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I am Lyosha [343]
2 years ago
12

What is the cell membrane made up of?

Biology
2 answers:
Musya8 [376]2 years ago
7 0

Answer:

I believe the answer is A & B.

Explanation:

If it only allows you to pick one, i suggest picking A.

bogdanovich [222]2 years ago
3 0
B-lipids I’m pretty sure it’s it. if I get you wrong o well!
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HELP!
Lynna [10]

Answer:

A. a protein

Explanation:

Proteins function as enzymes in most of the catalyzing reactions, that increases the rate of reaction within cell.

Proteins are consist of multiple numbers of amino acids and the twisting and folding amino acids provide a unique identity to enzymes. Not all the proteins are enzymes but all the enzymes are proteins.

For example: Trypsin, Pepsin, and Lipases.

Hence, the correct option is "A. a protein".

5 0
3 years ago
Please I need help with questions 27-29 and it’s very hard and I’m struggling with it and if you need to see the picture big the
svp [43]
27 is d (4)
28 is a (1)
29 is d(4)
5 0
3 years ago
Describe how a plant takes in carbon dioxide from the air and mineral ions from the soil​
Anna35 [415]

Answer:

Plants take up essential elements from the soil through their roots and from the air (mainly consisting of nitrogen and oxygen) through their leaves. Nutrient uptake in the soil is achieved by cation exchange, wherein root hairs pump hydrogen ions (H+) into the soil through proton pumps.

4 0
2 years ago
in the first half 20th century, it was not unusual for African American people to have to use different drinking fountains, lunc
Scrat [10]

Answer:

The statement is true.

Explanation:

During the first half of the 20th century, racism was extreme and constant in many countries. This racist thinking forced African American people to eat, drink, study and do everything in different places. Also, the only work they could do was housekeeping or physical work like construction.

6 0
3 years ago
3. What types of organisms are present in a healthy soil ecosystem?
lora16 [44]
Bacteria, algae, protozoa,
6 0
2 years ago
Read 2 more answers
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