The part of the amino acid that gives the molecule its unique or characteristic chemical properties would be the R-group. Every amino acid has three main groups in it namely the amino group, carboxyl group and the R group. "R" represents different organic chain that is specific to a certain amino acid which gives different properties of the molecule.
Answer:
a and d is in woody and herbaceous stems
Explanation:
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All blood enter in the right side of the heart through two vein they are called superior vena cava also stand for SVC and the inferior vena cava also stands for SVC
The SVC collects blood from the upper half of the body and the ICC collects blood from the lower half of the body.
And also the blood leaves the SVC and IVC and enters the right atrium
