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Paul [167]
3 years ago
8

Which macromolecule forms the foundation for the structure and activities of living cells?.

Biology
1 answer:
spin [16.1K]3 years ago
4 0

Answer:

Proteins

Explanation:

Proteins give the body structure

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Are muscles organs? (please give me a yes or no answer with an explanation, im confused ;v;)
Igoryamba
A whole skeletal muscle is considered an organ of the muscular system. From a sample response:)
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3 years ago
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Another layer of connective tissue, called the ____________ , extends inward from the epimysium and separates the muscle tissue
Lisa [10]
The layer of connective tissue, called the _perimysium_ , extends inward from the epimysium and separates the muscle tissue into small sections. these sections contain bundles of skeletal muscle fibers called _fascicles_ .
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3 years ago
Proteins are one of the three macronutrients found in the diet and important structural molecule organisms. Proteins help provid
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Answer:

The human body is able to synthesize them:  proteins, fats

Contains nitrogen in the amine group : proteins

Made according to instructions from DNA: proteins

Explanation:

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Fats and carbohidrates are ingested in the diet and metabolized by the body. However some types of fat such as cholesterol is synthesized by the human body. Same as phospholipids that are part of the membranes.

Proteins are formed by hydrogen, oxygen, nitrogen and carbon. Amino acids are characterized  for owning a carboxyl group (- COOH) and an amino group (-NH2)

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3 years ago
Suppose that a glutamine residue in the active site of an enzyme was mutated to alanine. As expected, the alanine mutant was ina
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Answer:

A to N

Explanation:

Glutamine is an amino acid with a polar, uncharged side chain. The mutation to alanine, an amino acid with a non-polar side chain, completely affects the enzymatic activity. This makes sense considering the difference in the nature of both amino acids.

To restore the wild-type level of activity the alanine would have to mutate to another polar uncharged amino acid. Among the given options, only Asparagine (N) has a similar chemistry to Glutamine.

7 0
4 years ago
In what order does protein production occur in a cell 
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Explanation:

Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. It includes three steps: initiation, elongation, and termination

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