Studying species transplants is a way that ecologists ________.

TLS Online TPP Program

#Question id: 30113

#Unit 1. Structure and Function of Biomolecules

Aspartate (Asp) is an amino acid with the structure NH2-CH(CH2-COOH)COOH. Given below are biosynthetic processes occurring in cells:

A. protein synthesis

B. de novo synthesis of inosine monophosphate and orotic acid

C. synthesis of adenosine monophosphate from inosine monophosphate

D. glutathione synthesis

Which one of the following options correctly represents all the biosynthetic process( es) wherein Asp is involved as a precursor?

TLS Online TPP Program

#Question id: 30114

#Unit 1. Structure and Function of Biomolecules

In the case of monoclonal antibody production by hybridoma technology, myeloma cells used lack the enzyme hypxanthine - guanine phosphoriboxyl transferase(HGPRT) such that fused cells can only survive when selected on hypoxanthine-aminopterinthymdine (HAT). What is the role of aminopterin in this medium?

TLS Online TPP Program

#Question id: 30115

#Unit 1. Structure and Function of Biomolecules

The antibacterial trimethoprim is an inhibitor of 

TLS Online TPP Program

#Question id: 30116

#Unit 1. Structure and Function of Biomolecules

During purine synthesis the activity of amidotransferase enzyme is inhibited by the antitumor agent, mark the correct one.

TLS Online TPP Program

#Question id: 30117

#Unit 1. Structure and Function of Biomolecules

Catabolic end product of purines is

TLS Online TPP Program

#Question id: 30118

#Unit 1. Structure and Function of Biomolecules

The following enzymes are involved in the catabolism of AMP to uric acid. The correct order of their use is:

1. A deaminase

2. A nucleoside phosphorylase

3. A nucleotidase

4. Xanthine oxidase