Toxicology MSDT

BIOCHEMISTRY AND MOLECULAR GENETICS

Topic 1: Knowledge Check Answers


1. Enzymes are:
Correct answer: A. specialized proteins that accelerate a chemical reaction by serving as a biological catalyst.

2. Lipid molecules are mainly hydrophilic molecules.
Correct answer: B. False

3. 
A nucleotide consist of?
Correct answer: A. a sugar (either deoxyribose or ribose), a phosphate group, and one of the 4 nitrogen bases.

4. Which sentence is true?
Correct answer: B. RNA stands for ribonucleic acid and is composed of ribose, phosphates and the nitrogen bases  cytosine (C), guanine (G), adenine (A) and uracil (U)

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