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Operon & BioTech Review

Authored by MARGIE CARDENAS

Biology

9th - 12th Grade

IST-2 covered

Operon & BioTech Review
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28 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following describes an operon that is inactive and becomes activated by a molecule binding to the repressor?

inducible operon

repressible operon

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The lac operon is an example of an inducible operon. Which of the following describes the process that occurs when lactose is present?

The lactose binds to the repressor which inactivates it and the repressor binds to the operator to turn translation on.

The lactose binds to the repressor which activates it and the repressor releases from the operator to turn translation on.

The lactose binds to the repressor which inactivates it and the repressor releases from the operator to turn translation on.

The lactose binds to the repressor which activates it and the repressor binds to the operator to turn translation on.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following describes the function of the operator in the operon?

site of repressor binding for on/off switch

site of RNA polymerase binding for transcription

site of promoter binding for RNA synthesis

site of inducer binding for activation of pathway

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which DNA tech separates fragments by size/charge?

Gel electrophoresis

PCR

Sequencing

Transformation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What cuts the DNA prior to running gel electrophoresis?

DNA polymerase

Helicase

Ligase

Restriction enzyme

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which suspect was at crime scene?

A

B

C

D

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a gel electrophoresis…

More numerous sizes are near the wells

Less numerous sizes are near the wells

Larger molecules are near the wells

Shorter molecules are near the wells

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