Question

17. Methanes are substituted by
1) Proteins
2) Aminoacids
3) Lipids
4) Nucleic acid​

Answer 1

Answer:

1) Proteins

2) Aminoacids

3) Lipids

4) Nucleic acid

Answer 2

Answer:

Good evening mate here's the answer-

Amino acids

3 Answers. Amino acids are substituted methanes because they contain four substituent groups, hydrogen; carboxyl group, amino group and a variable group ®; these substituents are present on the a-carbon and hence, are called a-amino acids.