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sineoko [7]
3 years ago
14

What are two jobs of the cell membrane?

Biology
1 answer:
Katarina [22]3 years ago
4 0
The cell membrane is a barrier. It protects the inside from harmful bacteria outside. 
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how are amino acids similar to carbohydrates and lipids? multiple choice question. they are all the same kilocalories/gram. they
yuradex [85]

Amino acids are similar to carbohydrates and lipids as they all contain carbon, oxygen, and hydrogen.

Amino acids are the organic compounds involved in the synthesis of proteins. The basic structure of amino acids is composed of an amino group, a carboxylic group, a hydrogen atom and a variable R group all bonded with a common α-carbon atom.

Lipids are the organic molecules that consists of fats and oils. The general structure of lipid is composed of a glycerol backbone, with 2 long fatty acid chains attached to each hydroxyl group and a terminal hydroxyl group attached to phosphate group.

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3 0
1 year ago
Which statement explains endosymbiosis theory?
Sergeeva-Olga [200]
The endosymbiosis explains how eukaryotic cells may have evolved from prokaryotic cells.
4 0
3 years ago
In photosynthesis what are the starting products
Sedbober [7]
<span>The picture explains everything, but in more simpler terms. The plant uses sunlight and chemicals inside itself to create food. In this case it is glucose.</span>

5 0
3 years ago
7. When two or more species live together in a close, long-term relationship, it is called
alisha [4.7K]
7: symbiotic relationship
8: mutualism 
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8 0
3 years ago
Who discovered the monomers of nucleic acids?
Kazeer [188]

Answer:

Phoebus Levene.

Explanation:

Two types of nucleic acids are DNA and RNA. The monomers of mucleic acid contains the pentose sugar, nitrogenous bases and the phosphate group attached with the bases.

Friedrich Miescher was the first scientists who discovered the nucleic acids. He identified the nucleic acids from the bandage that contains the nuclei of white blood cells. The new compounds discovered is known as nucleic acid. But the monomers of the nucleic acids was first explained by Phoebus Levene. Different forms of nucleic acid was also postulated by Phoebus Levene.

Thus, the answer is Phoebus Levene.

4 0
3 years ago
Read 2 more answers
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