Questions
21
What are Singer and Nicolson known for?
Answer: Fluid-mosaic model of plasma membrane
22
Three of the following statements regarding cell organelles are correct while one is wrong. Which
one is wrong?
Answer: Lysosomes are double membraned vesicles budded off from Golgi apparatus and contain digestive enzymes
23
Which of the following organelles has a continuous connection with nuclear membrane
Answer: RER
24
SER is involved in
Answer: Phospholipid biosynthesis and detoxification reaction
26
The transport of secretory proteins takes place trough organelles in the order
Answer: RER->SER->golgi-> secretory vescicles
27
RER is involved in the synthesis of
Answer: Membrane proteins and secretory proteins
28
Extranuclear genes occurs in
Answer: mitochondria and are inherited by female
29
Some Gram -ve bacteria have peptidoglycan and an extra layer of
Answer: lipo-polysaccharide
30
Plasmodesmata connections help in
Answer: movement of substances between cells
31
Endoplasmic reticulum membrane which is associated with ribosomes is called_______
Answer: Rough endoplasmic reticulum
32
Which of the following is not the function of Glycosylation?
Answer: Synthesis of membrane lipid
33
Name the sequence which allows the resident protein to retain in ER lumen?
Answer: KDEL
34
Which of the following coated vesicle transport protein from ER to Golgi?
Answer: COP II
35
Name the coated vesicle which is used to transfer protein from plasma membrane to endosome?
Answer: Clathrin
