5C: Gene expression and regulation

5C: Gene expression and regulation

11th Grade

23 Qs

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5C: Gene expression and regulation

5C: Gene expression and regulation

Assessment

Quiz

Biology

11th Grade

Hard

NGSS
HS-LS1-4, HS-LS1-1

Standards-aligned

Created by

Katie Yankovec

Used 16+ times

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23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The "on/off" switch for an operon is called the

promoter
repressor
operator
gene

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what is an operon?

a part of a ribsome
a part of a Rna
a unit made up of linked genes that code for proteins needed to do a specific task
needed for dna replication

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An operon consists of all the the following EXCEPT

operator
promoter
regulatory gene
genes of the operon

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A protein that binds to the operator and blocks the RNA polymerase

regulator
repressor
activator
corepressor

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A small molecule that binds to the repressor and makes it inactive is

corepressor
inducer
promoter
operator

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a gene does not transcribe unless turned on by activator , it is considered _____ control

positive
negative

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two types of negative control are

repressible & inducible
repressible & active
active & inactive
repressible & corepressible

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