Biochemistry Questions and Answers Part-4

1. The Golgi complex
a) Synthesizes proteins
b) Produces ATP
c) Provides a pathway for transporting chemicals
d) Forms glycoproteins

Answer: d

2. The following points about microfilaments are true except
a) They form cytoskeleton with microtubules
b) They provide support and shape
c) They form intracellular conducting channels
d) They are involved in muscle cell contraction

Answer: c

3. Fatty acids can be transported into and out of cell membrane by
a) Active transport
b) Facilitated transport
c) Diffusion
d) Osmosis

Answer: b

4. The following substances are cell inclusions except
a) Melanin
b) Glycogen
c) Lipids
d) Centrosome

Answer: d

5. Enzymes catalyzing electron transport are present mainly in the
a) Ribosomes
b) Inner mitochondrial membrane
c) Lysosomes
d) Endoplasmic reticulum

Answer: b

6. Mature erythrocytes do not contain
a) Glycolytic enzymes
b) HMP shunt enzymes
c) Pyridine nucleotide
d) ATP

Answer: c

7. In mammalian cells rRNA is produced mainly in the
a) Endoplasmic reticulum
b) Nucleolus
c) Ribosome
d) Nucleus

Answer: b

8. Genetic information of nuclear DNA is transmitted to the site of protein synthesis by
a) rRNA
b) mRNA
c) tRNA
d) Polysomes

Answer: d

9. The power house of the cell is
a) Nucleus
b) Cell membrane
c) Mitochondria
d) Lysosomes

Answer: c

10. The digestive enzymes of cellular compounds are confined to
a) Lysosomes
b) Ribosomes
c) Peroxisomes
d) Polysomes

Answer: a