Download Questions Q1. Proteins synthesized by the rough ER are A) for

NPTEL – Biotechnology – Cell Biology
Questions
Q1. Proteins synthesized by the rough ER are
A)
for internal storage
B)
to build more membranes in the cell
C)
to digest food in lysosomes
D)
for internal regulation
E)
exported from the cell
Q2. Glycoproteins and glycolipids assembled in Golgi bodies are packaged for
distribution in
A)
cisternae
B)
lysosomes
C)
peroxisomes
D)
liposomes
E)
glyoxysomes
Q3. The rough ER is so named because it has an abundance of _______________ on
it.
A)
mitochondria
B)
lysosomes
C)
Golgi bodies
D)
ribosomes
E)
vesicles
Q4. Clusters of rRNA where ribosomes are assembled are called
A)
nuclei
B)
cisternae
C)
nucleoli
D)
Golgi complexes
E)
centrioles
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NPTEL – Biotechnology – Cell Biology
Q5. The smooth ER is especially abundant in cells that synthesize extensive amounts
of
A)
toxins
B)
proteins
C)
enzymes
D)
lipids
E)
nucleic acids
Q6. Enzymes embedded in the membrane of the smooth ER
A)
synthesize lipids
B)
may be used for detoxification
C)
synthesize carbohydrates
D)
mostly are active only when associated with a membrane
E)
all of the above
Q7. The Golgi apparatus is involved in
A)
transporting proteins that are to be released from the cell
B)
packaging proteins into vesicles
C)
altering or modifying proteins
D)
producing lysosomes
E)
all of the above
Q8. Ribosomes are found
A)
only in the nucleus
B)
in the cytoplasm
C)
attached to the smooth endoplasmic reticulum
D)
only in eukaryotic cells
E)
both b and c
Q9. Is protein synthesis effected by the cell growth temperature?
Q10. How does protein enter the Endoplasmic reticulum?
Q11. Why is a Ribosome Important? How do ribosomes differ in prokaryotic and
eukaryotic cells?
Q12. What Diseases Affect Ribosomes?
Q13. Ribosomes ate present in mitochondria. True/False.
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Q14. How do the golgi bodies and lysosomes work together?
Q15. What is the function of smooth and rough endoplasmic reticulum?
Q16. How does the cell make golgi apparatus and endoplasmic reticulum?
Q17. What is the structure and function of a lysosome?
Q18. How do lysosomes and vesicles assist each other by working together?
Q19. Do plant cells have lysosomes?
Q20. What is endocytosis?
Q21. What happens if a cell does not produce the enzymes that lysosomes need in order
to function?
Q22. What is the role of the endoplasmic reticulum as a site of protein folding?
Further readings
Fabene PF, Bentivoglio M (October 1998). "1898–1998: Camillo Golgi and "the Golgi":
one hundred years of terminological clones". Brain Res. Bull. 47 (3): 195–8.
Lodish H, Berk A, Zipursky SL, et al. Molecular Cell Biology. 4th edition. New York:
W. H. Freeman; 2000.
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