A level Biology - Control of gene expression

A level Biology - Control of gene expression

11th Grade

16 Qs

quiz-placeholder

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A level Biology - Control of gene expression

A level Biology - Control of gene expression

Assessment

Quiz

Science, Biology

11th Grade

Practice Problem

Hard

Created by

Ruth Unitt

Used 19+ times

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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The structural genes and control regions involved in the control of lactose metabolism

Lactose operator

Lac operator

Lac operon

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The repressor protein binds to the operator region when.....

Lactose is present

lactose is not present

Glucose and lactose are present

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Within the operon, RNA polymerase binds to.......

The regulatory gene

The operator region

The promoter region

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The channel protein that facilitates the diffusion of lactose is.......

L galactosidase

Lactose permease

Lactose diffusase

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An enzyme that breaks down lactose is called

B galactosidase

L galactosidase

B lactosidase

L lactosidase

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lactose is broken down into ......

Glucose and ribose

Galactose and fructose

glucose and fructose

Glucose and galactose

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Genes that code for proteins involved in the control of transcription

Regulatory genes

Structural genes

Transcription genes

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