The diagrams show the structures of two amino acids. One contains two amino $\left( { - N{H_2}} \right)$ groups,
labelled 1 and 2. The other contains two carboxylic (–COOH) groups, labelled 3 and 4.
A peptide bond is formed between the two amino acids.
Which groups form the peptide bond?

1 )
1 and 4
2 and 3
3 )
2 and 4
4 )
1 and 3
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!