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WorksheetsDNA replecation
Total questions: 12
Worksheet time: 6mins
The picture below shows an enzyme unwinding and unzipping DNA.
What is the name of this enzyme?
DNA Helicase
DNA Ligase
DNA polyermase
RNA Polymerase
You are given the DNA strand 5'ATGCTCAGCTGA3'. What is the corresponding DNA strand?
5'UACGAGUCGACU3'
5'TACGAGTCGACT3'
3'UACGAGUCGACU5'
3'TACGAGTCGACT5'
Which is the role of DNA polymerase?
Unwinds the original DNA strand
Lays down RNA primer for new nucleotide bases.
Builds new strands by bringing in new nucleotide bases.
Remove Okazaki fragments for new nucleotides.
Which letter in the picture below depicts the leading strand in DNA replication?
A
C
B
None of the above
Which letter in the picture below depicts the lagging strand in DNA replication?
Letter A since it is copied from 5' to 3'
Letter A since it is copied from 3' to 5'
Letter B since it is copied from 3' to 5
Letter B since it is copied from 5' to 3'
Dr. Tanaka discovered a new virus. The virus has a single strand of a nucleic acid, but she does not know if it is DNA or RNA. After running tests, she concludes that it is DNA. Which of the following would lead her to that conclusion?
it contains uracil
it contains adenine
it contains thymine
it contains cytosine
Which best explains why DNA replication in the human body is significant?
it is needed for cell division
it is necessary for protein synthesis
it replaces any damaged DNA cells
it produces RNA strands
What aspect of the DNA molecule encodes hereditary information concerning an organism’s traits?
the molecular mass
the sequence of base pairs
the distribution of electrical charges
the folded three-dimensional shape
Which part of a DNA molecule represents encoded information?
phosphate
sugar
guanine
hydrogen bond
In living things, smaller substances are linked to make up larger substances. Which of the following correctly describes a larger substance made by linking smaller substances?
Nucleotides are linked to make up DNA.
Amino acids are linked to make up DNA.
Proteins are linked to make up nucleotides.
Nucleic acids are linked to make up proteins.
The partly open/partly closed area where the replication is actively happening.
Okazaki Fragments
Leading Strand
Lagging Strand
Replication Fork
