D would be the correct answer
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.
Oh this is easy.
Astronomy is the branch
"Image" is an example of visual data with regard to computer crime.
<u>Explanation:</u>
An act committed by a skilled or professional user of computers, also named as hacker who secretly browses or steals private information from a company or individual's system therefore this whole process is known as "computer crime".
Image is one of the best source or evidence in the form of visual data with respect to computer crime. Because many details can be collected or fetched out just from visual figures or pictures. It can contain codes, relatable links or some factors which can be helpful for targeting culprit.