Answer:
<em>It is the outermost covering of a cell that separates the contents of the cell from its external environment. </em>
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<em>It only allows the entry and exit of some materials. It also prevents the movement of some. Therefore, it is also called a selectively permeable membrane.</em>
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<em>Some substances like carbon dioxide and oxygen can move across the cell membrane due to the process known as diffusion.</em>
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<em>Water also obeys the laws of diffusion. The movement of water molecules through a selectively permeable membrane is called osmosis.</em>
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1.The nucleus of a cell allows it to perform its activities
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2.The cytoplasm of a cell includes organelles, which are structures that perform the functions the cell needs to live.
3.Cells are the functional units of living organisms.
4.The amount of material a cell needs to function is determined by its nucleus.
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Answer:
In the ovaries, progesterone and estrogens are thought responsible for the release of an egg during ovulation. It is believed that if the egg is fertilized, these hormones are influential in the prevention of further egg release until the pregnancy has terminated.
Explanation:
Sorry I don’t But if I know I will send
An example of a non-specific immune response is: A. I and II only.
<h3>What is a
non-specific immune response?</h3>
A non-specific immune response can be defined as a generalized response from a living organism to pathogen infections that typically involves the use of various white blood cells, as well as plasma proteins.
<h3>The examples of
non-specific immune response.</h3>
In Biology, some examples of non-specific immune response including the following:
- White blood cells invading the area of a cut (injury) in the skin.
- An injury that triggers many cells to release histamine, thereby, causing inflammation.
- A macrophage that engulfs invading pathogen such as bacteria.
Read more on pathogens here: brainly.com/question/1008643