WorksheetsDNA Structure and Replication
Total questions: 14
Worksheet time: 14mins
What is the basic structure of DNA?
single strand
triple helix
square shape
double helix
If a DNA strand has 35% A, what percent T would be present?
25%
35%
15%
20%
What is the base pair rules?
A goes with T, C goes with G
A goes with G, C goes with T
A goes with C, G goes with T
A goes with U, C goes with G
Which nucleotide pairs with adenine in DNA?
cytosine
guanine
thymine
uracil
What is the process of DNA replication?
DNA replication is the process by which a double-stranded RNA molecule is copied to produce two identical RNA molecules.
DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules.
DNA replication is the process by which RNA is copied to produce two identical RNA molecules.
DNA replication is the process by which a single-stranded DNA molecule is copied to produce two identical DNA molecules.
What is the role of DNA polymerase in replication?
DNA polymerase helps in the formation of RNA during replication.
DNA polymerase unzips the DNA strands
DNA polymerase breaks down the existing DNA strands during replication.
DNA polymerase adds in the new bases following the base pair rules
What is meant by semi-conservative replication?
Each new DNA molecule consists of one original strand and one strand from another DNA molecule.
Each new DNA molecule consists of two newly synthesized strands.
Each new DNA molecule consists of two original strands.
Each new DNA molecule consists of one original strand and one newly synthesized strand.
Which enzyme unwinds the DNA double helix during replication?
ligase
topoisomerase
polymerase
helicase
What was Rosalind Franklin's contribution to the discovery of DNA?
She built the first 3D model of DNA
She took the first X-Ray image of DNA
She discovered the nitrogen containing bases
She discovered the covalent bond in DNA
When during the cell cycle does DNA replicate?
Interphase
Mitosis
Prophase
Metaphase
