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AP Unit 6 Gene Expression Test Review 2022

Authored by Victoria Allan

Biology

9th - 12th Grade

Used 3+ times

AP Unit 6 Gene Expression Test Review 2022
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100 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Operons are found in the cells of which of the following types of organisms?

prokaryotes (bacteria)
eukaryotes (plant and animals)
animals only
viruses

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the top picture the operon is

on

off

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the bottom picture the operon is

on

off

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The lac operon genes only become expressed if:

lactose binds to the repressor
glucose binds to the repressor
lactose binds to the operator
the repressor binds to the operator

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the lac operon model the genes within the operon will be expressed if:

lactose is absent in the cell
glucose is present in the cell
lactose is present in the cell

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The lac operon only starts transcribing genes if the repressor is removed (in the presence of lactose). This means it is

repressible

inducible

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The picture below shows the steps of DNA replication beginning with step one and ending with step three.


​Because you are reusing the old, or parent, DNA strand DNA replication is said to be

Semi- Conservative

Semi-discontinuous

Continuous

Fully-Conserveative

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