1. Cristae acts as a site for…
a)Â oxidation-reduction reactions
b) protein synthesis
c) molecules breakdown
d) none of these
2. Which organelle can be viewed by a light microscope?
a) mitochondria
b) ribosome
c) endoplasmic reticulum
d) Golgi apparatus
3. Due to the deficiency of hexosaminidase A which disease will occur?
a) albinism
b) tay-sach
c) tyrosinemia
d) none of these
4. Endoplasmic reticulum and mitochondria are involve in the regulation of ____ in the cell.
a) Ca2+ level
b) O2 level
c) Mg2+ level
d) none of these
5. In a cell the number of mitochondria depends on …
a) shape of cell
b) pH of the cell
c) functional state of cell
d) none of these
6. Deficiency of HGPRTase activity leads to …
a) addison’s ayndrome
b) caison’s syndrome
c) leasch nyhan syndrome
d) wilson’s syndrome
7. Infoldings at the inner membrane of mitochondria is named as …
a) cristae
b) grana
c) thylakoids
d) none of these
8. AGG is a …
a) termination codon
b) extension codon
c) supplement codon
d) none of these
9. Ubiquinone is a …
a) electron carrier in mitochondria
b) electron carrier in ribosome
c) electron carrier in golgi apparatus
d) none of these
10. Cytochrome oxidase is a …
a) histochemical marker
b) protein marker
c) sucrose marker
d) all of these
11. UGA is a ….
a) temp codon
b) proline
c) trytophan codon
d) all of these
12. Which genetic code show the ambiguity?
a) UGA
b) AGA
c) GAA
d) URA
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