MCQs

Question 1

What is the ER connected to

Answer 1

nuclear envelope

Question 2

What type of coat are clathrin and COPII

Answer 2

peripheral membrane proteins

Question 3

What is the function of clathrin and COPII coats

Answer 3

allow vesicles to bud

Question 4

What enzyme converts RNA to cDNA

Answer 4

reverse transcriptase

Question 5

What form do virulence genes take in the bacterial chromosome

Answer 5

extrachromosomal plasmid or pathogenicity island

Question 6

What is the regulatory element in a bacteria

Answer 6

operator

Question 7

What does the operator control

Answer 7

metabolic gene expression

Question 8

What do repressors like Lac and trp inhibit

Answer 8

RNA polymerase function

Question 9

What is part of the innate immune response

Answer 9

NK cells, interferons, complement system

Question 10

Example of incomplete dominance

Answer 10

pink flowers

Question 11

Example of co dominance

Answer 11

blood type

Question 12

What is co dominance

Answer 12

when both alleles are fully expressed

Question 13

What is incomplete dominance

Answer 13

intermediate phenotype

Question 14

What diffuses most easily across the phospholipid bilayer

Answer 14

CO2

Question 15

What is the effect of treating proteins with a detergent

Answer 15

give it a negative charge

Question 16

What is an example of ATP synthesis by substrate level phosphorylation

Answer 16

glycolysis 1,3 BP into 3-phosphoglycerate

Question 17

Give an example of regulation

Answer 17

protein phosphorylation

Question 18

What is dephosphorylation catalysed by

Answer 18

protein phosphatases