Explanation:
a rainforest plant will have a great number of large green leaves in order to capture the most amount of sunlight that is able to pass through to the lower levels in the rainforest. Also due to the humidity and low wind speed there isn't a high rate of transpiration.
whereas a desert plant where there is high temperatures, low humidity and high wind speed, plants such as cacti have torn as leaves which blocks the stomata in most cases to prevent water loss and to ward off predators, the cacti has roots that allow it to absorb water before it can evaporate
What is true for both endocytosis and exocytosis?
A) Both take substances into the cell.
B) Both release signaling molecules.
C) Both decrease the surface area of the cell membrane.
D) Both require energy.
Answer:
Both require energy.
Explanation:
Because they transport substances into and out of the cell by active transport that requires energy
To examine meiosis in ferns, you would study __________.
A
the antheridia
B
the archegonia
C
both the antheridia and the archegonia
D
both the archegonia and the sporangia
E
the sporangia
Option -E: To examine meiosis in ferns, you would study the sporangia. A sporangium is a structure in certain plants and other organisms that is charged with making and storing spores.
Spore mother cells divide within the sporangia to produce spores. The spores are produced by a type of cell division known as meiosis. A single diploid parent cell divides to produce four haploid daughter cells during meiosis. Meiosis is a type of cell division that occurs in sexually reproducing organisms and results in a reduction in the number of chromosomes in gametes.
Meiosis, also known as "reduction division," reduces the number of chromosomes to half the normal number so that when sperm and egg fuse, the baby has the correct number.
Meiosis occurs in primordial germ cells, which are distinct from the body's normal somatic cells and are designed for sexual reproduction. A germ cell goes through interphase, which is when the entire cell replicates in preparation for meiosis.
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Which of the following statements is true about membranes?
A.
Mucus membranes line cavities that have an external opening in the body,
B.
Serous membranes line internal cavities that have no external opening in the body,
C.
When a membrane is attached to an organ it is called a visceral membrane,
D. All of the above.
The true statements are all of the above. Hence, option D is correct.
What do you mean by Mucous membrane?A Mucous membrane may be defined as the epithelial tissues that involve the inner lining of the internal organs that secrete mucus. It includes the respiratory system, gut, etc.
Mucous membranes line cavities that have an external opening in the body. Serous membranes line internal cavities that have no external opening in the body, while a visceral membrane is a type of membrane that is attached to an organ.
Therefore, the correct option for this question is D, i.e. all the above.
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ahh help
what happened to the energy in a system of magnets when the magnetic force causes two magnets to move?
The energy in a system of magnets when the magnetic force causes two magnets to move from potential energy to kinetic energy.
What is energy?
Kinetic energy is the energy involved in an object's motion. Kinetic energy can be found in moving objects like a bullet, a human, and electromagnetic radiation like light.
Kinetic energy is also the force that drives the random, continuous bouncing of atoms or molecules. This is also referred to as thermal energy; the kinetic energy of atomic motion increases with increasing thermal energy and vice versa.
Temperature is the term used to describe the average thermal energy of a collection of molecules, while heat is the term used to describe the transfer of thermal energy between two objects.
Therefore, The energy in a system of magnets when the magnetic force causes two magnets to move from potential energy to kinetic energy.
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The mutation that causes the recessive condition, Tay-Sachs disease, also removes a Hind III restriction site in the gene sequence (shown below). A probe is available for this region, with the following homology: Η H Tay-Sachs mutant region -- -- HHLH Normal sequence -- - Probe Two couples are expecting a child. Each couple has their DNA and the DNA of their fetus tested to determine if their child will have Tay-Sachs. The results of a Southern blot using the probe shown in the diagram above are shown here: MI FI Child 1 M2 F2 Child 2 - - - - - - Will Child suffer from Tay-Sachs? Briefly explain your reasoning. Will Child 2 suffer from Tay-Sachs? Briefly explain your reasoning.
The results of a Southern blot using the probe shown in the diagram above (attached) are shown here: MI FI Child 1 M2 F2 Child 2. Yes, the Child suffers from Tay-Sachs. Child 2 does not suffer from Tay-Sachs.
A rare genetic illness called Tay-Sachs is inherited from one parent to the next. It results from the lack of an enzyme that aids in the breakdown of fatty compounds. In the brain and spinal cord, these fatty compounds, known as gangliosides, accumulate in toxic amounts and impair the nerve cells' ability to function.
According to the results of the southern blotting, child 1 exhibits a single band because of a gene mutation and the elimination of the Hind III region, which results in a single band. The phenotypic of child two will be normal and free of Thy-Sachs. Southern blotting data exhibits two bands, indicating the presence of a Hind III restriction site.
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Give the word equation for photosynthesis.
[2 marks]
Answer:
Carbon dioxide + Water → Glucose + oxygen
When ___________ occur(s) during DNA replication, it can lead to genetic variation after a cell divides into daughter cells.
A) Mutation(s)
B) Adaptation
C) Conjugation
D) Reproduction
Answer:
I believe it is D. Reproduction
Explanation:
Consider the following scenario:
You are a scientist observing rodents on the Galapagos Islands. You notice that the introduction of new bird of prey has limited the number of rodents.
What term best describes the factor that is limiting the number of rodents the environment can support?
A. selective pressure
B. fitness
C. food supply
D. variation
The term that best describes the factor limiting the number of rodents on the Galapagos Islands is A. selective pressure.
In this scenario, the introduction of a new bird of prey is a selective pressure that is affecting the survival of the rodents. The bird of prey is preying on the rodents, reducing their population and ultimately limiting the number of rodents the environment can support.
This is an example of natural selection, where the environment selects for certain traits or characteristics that increase an organism's chances of survival and reproduction. As a scientist, understanding the selective pressures on different species can help in predicting changes in populations and ecosystems.
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What is the activity that occurs during the movement of the plates under a volcano. 15 paragraphs pls.
The activities that occur during the movement of the plates under a volcano is the melting of the mantle which rises through the plate.
What is a Volcano?This is referred to as an opening which is present the earth's crust through and is characterized by the escape of substances such as lava, gases etc through it.
Volcanoes have plates which are found under it and experience varying degree of movement as a result of the increase in the temperature and pressure around it.
This leads to the melting of the mantle which is found in the earth crust which then rises through the plate.
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after passing through a healthy kidney urine composition is approximately
After passing through a healthy kidney, urine composition is approximately 95% water and 5% waste products such as urea, creatinine, and various ions and electrolytes. The exact composition of urine can vary depending on factors such as diet, hydration levels, and overall health status. In addition to waste products, urine may also contain trace amounts of hormones, drugs, and other substances that have been filtered from the blood. Overall, the kidneys play a crucial role in maintaining the body's fluid balance and eliminating waste products from the body. Any disruptions to this process can lead to a range of health problems, including kidney disease, urinary tract infections, and electrolyte imbalances.
After passing through a healthy kidney, urine composition is approximately as follows:
1. Water: Urine is about 95% water, which is necessary for carrying waste products out of the body.
2. Urea: Urea is a waste product resulting from the breakdown of proteins, and it accounts for roughly 2-2.5% of urine composition.
3. Chloride, Sodium, and Potassium: These electrolytes help regulate the balance of fluids in the body and contribute to approximately 1-2% of urine composition.
4. Creatinine: Creatinine, a waste product from muscle metabolism, is typically present in urine at levels of around 0.2%.
5. Other substances: Various other substances, such as uric acid, ammonium, and small amounts of proteins, hormones, and metabolites, make up the remaining 0.3-1% of urine composition.
In summary, after passing through a healthy kidney, urine composition is approximately 95% water, 2-2.5% urea, 1-2% electrolytes, 0.2% creatinine, and 0.3-1% other substances.
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How many fat Calories were converted to fatty acids when the pancreas was moved over to the right and the gallbladder was placed on the esophagus right before the pancreas?
The number of fat Calories converted to fatty acids cannot be determined based on the pancreas and gallbladder's positions relative to the esophagus.
The process of fat digestion and absorption involves the breakdown of dietary fats into fatty acids and glycerol, which is then absorbed by the small intestine. Fat Calories refer to the energy provided by fats in our diet. The gallbladder stores bile, which is produced by the liver and helps in the emulsification of fats. The pancreas produces enzymes, such as lipase, that aid in breaking down fats into fatty acids and glycerol. The esophagus is not directly involved in the digestion and absorption of fat Calories, as its primary function is to transport food from the mouth to the stomach.
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What form of matter is made from only one type of atom?
Answer:
elements
Explanation:
To extract DNA from strawberries a
was used first to break down cell membranes.
O base solution
O isopropyl
O alcohol solution
O buffer solution
imagine that a scientist is able to isolate a single, intact nerve cell from a human cadaver. how large could this cell be?
Explanation:
it could be a meter
meter is the answer
Some of the drugs used to treat cancer block mitosis. Taxol is a drug commonly used in the treatment of breast and ovarian cancers. It works by disrupting the function of microtubules and spindle fibers. Cells treated with this drug have spindle fibers that are ‘stuck’ in place, unable to pull chromosomes apart.
(1.)Which phase of mitosis would you think that Taxol would affect the most?
(2.) Why do you think it affects that phase the most?
(3.) What are some possible problems that a person taking Taxol might have?
(4.) What would be happening to the normal cells trying to perform mitosis if a person is taking Taxol? (Hint: Remember that normal cells undergo mitosis too!)
Various cancers are treated with paclitaxel. It is a chemotherapeutic medication for cancer that reduces or halts the proliferation of cancer cells.
What is the reason to use taxol in cancer treatment?Its capacity to stabilize and stop microtubule depolymerization, which results in cell cycle arrest at the G2/M phase and cell death, is the main mechanism by which Taxol works.
May be more effective because proliferating tumor cells are exposed to cytotoxic medications for a longer period of time.
Paclitaxel is used to treat a number of malignancies. It is a cancer treatment drug known as a chemotherapy that slows or stops the growth of cancer cells.
Therefore, taxol is a drug commonly used in the treatment of breast and ovarian cancers.
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luoa __________ is a life-threatening condition and is the result of the blood not flowing properly, causing the body to not have adequate blood flow. When the blood does not flow sufficiently, the cells (and internal organs) do not get the nutrients and oxygen they need, so they do not function properly, and that can cause damage to internal organs.
Answer:
shock
Explanation:
how does craving a cookie relate to diffusion
Answer:
donnow
Explanation:
Answer:
You craving that cooking would mean that the smell of the cookie enticed you had a higher concentration smell inside the cookie jar so the smell left the jar to lower condentration in open to in order to have and equilibrium in concentration smells thus leading it to your nose causing you my friend to crave that cookie.
Explanation:
Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration. The difference in the concentrations of the molecules in the two areas is called the concentration gradient.
I hoped that was clearer now
Which of the following BEST describes electrons found in an atom?
a. Electrons are the positively charged particles in an atom.
b. Electrons are larger than protons or neutrons in an atom.
c. Electrons, combined with protons, form the nucleus in an atom.
d. Electrons move quickly around the nucleus in an atom.
Answer:
I would say d. Electrons move quickly around the nucleus in an atom.
Explanation:
Which quiz score will a student most likely earn if he or
she studies for 40 minutes?
O 60%
O 70%
O'80%
O 90%
Which best describes thermal energy?
It is the difference between internal energies of two or more substances.
It is the sum of internal energies of two or more substances.
It is the portion of internal energy that can be transferred from one substance to another.
It is the portion of potential energy that can be transferred from one substance to another.
Answer:
It is the portion of internal energy that can be transferred from one substance to another
Answer:
C.) It is the portion of internal energy that can be transferred from one substance to another.
Explanation:
E D G E N U I T Y
thermal energy: the part of total internal energy that can be transferred
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A synthesis of the antibiotic natural product y-indomycinone involved the halogenation reaction shown below. The major product of the reaction is a monobrominated compound, and a significant amount of a minor, dibrominated compound is also formed.
When the double bond between carbon atoms in a molecule is broken, the alkene halogenation reaction, specifically bromination or chlorination, takes place. The halides from the opposing sides of the molecule add to nearby carbons.
A halogen atom is replaced with another substance in a process known as halogenation, where the halogen atom eventually becomes a component of the new substance or compound. In general, one or more halogens are typically added to the chemical during the halogenation reaction. The process of replacing any number of hydrogen atoms with the aforementioned group of elements is known as halogenation. The result of halogenation will have different and new properties from the original substance. Halogens are a class of elements that includes substances like iodine, chlorine, fluorine, and bromine. These components typically behave similarly, which is why they belong to the same group.
The complete question is;
A synthesis of the antibiotic natural product y-indomycinone involved the halogenation reaction shown below. The major product of the reaction is a mono brominated compound, and a significant amount of a minor, dibrominated compound is also formed. Modify the given structure to draw the major product a mono brominated compound. Lone pairs not required.
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In a healthy human, resident microorganisms would be found in all of the following areas EXCEPT the __________.
In a healthy human, resident microorganisms would be found in all of the following areas except the Bloodstream.
In a healthy human, resident microorganisms, also known as the human microbiota, are present in various areas of the body. These microorganisms, including bacteria, fungi, viruses, and other microbes, colonize different parts of the body and form complex communities known as microbiomes.
The human microbiota is commonly found in the following areas:
Skin: The skin is home to a diverse range of microorganisms, particularly in areas with high moisture and oil production. These microorganisms contribute to maintaining the skin's health and protecting against potential pathogens.
Mouth and oral cavity: The mouth harbors a rich microbial community, including bacteria and fungi. The oral microbiota plays a crucial role in oral health, such as dental plaque formation and prevention of harmful oral infections.
Gastrointestinal tract: The gastrointestinal tract, including the stomach, small intestine, and large intestine, houses a vast number of microorganisms. The gut microbiota is known to have numerous functions, including aiding in digestion, modulating the immune system, and producing essential nutrients.
Respiratory tract: The respiratory tract, including the nose, throat, and lungs, contains a diverse array of microorganisms. While the upper respiratory tract has more abundant microbiota, the lower respiratory tract is typically considered less colonized due to protective mechanisms like mucus production and coughing.
Genitourinary tract: The genitourinary tract, including the vagina in females and urethra in both males and females, also harbors a specific microbial community. The vaginal microbiota, for example, plays a critical role in maintaining vaginal health and preventing infections.
However, one area where resident microorganisms are generally absent or present in very low numbers is the bloodstream. The bloodstream is typically considered a sterile environment in a healthy individual. Any presence of microorganisms in the bloodstream, known as bacteremia or septicemia, is usually a sign of infection and can lead to severe health complications if not promptly treated.
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110 microns: smaller cell type
10 - 100 microns, targer cell type
Cell Membrane
Complex
Cytoplasm
Maior Ordre
No major
Nucleic Acid
Organelle
Simple
prokaryotic
Both
Eukaryota
m
Answer:
Cell Size. At 0.1–5.0 µm in diameter, prokaryotic cells are significantly smaller than eukaryotic cells, which have diameters ranging from 10–100 µm (Figure 2). The small size of prokaryotes allows ions and organic molecules that enter them to quickly spread to other parts of the cell.
Explanation:
Which of the following mutations would be the LEAST likely to have a harmful effect on an organism?
Which element is necessary to form a protein molecule but not a carbohydrate molecule?
Nitrogen is found in proteins but not in carbohydrates. It is present in all amino acids as it the building block of amino acids.
(by Benjemin)
Proteins function best under specific pH and temperature. This is called their optimal. Which of the following are NOT true statements? Select all that apply.
Responses
Proteins all have the same function because they have the same structure.
Proteins have different function but are all the same structure.
Proteins have different structures that lead to different functions.
Proteins can change their structures to fit the desired functions.
Answer: The first two are wrong. The unique chain/sequence of amino acid monomers that form a polypeptide monomer are what fold the protein into its UNIQUE shape. Proteins can be modified in the golgi apparatus to best suit their function.
(a level answer)
Just look at the pic
Answer:
This diagram describes the process of Translation
Explanation:
Translation - using information from mRNA to form a protein
According to the codons of mRNA,tRNA molecules with matching/complementary anticodons bring the required amino acids to the
ribosome.
The amino acids link together by peptide bonds
to form the required proteins.
Sir Isaac Newton explained.. Group of answer choices That planets move in ellipses. Why the gravitational force continuously pulls each planet towards the Sun The theory of theories. Planets orbit faster the closer they are to the Sun.
Answer:
Why the gravitational force continuously pulls each planet towards the Sun
Explanation:
According to Sir Isaac Newton's first law of motion, there is a gravitational force that acts on two objects or planets which always pull it towards the center of the orbit or sun . For example if there is a force that pull the Earth toward the sun, there must be equal and opposite force that also pull the sun towards the Earth.
It is represented by a formular.
F= GMm/r^2
how can fuel arrangement affect the behavior of a wildland fire?
The resting membrane potential is generated by:___.
a. the greater mobility of small ions.
b. diffusion of ions as a result of their concentration gradients.
c. the selectivity of the membrane to pass positive charges only.
d. repulsion of positive and negative charges.
e. all of the above.