BMS 528: Exam 1/Exam2 - CH 22 - DNA Replication Questions with complete solution

BMS 528: Exam 1/Exam2 - CH 22 - DNA
Replication Questions with complete
solution
What is the difference between DNA and RNA ribose structure? - correct
answer ✔DNA- has H on 2' carbon
RNA- has OH on 2' carbon


sequence of nucleotides is what structure - correct answer ✔primary


actual sequence of nucleotides (letters) - correct answer ✔5' ACGTT 3'


DNA bases have same mol composition
A=T
G=C - correct answer ✔DNA bases have same mol composition
A=T
G=C


3D arrangements of nucleotide residues with respect to one another - correct
answer ✔secondary


Purines: - correct answer ✔Adenine and Guanine


Pyrimidines: - correct answer ✔-Cytosine
-Thymine
-Uracil

, -5-methylcytosine


How do you name the nucleosides? - correct answer ✔Adenosine
Guanosine
Cytidine
Uridine


How do you name the nucleotides? - correct answer ✔Adenosine 5'-
monophosphate (AMP)
Guanosine 5'- monophosphate (GMP)
Cytidine 5'- monophosphate (CMP)
Uridine 5'- monophosphate (UMP)


How many stacks of base pairs does it take to spiral 360 degrees? - correct
answer ✔10 bp


what creates very high stability in helix which helps hold it together - correct
answer ✔pi bonds


DNA strands are separated at regions called - correct answer ✔forks


replication of DNA begins at one or more fixed sites called - correct answer
✔replication origins


mRNA template directed biosynthesis of proteins - correct answer
✔translation


DNA template directed biosynthesis of RNA - correct answer ✔Transcription