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pantera1 [17]
3 years ago
12

Many medicines, such as digitalis and quinine, come from

Biology
1 answer:
oksano4ka [1.4K]3 years ago
6 0

plants,hope it help you



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Ew sex don’t even ask that kind of question
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What is the key difference among the 20 amino acids that are used to make proteins?
Ray Of Light [21]

Answer:

Attached R side groups

Explanation:

The proteins are one of the important biomolecules which are directly coded by the genetic material of an organism.

The proteins are composed of the amino acids which possess, an amine group, a carboxylic group and an attached side group called the R group.

It is the R group of an amino acid which determines whether the amino acid will a polar or a non-polar amino acid molecule thus it determines the properties of the amino acid in terms of chemical properties. The R side group are involved in the formation of bonds with the substrate of the environment and the tertiary structure of the proteins.

Thus, the presence of different R group is the key difference in 20 amino acids.

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3 years ago
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The primary species something regenerates off of.

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