Question 37 The DNA T M increases with increasing ____________ content. % G + C

Question

Question 37

The DNA TM increases with increasing ____________ content.

% G + C

% A + G

% A + T

% A + U

% T + C

1 points

Question 38

A single strand of DNA or RNA can form a ______ when it has inverse complementary sequences.

hairpin

twist

scissor

sheath

none of the above

1 points

Question 39

__________ is the process of complementary single-strands annealing to form double-stranded DNA.

Denaturation

Renaturation

Supercoiling

Unwinding

None of the above

1 points

Question 40

Helicases are ________ proteins that use the energy of nucleoside triphosphates to unwind DNA.

movement

chaperone

isomerase

motor

none of the above

A.

% G + C

B.

% A + G

C.

% A + T

D.

% A + U

E.

% T + C

Explanation / Answer

37)The DNA TM increases with increasing ____________ content.

% G + C

.

The percentage of GC content of DNA has a significant effect on its Tm.on and DNA unwinding. The GC content (percentage of G +C) can vary considerably from one DNA to another

38)A single strand of DNA or RNA can form a ______ when it has inverse complementary sequences.

hairpin

39)__________ is the process of complementary single-strands annealing to form double-stranded DNA.

Renaturation

40)Helicases are ________ proteins that use the energy of nucleoside triphosphates to unwind DNA.

motor

A)

% G + C

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