Biology, 17.06.2020 06:57 alexvane78
Which pair of statements best describes an essential amino acid?
It is an amino acid that contains peptide bonds. An example is proline.
It is an amino acid that contains nitrogen. An example is aspartic acid.
It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.
It is an amino acid that can be produced by the body. Vitamin supplements maintain healthy levels.
Answers: 2
Biology, 22.06.2019 00:00, luffybunny
If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.
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Biology, 22.06.2019 01:30, sharondot2398
Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.
Answers: 1
Biology, 22.06.2019 04:00, juan01sebastian00
Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above
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Which pair of statements best describes an essential amino acid?
It is an amino acid that contains...
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