TLS Online TPP Program
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TLS Online TPP Program
#Question id: 33909
#Unit 2. Cellular Organization
What is the Lk of a 5,000 bp circular duplex DNA molecule with a nick in one strand?
TLS Online TPP Program
#Question id: 33910
#Unit 2. Cellular Organization
What is the Lk of a 5,000 bp circular duplex DNA molecule after eight enzymatic turnovers by a single molecule of DNA gyrase in the presence of ATP?
TLS Online TPP Program
#Question id: 33911
#Unit 2. Cellular Organization
What is the Lk of a 5,000 bp circular duplex DNA molecule after eight enzymatic turnovers by a single molecule of DNA gyrase in the presence of ATP followed by 8 enzymatic turnovers by a single molecule of bacterial type I topoisomerase
TLS Online TPP Program
#Question id: 33912
#Unit 2. Cellular Organization
A. When a DNA molecule is negatively supercoiled, it is underwound.
B. Any structural change involving DNA strand separation becomes more likely in negatively supercoiled DNA.
C. Negative supercoiling makes establishment of left-handed Z-DNA in a segment of DNA
D. The formation of plectonemic or solenoidal supercoils is favored as a means of negative supercoiling.
Find true and false
TLS Online TPP Program
#Question id: 33913
#Unit 2. Cellular Organization
A. Underwinding of a B-DNA helix might facilitate or stabilize the formation of Z-DNA.
B. Underwinding aids in the transition by providing a local region of unwound DNA that allows the shift to Z-DNA.
C. Overwinding of a B-DNA helix might facilitate or stabilize the formation of Z-DNA.
D. Overwinding aids in the transition by providing a local region of unwound DNA that allows the shift to Z-DNA.
What is correct combination of statements
TLS Online TPP Program
#Question id: 33981
#Unit 2. Cellular Organization
The scaffold-associated regions are separated by loops of DNA. The scaffold itself may contain several proteins such as
A. Topoisomerase
B. SMCs
C. RNA Polymerase