Question65:-How many high-energy bonds are used in the formation of one peptide bond?
‏ا‎
‎8:-2
‎C:-3
‎D:-4
‎Correct Answer:- Option-D
Question66:-DNA polymerase III lacks following activities
A:-5 - 3' polymerase
B:-3 - 5' exonuclease
C:-5 - 3' exonuclease
D:-All of the above
Correct Answer:- Option-C
Question67:-Triskelion structure is associated with
A:-Glycophorin A
B:-Clathrin
C:-Elastases
D:-Nucleosomes
Correct Answer:- Option-B
Question68:-The size of Okazaki segments synthesized on lagging strand of bacterial DNA is approximately
A:-100 - 200 nucleotides
B:-100 - 200 base pairs
C:-1000 - 2000 nucleotides
D:-1000 - 2000 base pairs
Correct Answer:- Option-C
Question69:-Galactosemia
A:-is a genetic deficiency of a uridylyltransferase that exchanges galactose 1-phosphate for glucose on UDP-glucose
B:-results from a deficiency of an epimerase
:-is not apparent at birth but symptoms develop in later life
D:-is an inability to form galactose 1-phosphate
Correct Answer:- Option-A
Question70:-Which of the following consensus sequence is present at -35 position of a typical bacterial promoter?
A:-TTGACA
B:-TATAAT
C:-GAATTC
D:-None of the above
Correct Answer:- Option-A
Question71:-Alfred Hershey and Martha Chase during their experiment on phase DNA used following radioisotopes for
labeling
A:"43H" and *"*{15}N""
B:-"*{14}C" and *"*{131}I""
@:- "^ {32} 0" 201 ` "^ {35}5"7
‏مأ‎ "^3}1"` 810 ` "^ {60}(0"`
Correct Answer:- Option-C
Question72:-Pentaglycine chain bridges the lysine E-amino group and the D-alanine carboxylic group in the cell wall of
A:-Gram positive bacteria
B:-Gram negative bacteria
C:-Fungi
D:-Higher plants
Correct Answer:- Option-A
Question73:-Lactate to pyruvate conversion takes place in
A:-Muscle
iver
C:-Muscle and liver
D:-None of these
Correct Answer:- Option-B
Question74:-Attenuational control of gene expression occurs in
A:-Bacteria
Mitochondria
C:-Chloroplasts