Gene Regulation and Expression 24

Gene Regulation and Expression 24

Assessment

Flashcard

Science

10th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the role of lactase in E. Coli?

Back

Lactase is an enzyme that E. Coli uses to digest lactose.

2.

FLASHCARD QUESTION

Front

Define gene expression.

Back

Gene expression is the process by which the instructions in DNA are converted into a functional product, typically a protein.

3.

FLASHCARD QUESTION

Front

What happens to the lac operon when lactose is present but glucose is absent?

Back

The lac operon is activated, leading to the production of lactase.

4.

FLASHCARD QUESTION

Front

What is the function of a repressor in gene regulation?

Back

A repressor inhibits gene expression by slowing down transcription.

5.

FLASHCARD QUESTION

Front

Which cells in an organism share the same DNA sequence?

Back

All cells in an organism, except for red blood cells, contain the same DNA sequence.

6.

FLASHCARD QUESTION

Front

What is the lac operon?

Back

The lac operon is a set of genes in E. Coli that are involved in the metabolism of lactose.

7.

FLASHCARD QUESTION

Front

How does glucose affect the lac operon?

Back

When glucose is present, the lac operon is repressed, preventing the production of lactase.

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