substances in the body and gives bone its strength and ability to resist compression, which allows it to perform its function of support and protection. This is called Osteoid Hydroxyapatite crystals Osteocytes All the above
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The osteoid hydroxyapatite crystals hydroxyapatite crystals Bones are one of the strongest components of the body, with the ability to withstand forces such as compression, tension, and torsion. These forces are distributed through the bones by their structure, which includes organic and inorganic components.
Osteoid is a protein-rich organic material that gives bones their elasticity and flexibility. Hydroxyapatite crystals are inorganic compounds that make bone one of the hardest substances in the body and give it the ability to resist compression, which allows it to perform its function of support and protection. The osteocytes are bone cells that make up the majority of bone tissue.
They are responsible for maintaining the structure of the bone, repairing it when it is damaged, and regulating bone growth and density. They are also involved in the mineralization process that leads to the formation of osteoid and hydroxyapatite crystals. All of the above are related to bone structure and function, but the specific component that makes bone one of the hardest substances in the body is osteoid hydroxyapatite crystals.
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Within the Phylum Platyhelminthes, what does it mean to be bilateral?A. to have symmetry on your body from side to sideB. to have 2 of each appendageC. to have multiple layers of body tissuesD. to have 2 step in your life cycle
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Platyhelminthes present a body that can be divided into two, drawing a line from the head to the tail right in the middle of it, as the following image shows:
In eukaryotes, the Krebs cycle takes place within the