Preview

Mutation Review ANGIE MEJIA

Good Essays
Open Document
Open Document
484 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Mutation Review ANGIE MEJIA
ANGIE MEJIA
In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question.
1.
Gene regulation in eukaryotes causes

a. genes to be expressed differently depending on the cellular environment.
b.
genes to be expressed in every kind of environment.
c.
genes to be expressed differently depending on the number of genes that occur together. d.
None of the above.
2.

a.
b.

regulators
c.
gene animators transcription factors
d.
promoters
3.

a.
b.
c.
d.

b.
a.
b.

a.
b.
c.
d.

body cells gametes In what kinds of cells do mutations occur that can be transmitted to offspring?
c.
reproductive cells

d.
Both (b) and (c)
5.
A mutation that can moves a gene to a new location is called a(n) point mutation. c. transposon. insertion.
d.
deletion.
6.
Gene mutations that result in cancer often affect

genes that control blood clotting. genes that affect tRNA and rRNA production. genes that control cell growth and specialization.
Both (a) and (b)
7.

a.
b.

The part of a protein that is chemically active is called

the active domain. the subunit. a regulatory protein.
RNA splicing.
4.

a.

What is the name of the proteins that regulate gene expression?

Which of the following is not an example of large­scale genetic change?

nondisjunction polyploidy d.

c. crossover point mutation

Test Prep Pretest continued Complete each statement by writing the correct term or phrase in the space provided.

8.
When lactose is absent, ______________________ __________________ can bind to the promoter and transcription can occur in the lac operon.
9.
The lac operon is switched off when a protein called a(n)
______________________ is bound to the operator.
10.
In eukaryotic gene regulation, proteins called
___transcription___________________ __factors____________________ help arrange
RNA polymerases in the correct position on the promoter.
11.
In eukaryotes, the portions of a

You May Also Find These Documents Helpful