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WorksheetsDNA Structure Post-Test
Total questions: 17
Worksheet time: 17mins
Adenine pairs with ______________ .
Group of answer choices
Guanine
Cytosine
Thymine
Here are the steps of replication. Which answer choice lists them in the correct order?
I. Two identical strands of DNA are formed.
II. Free-floating nucleotides in the cell match up to the divided DNA and DNA polymerase connects the bonds.
III. DNA “unzips”
II, III, I
III, II, I
I, II, III
Guanine pairs with ______________.
Group of answer choices
Cytosine
Thymine
Adenine
The structure of DNA can be described as a _________________.
Group of answer choices
Semiconservative
Antiparallel
Double helix (Twisted ladder)
Three parts of a nucleotide: sugar, phosphate, and ________________________.
Group of answer choices
Nitrogen base
Amino acid
Monosaccharide
DNA replication results in two DNA molecules.
Group of answer choices
Each one with one new strand and one original strand.
One with two new strands and the other with two original strands.
Each with two new strands.
Where do you find DNA in a eukaryotic cell?
Group of answer choices
Ribosome
Mitochondria
Nucleus
Which is the subunit of DNA and what is the function of the subunit?
Group of answer choices
Nucleotides that stores the instructions for making proteins.
Monosaccharides that will be used to provide quick energy to the cell.
Lipids that stores energy and provides padding.
What does DNA stand for?
Group of answer choices
Deoxyribose Nucleic Acid
Do No Action
Ribose Nucleic acid
Which is the correct order for the complementary DNA strand for the following:
A C G T A G
Group of answer choices
T G G A C G
G T A G A T
T G C A T C
DNA has been described as a double helix. How can you describe a double helix?
Group of answer choices
It looks like a regular ladder
It looks like a twisted ladder
It is a single-stranded twisted string
Where in the cell does DNA replication occur?
Group of answer choices
Nucleus
Mitochondria
Ribosome
Which makes up the backbone or the sides of DNA?
Group of answer choices
phosphates and nitrogen bases
sugars and phosphates
sugars and nitrogen bases
What is the first step in DNA replication?
Group of answer choices
new bases are added to each strand of DNA
genetic information is carried out to the ribosome
hydrogen bonds break and DNA unzips
Which is the correct sequence of bases that would pair with A T C G A T during DNA replication?
CGATCG
TAGCTA
UAGCUA
What is the purpose of DNA replication?
Group of answer choices
to make mRNA
to carry amino acids to the ribosome
to copy DNA for cellular division
What is formed from DNA replication?
Group of answer choices
two single-stranded DNA molecules
one double-stranded DNA molecule
two double-stranded DNA molecules
