Answers
The nuclear envelope of a cell connects most directly to the endoplasmic reticulum organelle
The endoplasmic reticulum which can either be smooth or nor be rough, and in general its function is to produce the proteins for the rest of the cell to be function. The rough endoplasmic reticulum that has on it ribosomes, which are the small, round organelles whose function it is to make those proteins The endoplasmic reticulum (ER) is also a network of the membrane-enclosed tubules and the sacs (cisternae) that extends from the the nuclear membrane throughout the cytoplasm . The entire endoplasmic reticulum was enclosed by a continuous membrane and is the largest organelle of the most eukaryotic cells.
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Related Questions
The purpose of Mendel's experiments with dihybrid crosses was to determine
whether:
A. pea plants had traits with more than two alleles.
B. pea plants produce haploid cells or diploid cells.
C. two recessive traits could be passed to offspring.
D. two traits affect the inheritance of each other.
Answers
The purpose of Mendel's experiments with dihybrid crosses was to determine whether two traits affect the inheritance of each other. Therefore, the correct answer is D. Mendel wanted to understand how different traits, controlled by separate genes, are inherited and whether they show any relationship or influence each other in the inheritance patterns. This was done by crossing pea plants that differed in two traits, such as seed color and seed texture, and observing the patterns of inheritance in the offspring.
What is the term for the moon going around the earth
Answers
Answer:
orbit
Explanation:
What happened to Yellowstone National Park when wolves disappeared?
A.The bear population increased.
B.The deer population increased.
C.The willow tree population increased.
D.The grassy areas increased.
Answers
Answer:
B. The deer population increased
Explanation:
Wolves would primarily hunt the deer, therefore if there were no wolves around then the deer were able to reproduce without the threat of wolves eating them.
Wolves wouldn't hunt bears because it is increasingly harder for them to kill bears than deer.
The wolves wouldn't really influence the environment because they are mainly carnivores.
Hope this helps!!
- Kay :)
Answer: B. The deer population increased
Explanation:
This is when a weaker animal copies stronger animals' characteristics to
warn off predators
Answers
Explanation:
Mimicry: When a weaker animal copies stronger animals' characteristics to warn off predators.
Please answer ASAP!!
Answers
Answer:
traits or features that take effect
______ are chemical messengers secreted by glands.
Exocrine glands, such as sweat glands, secrete fluids through ducts. _______ glands secrete hormones directly into the bloodstream.
The _______ gland plays an important role in puberty and growth.
Epinephrine, triggering the "fight or flight" response, is produced by the _______ glands, which sit on top of the kidneys.
Most glands that secrete hormones operate using feedback mechanisms. When hormone concentrations are high, the gland will produce ________ of the hormone.
Many cells produce chemicals called _______, hormone-like substances that impact inflammation and reproduction.
The gland that helps regulate growth, body temperature, and the level of calcium in the blood is called the _______.
Answers
In order to reach different organs and tissues throughout the body, endocrine glands release hormones (chemical messengers) into the bloodstream.
Endocrine glands secrete hormones directly into the bloodstream.Hormones are directly released into the bloodstream by endocrine glands.
The pituitary gland plays an important role in puberty and growth.The pituitary gland regulates a variety of essential bodily processes and functions, including metabolism, growth, sexual development, reproduction, blood pressure, and many others.
Epinephrine, triggering the "fight or flight" response, is produced by the adrenal glands, which sit on top of the kidneys.Corticosteroid hormones and epinephrine, which are produced and released by the adrenal glands, keep blood pressure stable and control metabolism.
LessWhen hormone concentrations are high, the gland will produce less of the hormone.
Many cells produce chemicals called steroids, hormone-like substances that impact inflammation and reproduction.Eicosanoids (such as prostaglandins and thromboxanes), steroids, and phytoestrogens are examples of compounds that can be categorized as hormones (e.g. estrogen and brassinosteroid)
The gland that helps regulate growth, body temperature, and the level of calcium in the blood are called the thyroid and parathyroid.The thyroid and parathyroid glands are situated behind the larynx, in the front of the neck (voice box). The metabolism of the body is significantly influenced by the thyroid. The balance of calcium in the body is controlled in part by the parathyroid glands.
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Answer:
Hormones
endocrine
pituitary
adrenal
less
prostaglandins
thyroid
Steroidal hormones enter the cell directly and interact with DNA inside the nucleus. These hormones change gene expression, affecting the RNA that is produced and the proteins that are translated in a cell. Nonsteroid hormones do not enter the cell. Instead, they bind to specific receptors on the outside of the cell membrane. This triggers molecules called secondary messengers, such as cAMP, to begin their work of relaying information in the cell, where other chemicals, messengers, and proteins are involved to create a cellular response.
Explanation:pf
group of students kept track of the number of
hours of screen time (time spent watching
television, using the computer, or playing video
games) they had per day. The graph shows the
average number of hours of screen time per day
for each student
Conclusion: From these data, we can conclude
that Student D never has more than 9 hours of
screen time in a day.
The above conclusion is:
O true.
false
Answers
Answer:
In this assignment on edg,
first one is G, second one is F
Explanation:
edg2020
Answer:
False
and the other part is G second one is F
Explanation:
i took the test
An organism is currently using light energy to make food. Based on what you have learned, this organism will be best classified as
Answers
Answer:
This organism is best classified as an autotroph.
Explanation:
Autotrophs can make their own food.
What type of lens is pictured below?
1. diverging lens
2. converging lens
Answers
The type of lens that is pictured above is: 1. diverging lens.
The types of lens.In Science, there are two (2) main types of lens and these include the following;
Convex or converging lens.Concave or diverging lens.What is a diverging lens?A diverging lens is sometimes referred to as a concave lens and it can be defined as a type of lens that is designed and developed to diverge rays of light from the source, in order to form a diminished (small), virtual and upright image.
In this context, we can reasonably infer and logically deduce that a diverging lens is shown in the image attached above.
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Answer:
diverging lens
Explanation
I got it right on my exam
What is the difference between specialized plant and animal cells
Answers
Answer:
plant cells:.plant cells have cell wall
.plant cells have permanent vacules
.animal cells: animal cells don't have cell wall
.animal cells don't have permanent vacules
_____ are a collection of infected hair follicles that often occur on the back of the neck, the upper back, and lateral thighs that form a mass that evolves into an erythematous, painful, edematous mass, which drains through many openings.
a. Erysipelas
b. Furuncles
c. Carbuncles
d. Boils
c. carbuncles
Answers
(c) Carbuncles are a collection of infected hair follicles that often occur on the back of the neck, the upper back, and lateral thighs that form a mass that evolves into an erythematous, painful, edematous mass, which drains through many openings.
Hair follicles are a small tube like opening or pore that inhabit the roots of the hair strand. The top two layers of the skin together form the hair follicle. Around 20 types of cells together form the hair follicle.
Erythematous refers to the redness of the skin or the mucous membrane due to the accumulation of blood in the dilated capillaries of that region. The condition can arise either due to some injury or due to infection.
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What term is used to describe the large-scale movements of ocean water? Select all that apply.
Answers
Currents is what is used to describe the large-scale movements of ocean water
What is ocean circulationThe large-scale movements of ocean water are characterized by four key phenomena: ocean currents, tides, waves, and thermohaline circulation.
Ocean currents are the directed movements of ocean water caused by factors such as wind, density differences, and the Coriolis effect due to Earth's rotation.
Tides refer to the rise and fall of sea levels driven by the gravitational forces exerted by the Moon and the Sun, and the rotation of Earth.
Waves are oscillations traveling through ocean water, triggered by elements like wind, earthquakes, or other geological activities.
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Antibodies bind complementary epitopes forming ( strong or weak) bonds that are (highly specific / somewhat specific/non - specific ).
Answers
Antibodies bind complementary epitopes forming bonds that are: highly specific.
How do antibodies bind?The binding of an antibody to its target antigen is based on the molecular shape and chemical properties of the two molecules. The antigen will have a specific 3D structure, and the antibody will have a complementary shape that allows it to recognize and bind to the antigen.
The bonds formed between the antibody and antigen are relatively strong, and they are often referred to as "lock-and-key" interactions. The strength of the bond between the antibody and antigen is important because it determines how long the antibody will remain bound to the antigen and how effective it will be at triggering an immune response.
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Describe how the placenta keeps the young alive before birth.
Answers
Answer:
Blood from the mother passes through the placenta, filtering oxygen, glucose and other nutrients to your baby via the umbilical cord. The placenta also filters out substances that could be harmful to your baby and removes carbon dioxide and waste products from your baby's blood.
Explanation:
hope this helps loll!
"How does Salva survive in A Long Walk to Water? What factors or traits allow him to survive when he otherwise would have died?"
Answers
Answer:
A. If he hadn't relied on adults or been resourceful, Salva Dut would never have survived in A Long Walk to Water. Relying on adults and being resourceful were the two factors that made it possible for Salva to survive. A Long Walk to Water by Linda Sue Park was a story of survival and success.
Salva had to leave his village because the war struck. He now must walk all day, every day to find safety. The environment challenges him by making him dehydrated and both mentally and physically hurt. “Uncle cautioned him to make the water in his gourd last as long as possible.
Explanation:
Help
Explain how cellular respiration and photosynthesis make a system together.
Answers
Answer:
cellular respiration in photosynthesis are biological processes in which matter and energy flow through the biosphere. These two processes are responsible for the exchange of oxygen and carbon dioxide between living organisms and the environment. Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a byproduct. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by-products and ATP is energy that is transformed from the process.
what is biological change ?
Answers
Answer:
Biological evolution is defined as any genetic change in a population that is inherited over several generations. These changes may be small or large, noticeable or not so noticeable.
this for Earth/Space Science B-CR
Which statement describes one aspect of an earthquake’s magnitude?
It is measured by the Mercalli scale.
It is based on the size of seismic waves.
It is not usually affected by the amount of fault movement.
It is used to determine damage caused by earthquakes.
THE ANWER IS :B THE SEC ONE
Answers
Answer:
It is based on the size of seismic waves
Explanation:
Generally, the size of an earthquake is called its magnitude.
Earthquake’s magnitude is defined as the measure of the amplitude of the seismic waves. A seismometer or seismographs are used to measure seismic waves. So, the statement describes one aspect of an earthquake’s magnitude is that Earthquake’s magnitude depends on the size of seismic waves.
Earthquake’s magnitude is measured by the Richter magnitude scale.
Hence, the correct answer is It is based on the size of seismic waves.
Answer:
It is based on the size of seismic waves.
Explanation:
Seismic wave is an elastic wave in the earth produced by an earthquake or other means used to measure the magnitude
HELP!!!!!!!!Calculating the average atomic mass from Isotope data
Answers
The relative atomic mass of the elements are as follows:
Sulfur = 32.054 amuChlorine = 35.46What is the relative atomic mass of elements?The relative atomic mass of an element is the sum of the product of the isotopic masses of the isotopes of an element and their relative abundances.
The relative atomic mass of an element is calculated as follows:
Relative atomic mass = sum of (isotopic mass * relative abundance) of all the isotopes of the element.
The relative atomic mass of sulfur is calculated below:
Relative atomic mass = (32.95 * 0.0075) + (31.972 * 0.950) + (33.967 * 0.042) + (36.01435 * 0.0002)
Relative atomic mass = 32.054 amu
The relative atomic mass of chlorine is calculated below:
Relative atomic mass = (34.97 * 0.755) + (36.97 * 0.245)
Relative atomic mass = 35.46
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Natural selection acts on populations of living things, usually through a specific trait. Which statement must be true about that trait? Responses The trait is the same for all organisms. The trait is the same for all organisms. The trait is resistant to mutations. The trait is resistant to mutations. The trait is passed on genetically to the next generation. The trait is passed on genetically to the next generation. All forms of the trait have the same impact on survival. All forms of the trait have the same impact on survival.
Answers
The statement " The trait is passed on genetically to the next generation" is true about the trait by which natural selection acts on populations of living things.
The trait can't be the same for all organisms since there are variations among all organism.Each organism is unique based on difference in genetic material even among same species.If the trait is resistant to mution then organism cant adapt to change in environment
As a result if environment change suddenly or there is a random calamity the entire population of organisms could be wiped out. So there should heritable traits susceptible to mutation or changes.
And the trait should be passed on from generation to next and if they succed of the competion among others and survive and reproduce more such traits will be selected by nature.All forms of trait cant have the same impact only those selected by nature will be more prominent.Others will have disadvantage.
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Which structure produces blood cells?
Answers
Answer:
Blood cells are produced in the bone marrow of the body more specifically they become blood cells from first being stem cells which then divide until they reach a mature red blood cell stage. ( or other types of cells, stem cells are like the blank template for either red blood cells, white blood cells, or platelettes.)
Explanation:
Homologous chromosome are paired.
Answers
Homologous chromosomes are paired because they carry the same genes in the same order, although the alleles for each trait may differ.
During meiosis, the homologous chromosomes align during prophase I and exchange genetic material through a process called crossing over, which contributes to genetic diversity.In human beings, a pair of homologous chromosomes is present in every cell, one from each parent.
In females, the two X chromosomes are homologous pairs, while in males, the X and Y chromosomes are not homologous pairs since they carry different genes. During fertilization, the homologous chromosomes from the two parents pair up, and each gamete contains only one of each homologous chromosome.
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Label the structures of the cell membrane:
please, need help ASAP
Answers
Answer:
A: Lipid B: Hydrophilic head C: Hydrophobic tail D: Globular Protein (instrinsic protein), E: Carbohydrate F: Filaments of cytoskeleton, G: Protein channel H: Lipid bilayer
Explanation:
How do ATP and NAPDH connect light-dependent and light-independent reactions in photosynthesis
Answers
ATP and NADPH serve as key molecules that connect the light-dependent and light-independent reactions in photosynthesis. They play crucial roles in transferring energy and reducing power between the two processes, ensuring the overall efficiency of photosynthesis.
1. Light-Dependent Reactions: These reactions occur in the thylakoid membranes of the chloroplasts and convert light energy into chemical energy. During this process, light energy is absorbed by chlorophyll and other pigments, leading to the generation of ATP and NADPH.
2. ATP Generation: The absorbed light energy is used to power the electron transport chain, which pumps protons across the thylakoid membrane, creating a proton gradient. The flow of protons back across the membrane through ATP synthase generates ATP from ADP and inorganic phosphate.
3. NADPH Generation: Simultaneously, the energized electrons from the electron transport chain are transferred to NADP+, reducing it to NADPH. This process requires the input of high-energy electrons and protons.
4. Light-Independent Reactions (Calvin Cycle): ATP and NADPH generated during the light-dependent reactions are utilized in the stroma of the chloroplasts to fuel the Calvin cycle. Here, carbon dioxide is fixed and converted into glucose through a series of enzymatic reactions.
5. ATP Utilization: ATP provides the necessary energy to power the various enzyme-catalyzed reactions in the Calvin cycle. It is used to drive the carboxylation of ribulose bisphosphate (RuBP), the regeneration of RuBP, and other key steps in the cycle.
6. NADPH Utilization: NADPH functions as a reducing agent in the Calvin cycle, providing the necessary high-energy electrons to convert carbon dioxide into glucose. It acts as a source of electrons in the reduction of 3-phosphoglycerate to glyceraldehyde 3-phosphate (G3P).
7. Recycling of ADP, NADP+, and Pi: As ATP is hydrolyzed to ADP and inorganic phosphate (Pi) during the Calvin cycle, ADP and Pi are regenerated in the light-dependent reactions. Similarly, NADP+ is regenerated from NADPH.
8. Continuous Cycle: The production of ATP and NADPH in the light-dependent reactions and their utilization in the light-independent reactions create a continuous cycle, ensuring the flow of energy and reducing power required for photosynthesis.
In summary, ATP and NADPH act as energy and reducing power carriers, respectively, connecting the light-dependent reactions that capture light energy with the light-independent reactions that utilize this energy to produce glucose. Their continuous generation and utilization ensure the efficiency and functionality of photosynthesis.
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What type of cells will go through mitosis
Answers
What year did the first "Earth Day" occur?
Please help
Answers
Answer:
April 22, 1970 was the 1st earth day
Answer:
in spring 1970
Explanation:
because of this one person named Gaylord Nelson
Endocrine glands make up the endocrine system, which helps the body maintain homeostasis by releasing chemical messengers called hormones. How does another body system assist the endocrine system in completing its function?The circulatory system carries and delivers hormones to target organs or tissues.The nervous system carries and delivers hormones to target organs or tissues.The reproductive system releases its own hormones, which magnify the effects of hormones from the endocrine system.The digestive system releases its own hormones, which magnify the effects of hormones from the endocrine system.
Answers
The hormones produced by endocrine glands are delivered to target organs through the circulatory system.
ANSWER: A. The circulatory system carries and delivers hormones to target organs or tissues.
Which country is one of the world's largest suppliers of uranium?
A United States
B Namibia
C Egypt
D Brazil
Answers
United States is one of the world's largest suppliers of uranium.
Thus, Uranium is as prevalent in the Earth's crust as tin, tungsten, and molybdenum, and it can be found in most rocks in quantities of 2 to 4 parts per million. Seawater contains uranium, which can be extracted from the oceans.
German chemist Martin Klaproth made the discovery of uranium in the mineral pitchblende in 1789.
In supernovae, uranium is thought to have been created about 6.6 billion years ago. Although it is uncommon in the solar system, the Earth's slow radioactive decay today serves as the primary source of heat, creating convection.
Thus, United States is one of the world's largest suppliers of uranium.
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Answer:
Namibia
Explanation:
Is enzyme activity a form of cell regulation
Answers
Enzymes can be regulated by other molecules that either increase or reduce their activity. Molecules that increase the activity of an enzyme are called activators, while molecules that decrease the activity of an enzyme are called inhibitors.
identify each of the relationship described below as Predation, Parasitism, Mutualism
or Commensalism.
Epiphytic ferns, which attach themselves to the trunks of large rainforest trees as a means of support.
Answers
Answer:
Commensalism
Explanation:
The trees are not being harmed by the ferns' attachment, but also do not gain anything from the relationship, The ferns gain a supportive, stable environment. Since one organism has a positive gain while the other has no advantage in the relationship, it is commensalism.
Commensalism is a type of relationship in which one organism benefits from the association, while the other organism is unaffected. In this case, the epiphytic ferns benefit from the support provided by the trees, while the trees are not affected by the presence of the ferns.