DNA Replication
Biology
9th Grade
NGSS covered
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the percentage of DNA is made of 30% Thymine, what is the correct percentage of Guanine?
30
15
20
60
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The enzyme that unzips the DNA to prepare for replication
helicase
replicase
polymerase
synthase
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
DNA replication results in two DNA molecules,
each one with two original strands
each one with two new strands
each one with one new strand and one original strand
one with two new strands and the other with two original strands
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A scientist observes a base sequence of AGCTAGCTAGCT. Which of the following would be the complimentary strand?
TGCATGCATGCA
TCGATCGATCGA
TAGCTAGCTAGC
TTAAGGCCTTCC
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The bonds that hold the two strands of DNA together come from...
the attraction of phosphate groups
strong bonds between bases and sugars
carbon to carbon bonds in the sugar
weak hydrogen bonds between the bases
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?
ribose sugar and base
ribose sugar and phosphate group
nitrogen base and deoxyribose sugar
deoxyribose sugar and phosphate group
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is responsible for holding the two strands of the DNA double helix together?
hydrogen bonds
alleles
London dispersion forces
deoxyribose sugars
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