WorksheetsDNA-Cell Cycle-Mitosis
Total questions: 30
Worksheet time: 57mins
Name
Class
Date
1.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
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.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
5.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
6.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
7.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
8.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
9.
order of replication
a)
3, 2, 1, 4
b)
2, 1, 4, 3
c)
2, 3, 1, 4
d)
3, 4, 1, 2
10.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
11.
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
12.
The ___________ holds the replicated sister chromatids together.
a)
centriole
b)
chromosomes
c)
centromere
d)
cycles
13.
The cell spends most of it's life in ________________.
a)
mitosis
b)
cytokinesis
c)
Interphase
d)
None of the above
14.
The structures labeled B are
a)
centrioles
b)
chromatids
c)
centromeres
d)
chromopheres
15.
When an animal cell goes through cytokinesis,__________
a)
a cell plate forms dividing the 2 new nuclei.
b)
the cell membrane pinches off the 2 new cells.
c)
4 new cells are formed.
d)
None of the above
16.
A human cell has 46 chromosomes before mitotic division. How many chromosomes will the daughter cells after mitosis.
a)
12
b)
23
c)
46
d)
92
17.
During what stage does the G1, S and G2 phases happen?
a)
Interphase
b)
M phase
c)
Mitosis
d)
Cytokinesis
18.
During what phase of the cell cycle does cell division occur?
a)
Interphase
b)
M phase
c)
S phase
d)
G2 phase
19.
During what phase of the cell cycle does the cell prepare for mitosis?
a)
G1 phase
b)
S phase
c)
G2 phase
d)
M phase
20.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase.
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
21.
Name the phase:
a)
Anaphase
b)
Telophase
c)
Metaphase
d)
Prophase
22.
What is the next phase of mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
23.
Name the phase:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
24.
Name the phase:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
25.
Name the phase:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
26.
Name the phase:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
27.
The organelle that helps in cell division and produces spindle fibers.
a)
Chromosome
b)
Centriole
c)
Cytoplasm
d)
Chloroplast
28.
The stages of mitosis in order
a)
Metaphase, Anaphase, Prophase, Telophase
b)
Prophase, Anaphase, Metaphase, Telophase
c)
Prophase, Metaphase, Anaphase, Telophase
d)
Anaphase, Prophase, Telophase, Metaphase
29.
Place these cells in order of mitosis.
a)
A, B, C, D, E
b)
B, E, D, A, C
c)
C, E, A, D, B
d)
B, D, A, E, C
30.
When a cell divides, what do we call the 2 new cells?
a)
mother cells
b)
father cells
c)
daughter cells
d)
son cells
100 %
