
Molecular Biology Concepts Assessment
Interactive Video
•
Biology, Science, Education
•
10th - 12th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the central dogma of molecular biology?
DNA to RNA to Protein
Protein to RNA to DNA
RNA to DNA to Protein
DNA to Protein to RNA
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme is responsible for unwinding the DNA strand during replication?
Primase
Helicase
Ligase
DNA Polymerase
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In DNA replication, what is the role of primase?
To join Okazaki fragments
To synthesize RNA primers
To replace RNA primers with DNA
To unwind the DNA strand
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the ribosome during translation?
To unwind DNA
To synthesize RNA
To splice introns
To synthesize polypeptides
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of mutation results in a premature stop codon?
Frameshift mutation
Nonsense mutation
Missense mutation
Silent mutation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of genetic mutation involves a segment of a chromosome being reversed end to end?
Inversion
Deletion
Translocation
Duplication
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the repressor in a repressible operon?
To degrade mRNA
To bind to the operator and inhibit transcription
To activate the operon
To bind to the promoter and initiate transcription
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