AP Biology: Unit 5 Review
Quiz
•
Science
•
12th Grade
•
Hard
Standards-aligned
Lisa Thompson
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is true of DNA Replication?
DNA is semi conservative because it creates two new strands of old nucleotide.
New DNA strands are being synthesized in the 5' to 3' direction
DNA is being synthesized in the 3' to 5' directions from a template strand
RNA is being synthesized by RNA polymerase in the 5' to 3' direction
A sense strand is created from a nonsense strand of DNA using RNA polymerase
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Where does RNA polymerase bind to DNA?
at an activator site
on the coding gene sequence
at a promoter region
downstream of the coding sequence
Where the RNA primer is placed
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following occur during RNA processing? (more than 1 answer applies)
exons can be removed
spliceosomes remove introns
a poly-A tail and GTP cap are added
DNA helicase unzips DNA
activator sequences initiate transcription
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a similarity between the process prokaryotic and eukaryotic organisms implement for protein synthesis?
Transcription takes place in the nucleus, translation takes place in the cytoplasm
Introns are removed by spliceosomes
RNA processing adds a cap and tail to the mature RNA strand
Transcription and translation happen simultaneously
Ribosomes for phosphodiester bonds between amino acids
Tags
NGSS.HS-LS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bacterial cells that contain pGal will fluoresce blue under ultraviolet light. Which of the following is the most likely outcome of replacing the lacA gene in the E. coli lac operon with the gene encoding pGal?
When lacY and lac Z are breaking down and transporting lactose, the bacteria will fluoresce blue under ultraviolet light
lacZ will only produce the enzyme for breaking down galactose in the presence of ultraviolet light
the repressor enzyme will only be able to bind to the operator under the presence of lactose
When the regulatory gene is stimulated by lactose, it will cause the gene to fluoresce blue
All structural genes downstream from the placement of lacA will be inhibited due to this substitution mutation.
Tags
NGSS.HS-LS1-1
6.
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%
7.
MULTIPLE CHOICE QUESTION
1 min • 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.
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