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DNA damage and repair

Authored by R Renuka

Biology, Science

University

NGSS covered

Used 276+ times

DNA damage and repair
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Any change in the sequence of DNA is...

transgenic shift
Single Genotype
Monohybrid Trait
Mutation

Tags

NGSS.HS-LS3-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct definition of excision repair?

a) Repair of a single damaged nucleotide

b) Repair of a damaged oligonucleotide

c) Removal of a single damaged nucleotide

d) Removal of a damaged oligonucleotid

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many types of excision repair systems are known?

a) 1

b) 2

c) 3

d) 4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main enzyme that plays the major role in formation of thymine dimer?

a) DNA glycosylase

b) DNA photolyase

c) DNA gyrase

d) DNA ligase

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two Thymines connected together by

X-rays

U- V light

Infra Red

Micro waves

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DNA damage may be caused by

Cellular metabolism

U- V radiation

Chemical exposure

All of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Damage caused by U V radiation results in----

Alkylation

Dimer formation

Creates linkage between opposite bases

loss of purines

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