Proteins are one of the three macronutrients found in the diet and important structural molecule organisms. Proteins help provide structure to cells and are the major component of enzymes that pa biological reactions. While all macronutrients share similarities, proteins are different than both care lipids in important ways. The following statements are all true regarding amino acids and proteins.

Select which statements al proteins alone and which statements are true of all proteins, carbohydrates, and fats.

The human body is able to synthesize them

Contains nitrogen in the amine group

Made according to instructions from DNA

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:

The cells of the human body synthesize proteins from the transcription and translation processes.

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)

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."