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2.4 DNA Replication and Mitosis

Total questions: 14

Worksheet time: 13mins

Name
Class
Date
1.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
2.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
3.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
4.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
5.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
6.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
7.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
8.
This picture is illustrating the ____ nature of DNA.
a)
anti-parallel
b)
deoxyribosic
c)
helical
d)
radioactive
9.

Tick all that apply


DNA Replication is important because:

a)

It ensures the daughter cells function identically to the parent cell

b)

It ensures the daughter cells have the same amount of DNA as the parent cell

c)

It ensures that an mRNA transcript is made

d)

It ensures that a protein is made from an mRNA transcript

10.

DNA replication can often be described as a (a)   process because two identical molecules of DNA are formed from one original strand and one new strand

11.

Describe the process of DNA Replication in three steps

4 lines
12.

Tick all that apply


What is the purpose of mitosis?

a)

Growth

b)

Genetic Variation

c)

Repair

d)

To maintain a high SA:Vol ratio

13.

The significance of mitosis is that it produces two new, __________ __________ daughter cells that are able to function the same way as the original parent cell.

(a)  

14.

High rates of mitosis can be found in the _______ and _______ of plants


(e.g first, second)

(a)