Butler Exam Questions and Answers
(100% Pass)
DNA is a
✓ nucleic acid.
............... are the monomers of nucleic acids.
✓ Nucleotides
...... is another nucleic acid.
✓ RNA
DNA is arranged in an ..................... pattern.
✓ anti-parallel
A phosphate group is attached to the ..... end and the other end is the ......
✓ 5', 3'
What does the D in DNA represent?
✓ Deoxyribose
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What does the R in RNA represent?
✓ Ribose
What are two other names for complementary base pairing?
✓ Base pair rules, Chargaff's rules
DNA coils around ........ ..........
✓ histone proteins
What are the base pair rules?
✓ A=T and G=C
What are the three things the make up nucleic acids?
✓ Sugar, phosphate, and nitrogen base
What does the prime represent?
✓ The number of carbon
Hydrogen bonds hold the ........ ........... together and covalent bonds hold the
....... and ............... ....... together.
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✓ nitrogen bases, sugar, phosphate groups
What is semi-conservative replication?
✓ The two strands of DNA that were separated remain and are used to
form the new strand of DNA. (half and half)
The second strand of DNA moves in the (same, opposite) direction as the first
strand.
✓ opposite
What does helicase do?
✓ Breaks the hydrogen bonds and splits the DNA
What is the template strand?
✓ Old strand used to make the new strand which comes together to
form new strand of DNA
What is the leading strand?
✓ The strand which is replicated first... The helicase and DNA polymerase
move in the same direction on that strand
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What is the lagging strand?
✓ The strand duplicated second... The DNA polymerase is working in the
opposite direction as the helicase
DNA is formed in what phase of the cell cycle?
✓ in the S-phase of interphase
What is the area called where helicase splits the DNA called?
✓ the replication fork
What is RNA primase?
✓ puts RNA primer onto the lagging strand
What is DNA polymerase?
✓ Reads the template strand and makes DNA
What is DNA ligase?
✓ fills in the spaces in the backbone... connects the phosphates to the
sugar with covalent bonds
Master01 | October, 2024/2025 | Latest update