Gene Expression and Regulation

Quiz
•
Science
•
12th Grade
•
Hard
+1
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the name given to part of a DNA molecule that codes for a protein?
Glucose
Chromosome
Gene
Phosphate
Tags
NGSS.HS-LS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
In order for a gene to be expressed, ___ must bind to the gene's ___, a specific sequence of nucleotides at one end of the gene, thus initiating transcription.
DNA polymerase, promotor
DNA polymerase, operator
RNA polymerase, promotor
RNA polymerase, operator
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Most gene regulation happens at which step along the way?
translation
transcription
signal transduction
DNA replication
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the name of the stretch of DNA where RNA polymerase binds?
operator
promoter
enhancer
regulatory gene
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A lack of this nonprotein molecule would result in the inability of the cell to "turn off" genes:
Operon
Inducer
Promoter
Repressor
Corepressor
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a gene is activated _________ binds to the DNA at the start of the gene and moves along the DNA to create mRNA
keritanase
RNA polymerase
TAQ polymerase
catalyase
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The initial steps in gene expression are modeled. Double-stranded DNA first unwinds into two strands. Which process and product are represented in the diagrams?
Process: transcription; product: mRNA
Process: translation; product: protein
Process: replication; product: tRNA
Process: recombination; product: polymerase
Tags
NGSS.HS-LS1-1
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