The cell membrane allows gases and nutrients in and out of the cell.
The correct answer is option D, the cell membrane. The cell membrane, also known as the plasma membrane, is a vital component of all cells. It serves as a selectively permeable barrier that separates the internal environment of the cell from its external surroundings. One of its crucial functions is to regulate the movement of substances in and out of the cell, including gases and nutrients.
The cell membrane is made up of a phospholipid bilayer embedded with various proteins. These proteins play a role in facilitating the transport of molecules across the membrane. There are two main types of transport across the cell membrane:
Passive Transport: This includes processes like diffusion and facilitated diffusion, where substances move from an area of higher concentration to an area of lower concentration. Small gases like oxygen and carbon dioxide can passively diffuse through the lipid bilayer of the membrane.
Active Transport: This involves the use of energy to move substances against their concentration gradient, from an area of lower concentration to an area of higher concentration. Nutrients and other molecules can be actively transported using protein pumps.
In both cases, the cell membrane is responsible for controlling what enters and exits the cell, maintaining an appropriate internal environment for cellular functions. This selective permeability ensures that essential gases like oxygen and nutrients can enter the cell while waste products can exit. Thus, the cell membrane is a crucial structure that enables the exchange of gases and nutrients required for cellular metabolism and survival.
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how to report an account that keeps posting these links in our answers?
When they answer the questions, there is a flag that appears, if you click on it, you can flag the answer and it reports them.
Question 1) Discuss how compounds in different types of organisms can be used to benefit people? ( Will Mark Brainliest).
Answer:
Compounds from different organisms are being used widely bu humans for their benefits. Some of the compounds are used as drugs. For example, penicillin is used as a drug or antibiotic. There are many plants which provides humans with other types of medicines and herbal remedies. There are other compounds which are used for cancer treatment. For example, taxol is a compound obtained from trees which are being used as anticancer drugs.
Explanation:
Is grass a living thing
why yes it is
my proof : Plants are living because they grow, take in nutrients and reproduce. Trees, bushes, a cactus, flowers and grass are examples of plants. Plants are also living things. Plants are living because they grow, take in nutrients and reproduce.
what do the letters stand for please help me thank you
Answer:
D
Explanation:
Prophase
Metaphase
Anaphase
Telophase
These are stages in mitosis.
elect the correct statement regarding the lungs. Select one: a. The left lung is larger than the right lung. b. Only the right lung has a hilum. c. The left lung contains three lobes while the right lung contains two lobes. d. The left lung has more bronchopulmonary segments than the right lung. e. The left lung contains two lobes while the right lung contains three lobes.
Answer:
The right lung is smaller than the right to make room for the heart.
Explanation:
so the answer is A :)
The left lung contains two lobes while the right lung contains three lobes. Therefore option E is correct.
The statement that the left lung contains two lobes while the right lung contains three lobes is correct.
The right lung is divided into three lobes: the upper lobe, middle lobe, and lower lobe. On the other hand, the left lung is divided into two lobes: the upper lobe and lower lobe.
This anatomical difference is due to the position of the heart, which is located more towards the left side of the chest. The presence of an additional lobe in the right lung allows for a better fit around the heart.
Understanding the lobes of the lungs is important in assessing and diagnosing respiratory conditions and in surgical procedures that involve lung resection or transplantation.
Therefore option E The left lung contains two lobes while the right lung contains three lobes is correct.
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Convert 63°F to degrees Celsius.
If necessary, round your answer to the nearest tenth of a degree.
Here are the formulas.
5
9
9
F=-C+32
5
c=E(F-32)
+
Answer:
C = 5/9(F - 32)
C = 35
35 = 5/9(F-32)
35 * 9/5 = (F-32)
(F-32) = 63
F = 63 + 32 = 95
Answer quick please
Answer:
Area 4
Explanation:
Im pretty sure
mark brainliest if correct pls
What happens during a penumbral lunar eclipse?
Answer: A penumbral lunar eclipse occurs when the Sun, Earth, and the Moon are imperfectly aligned.
Explanation: During this occurance the Earth comes between the Sun and moon and blocks the sunlight from falling on the moon.
After surgery to repair burst fractures of his C6 and C7 vertebrae, Luke was transferred to the surgical intensive care unit. Which of the following healthcare professionals would most likely provide, coordinate, and implement Luke's care; administer medications; assess/monitor his status; and educate/support Luke and his family about his injury and care?
Answer:
A neurologist specializes on spinal injuries so he/she would be treating Luke.
Where does carbon dioxide enter aplant
Answer:
through its leaves.
Explanation:
Viruses can not grow in nutrient media. Why ?
Answer:
Viruses are obligate intracellular parasites and cannot grow on inanimate media. They need living cells for replication, which can be provided by inoculation in live animals among other methods used to culture viruses (cell culture or inoculation of embryonated eggs).
Psychologists have long determined that intelligence tests contain cultural items that depend on language in assessments. To support various cultural backgrounds and minimize bias they created which types of tests?
Answer: Cultural fair IQ tests
Explanation: A culture-fair test is test designed to be free of cultural bias, as far as possible, so that no one culture has an advantage over another. The test is designed to not be influenced by verbal ability, cultural climate, or educational level.
Psychologists have created Culture fair test that is free from cultural biases and based on logic.
Culture fair test:
These are the IQ test that based on pure logical reasoning and free from the cultural and language biases.
They are Pictorial hence, very entertaining.The question in the Culture fair test are ordered in increased difficulty level.Therefore, Psychologists have created Culture fair test that is free from cultural biases and based on logic.
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Which statement is true about the energy level of solids?
A.) Solids have more energy than water
B.) Solids have more energy than plasma
C.) Solids have the most amount of energy
D.) Solids have the least amount of energy
Answer:
The answer is D.) Solids have the least amount of energy
Explanation:
Because in a solid, particles are packed tightly together so they don't move much. The electrons of each atom are constantly in motion, so the atoms have a small vibration, but they are fixed in their position. Because of this, particles in a solid have very low kinetic energy.
Mention the non-living and living characteristics of viruses?
Explanation:
The Living Characteristics of Viruses are: 1 – They reproduce at a fast rate, only in living host cells. The Non - Living Characteristics of Viruses are: 1 – They are not cells, contain no cytoplasm or cellular organelles.
5. member of the group that includes
dogs, wolves, and foxes
Canines, also called canids, include foxes, wolves, jackals, and other members of the dog family (Canidae). They are found throughout the world and tend to be slender long-legged animals with long muzzles, bushy tails, and erect pointed ears. This is a list of canines ordered alphabetically by genus.
I really need this question answered
Answer:
i don't know how i do ???????????????????
The diagram shows the reproductive system of a plant.
Which of the following best describes the interaction that occurs between a plant's reproductive parts during self-fertilization?
The diagram shows the reproductive system of a plant.
Which of the following best describes the interaction that occurs between a plant's reproductive parts during self-fertilization?
Pollen is released from the stigma and is transferred to the anther. A pollen tube grows down from the anther through the filament and fuses with the ovule, where the sperm fertilizes the egg.
Pollen moves from the ovule up through the style and is released from the stigma. The pollen is transferred to the anther, where the sperm fertilizes the egg.
Pollen is released from the anther and is transferred to the stigma. A pollen tube forms and grows through the style. The pollen tube reaches an ovule within the ovary where the sperm fertilizes the egg.
The correct answer is pollen is released from the anther and is transferred to the stigma. A pollen tube forms and grows through the style. The pollen tube reaches an ovule within the ovary where the sperm fertilizes the egg.
This option correctly defines the interaction that occurs between a plant's reproductive parts during self-fertilization as it explains the pollination process and fertilization, when pollen grains are released then are transferred to the stigma the pollen tube is there that reaches ovule and the sperms fertilize an egg.
What is pollination?
Transfer of pollen from anther to the stigma of plants. Pollen is released from the anther and is transferred to the stigma. A pollen tube forms and grows through the style. The pollen tube reaches an ovule within the ovary where the sperm fertilizes the egg.
Thus it is clear that the answer explained above is correct describes the interaction that occurs between a plant's reproductive parts during self-fertilization.
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Body Cells have ____ the number of chromosomes as sex cells
A. One-Half
B. Twice
C. Four Times
D. One-Fourth
Answer: A.One-Half
Explanation:
Sex cells are egg cell and sperm. These sex cells have half the number of chromosomes than the actual chromosomes. The number of chromosomes in a human body is 46. Half will be 23.
Hoped this helped you! :)
Which of the following best describes the cellular location where pyruvate dehydrogenase is most likely active?
(A) The cytosol
(B) The lysosomes
(C) The nucleus
(D) The mitochondrial matrix
The organelle where cellular respiration where pyruvate dehydrogenase is most likely active is; Choice D: The mitochondrial matrix.
Discussion:
In eukaryotes, the pyruvate dehydrogenase complex, like the enzymes for citric acid cycle and oxidation of fatty acids, is located in the mitochondrial complex, where is associated with the surface of the inner membrane facing the matrix.
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The graph below shows the number of viable bald eagle nests along a
25-mile long section of the Mississippi River between Wisconsin and
Minnesota. IF EACH BALD EAGLE NEST ACCOUNTED FOR A BREEDING
PAIR, what is the probable carrying capacity of this environment? *
The carrying capacity of this environment is 225 from the graph shown.
An ecosystem is a self supporting unit in which materials and energy are exchanged. The carrying capacity of an ecosystem refers to the maximum number of species that the ecosystem can effectively sustain without breaking down.
From the graph, we can see that the population of species continues to increase until the number reaches 225. This is the carrying capacity of this environment.
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please help me on this its due in class
instructions: I need 5 pros/cons and it needs to be about bringing the woolly mammoth back to life
Answer:
Pros:
You can get more scientific knowledge of the mammothYou will be able to clone the mammoth easierHelping the environmentIt will help protect species that are close to extinction(can't think of anything else, sorry )Cons:
Different environmentCould go wrong and become an alienCould carry retroviruses which can harm humansMight CHANGE the environment for the worseIt might cause more species to go extinctWhich statements accurately describe atoms? Check all that apply.
1.Atoms cannot be divided.
4.Atoms were named in the fifth century BCE.
5.Atoms are the smallest unit of matter.
Answer:
5
Explanation:
5.Atoms are the smallest unit of matter.
Answer:
atoms are the smallest unit of matter
Explanation:
atoms CAN be divided into 2 halfs and ther were names AFTER bce
Pls help with this biology question
Tapeworms can reproduce by _____.
Answer:
There you go! they explained it better than I could. hopefully that helps you, for more information you could simply look up an article.
describe the mechanism of blood sugar regulation (20 marks)
Insulin helps the cells absorb glucose, reducing blood sugar and providing the cells with glucose for energy. When blood sugar levels are too low, the pancreas releases glucagon. Glucagon instructs the liver to release stored glucose, which causes blood sugar to rise.
The pancreas releases glucagon when glucose levels fall too low. Glucagon causes the liver to convert stored glycogen into glucose, which is released into the bloodstream. High BG levels stimulate the release of insulin. Insulin allows glucose to be taken up and used by insulin-dependent tissues, such as muscle cells.p
Answer:
Insulin helps the cells absorb glucose, reducing blood sugar and providing the cells with glucose for energy. When blood sugar levels are too low, the pancreas releases glucagon. Glucagon instructs the liver to release stored glucose, which causes blood sugar to rise.
The pancreas releases glucagon when glucose levels fall too low. Glucagon causes the liver to convert stored glycogen into glucose, which is released into the bloodstream. High BG levels stimulate the release of insulin. Insulin allows glucose to be taken up and used by insulin-dependent tissues, such as muscle cells.
whats released during cellular respiration
Answer:
During cellular respiration, glucose is broken down in the presence of oxygen to produce carbon dioxide and water. Energy released during the reaction is captured by the energy-carrying molecule ATP (adenosine triphosphate).
normal body temperature
Answer:
98.6 is the normal body temperature
Answer:
Normal body temperature:
Normal human body temperature range is typically stated as 37 degrees Celsius.d. What do you like to do in the rain?
Differences between bacteria and plants
Answer:
Main Difference – Plant Cell vs Bacterial Cell
Explanation:
The plant cell is a eukaryotic cell whereas the bacterial cell is a prokaryotic cell. The main difference between plant cell and bacterial cell is that plant cell contains membrane-bound organelles whereas bacterial cell lacks membrane-bound organelles.
Answer..
You advise your pregnant friend to give her cat away becauseA. She could contract plague.B. She could give the cat tularemia.C. She could get toxoplasmosis.D. She could get listeriosis.E. You do not like cats and want to see your friend without one.Reset Selection
Answer:
c. she could get toxoplasmosis
Explanation:
she would be exposed to cat litter; cat litter usually carries those parasites that cause toxoplasmosis.
