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DNA replication Quiz

Total questions: 20

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

Match he nucleotide with its complementary nucleotide. (DNA to DNA).


Adenine -

a)

Thymine

b)

Guanine

c)

Cytosine

2.

Match he nucleotide with its complementary nucleotide. (DNA to DNA).


Cytosine-

a)

Thymine

b)

Guanine

c)

Adenine

3.
Which sequence of DNA bases would pair with this partial strand
CAT TCA CTG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
4.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
5.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
6.

Phases: Which is the first step?

a)

DNA Helicase unwinds original DNA strand

b)

RNA Primase lays down RNA primer for new nucleotide bases.

c)

DNA polymerase builds new strands by bring in new nucleotide bases.

d)

Ligase knits together fragments on lagging strand

7.

Phases: Which is the second step?

a)

DNA Helicase unwinds original DNA strand

b)

RNA Primase lays down RNA primer for new nucleotide bases.

c)

DNA polymerase builds new strands by bring in new nucleotide bases.

d)

Ligase knits together fragments on lagging strand

8.
Sometimes, DNA is called "semi-conservative." Why might this be?
a)
The old strand is "conserved" and used to make the new strands
b)
Uracil is "conserved" in that it is only used to make the new strands
c)
ATP is "conserved" via the usage of facilitated diffusion
d)
Ligase is "conserved" in that it is denatured by the process
9.

Each DNA molecule created contain one NEW strand and one OLD strand

a)

True

b)

False

10.

Which of the following is a reason for DNA replication in skin cells?

a)

to produce identical daughter skin cells

b)

to enable the skin cells to make more proteins

c)

to allow the skin cells to adapt to a changing environment

d)

to ensure daughter skin cells will have higher genetic diversity

11.

For a new liver cell to form, DNA replication is necessary because it ensures that the newly formed cell has which of the following?

a)

two copies of the original cell’s DNA

b)

an identical copy of the original cell’s DNA

c)

a rearranged copy of the original cell’s DNA

d)

only the best parts of the original cell’s DNA

12.

Which nucleotides are present in DNA?

a)

A, C, G, S

b)

A, C, G, P

c)

A, C, G, T

d)

A, C, G, U

13.

What is the structure of DNA?

a)

triple helix

b)

single strand

c)

double helix

d)

square shape

14.

What is the shape of DNA?

a)

circle

b)

triangle

c)

double helix

d)

square

15.

What is the function of DNA in cells?

a)

synthesize proteins

b)

provide energy for cellular processes

c)

regulate cell division

d)

store and transmit genetic information

16.

What is the process of DNA replication?

a)

DNA replication is the process by which a single-stranded DNA molecule is copied to produce two identical DNA molecules.

b)

DNA replication is the process by which RNA is copied to produce two identical RNA molecules.

c)

DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules.

d)

DNA replication is the process by which a double-stranded RNA molecule is copied to produce two identical RNA molecules.

17.

RNA also has nitrogen base of _

a)

Guanine

b)

Uracil

c)

Thymine

18.

What does Chargaff's rule state?

a)

A pairs with T and C pairs with U

b)

A pairs with G and T pairs with C

c)

A pairs with T and C pairs with G

d)

A pairs with C and G pairs with U

19.

This image is of what?

a)

lipid

b)

nucleotide

c)

amino acid

d)

DNA

20.

What is the macromolecule that DNA belongs to?

a)

lipid

b)

protein

c)

carbohydrate

d)

nucleic acid