Ap Biology Unit 6 Gene Expression and Regulation

Quiz
•
Science
•
10th - 12th Grade
•
Hard
+3
Standards-aligned
Charles Martinez
FREE Resource
48 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cytosine makes up 38% of the nucleotides in a sample of DNA from an organism.
Approximately what percentage of the nucleotides in this sample will be thymine?
12%
24%
31%
38%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What kind of chemical bond is found between paired bases of the DNA double helix?
hydrogen
ionic
covalent
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an analysis of the nucleotide composition of DNA, which of the following will be found?
A = G and C = T
A + C = G + T
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Replication in prokaryotes differs from replication in eukaryotes for which of these reasons?
Prokaryotic chromosomes have a single origin of replication, whereas eukaryotic chromosomes have many.
Prokaryotes produce Okazaki fragments during DNA replication, but eukaryotes do not.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is meant by the description ʺantiparallelʺ regarding the strands that make up DNA?
The 5ʹ to 3ʹ direction of one strand runs counter to the 5ʹ to 3ʹ direction of the other strand.
One strand is positively charged and the other is negatively charged.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme catalyzes the elongation of a DNA strand in the 5ʹ → 3ʹ direction?
primase
DNA ligase
DNA Polymerase
helicase
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the nucleotide sequence of the newly synthesized strand during DNA replication?
the nucleotide sequence of the template strand
the primase used in the reaction
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