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lana66690 [7]
3 years ago
15

The cell membrane has many proteins embedded in it. These proteins have many different functions ranging from transport of mater

ials to cell surface identity markers. True False
Biology
1 answer:
natali 33 [55]3 years ago
5 0
True it holds everything thats in the cell membrane without damaging anything or cutting off
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Explain why it makes sense that the levels of estrogen and progesterone are low in blood of a female during menstruation
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Answer:

At the beginning of the follicular phase, the lining of the uterus (endometrium) is thick with fluids and nutrients designed to nourish an embryo. If no egg has been fertilized, estrogen and progesterone levels are low. As a result, the top layers of the endometrium are shed, and menstrual bleeding occurs.

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2 years ago
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What is the best explanation for the process of transpiration in plants?​
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Explanation:

Transpiration, plant breathing, is when plants absorbs water from the roots using the xylem and phloem and takes them to the leaves where they exit as water vapour via the stomata (tiny openings). Through transpiration plants are able to cool themselves and produce their own food using the process of photosynthesis.

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4 years ago
How long does it normally take to process one 12-ounce beer from your system?
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Once the alcohol goes into our system, an ounce of it is process for a period of one hour.

The first stop happens in the stomach where absorption through the gastric lining and bloodstream occurs. Stronger drinks are absorbed more quickly. The second stop happens in the brain where its function decreases/ is increasingly impaired as the BAC or blood alcohol content grows. The third stop will be in the heart. However, it should be noted that it does not receive any physical alcohol, but its effects on the heart are strong. Alcohol is a vasodilator which means it causes blood vessels to dilate. This indicates more blood flow through the body-- but lowers the overall blood pressure. The fourth stop will be in the kidneys where blood is filtered. The fifth stop will be in the bladder where it will excreted from the body. Lastly, the liver is where the rest of alcohol left in your system is broken down. This process is known as metabolizing. The chemical that remains after metabolization is acetaldehyde and the body gets rid it by further metabolizing it into carbon dioxide and water.

Therefore, an ounce of alcohol is processed in our body for 60 minutes or one hour.

7 0
3 years ago
Why does Antarctica recive less of the suns heat then panama
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