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Unit 6 - Cell Reproduction and DNA Review

Total questions: 46

Worksheet time: 52mins

Name
Class
Date
1.
DNA is a polymer made of:
a)
Nucleotides
b)
Ribosomes
c)
Purines
d)
Pyrimidines
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.
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
4.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
5.
What will the matching sequence be on a strand that reads AAGCTAT?
a)
AACGATA
b)
TTCGTTA
c)
CCTGATA
d)
TTCGATA
6.
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
7.
_____________________ carries information for inherited traits.
a)
DNA
b)
FBI
c)
RNA
d)
CBS
8.
____________________ is to make copies of DNA
a)
replicate
b)
recycle
c)
reuse
d)
rejoice
9.
DNA replication turns one strand of DNA into two new strands of DNA. What percent of each new strand is the old strand?
a)
Half of each new DNA is the old DNA
b)
The old strand of DNA was digested, so none
c)
The new DNA is entirely made up of the old DNA
d)
About every sixth base comes from the old DNA
10.
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
11.
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
12.
Identify #2.
a)
nitrogen base
b)
phosphate group
c)
deoxyribose sugar
d)
nucleotide
13.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
14.
The two strands of nitrogenous bases in DNA are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
15.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
16.
What process is shown in the diagram?
a)
replication
b)
transcription
c)
mitosis
d)
translation
17.
Mitosis is the process by which
a)
Cells get bigger
b)
Cells get smaller
c)
Body cells divide into two
d)
Cells die
18.
Humans have 46 chromosomes, which means we have _______ of chromosomes.
a)
46 pairs 
b)
23 pairs
c)
20 pairs
d)
56 pairs
19.
Stem cells are
a)
cells that grow uncontrollably
b)
undifferentiated and can be any type of cell
c)
never go through cell division
d)
only found in embryos
20.
How many cells are created at the end of Mitosis?
a)
1
b)
2
c)
3
d)
4
21.
The cell cycle is ______________.
a)
the process of cells circling throughout the body
b)
the process of splitting the organelles
c)
a process where one cell gets energy
d)
the sequence of stages of growth and division that a cell undergoes
22.

Identify #3.

a)
nitrogen base
b)
phosphate group
c)
deoxyribose sugar
d)
nucleotide
23.

Identify the stage of mitosis.

a)

interphase

b)

prophase

c)

anaphase

d)

telophase and cytokinesis

24.
After interphase is completed the cell moves into the next stage of the cell cycle called _________.
a)
anaphase
b)
cytokinesis
c)
metaphase
d)
mitosis
25.
Mitosis is made up of how many phases?
a)
4
b)
5
c)
6
d)
7
26.

Which of the following factors cause cancer cells to spread into other tissues?

I. Certain chemical compound like tar in tobacco smoke

II. Carcinogenic compounds such as formaldehyde

III. Radiation from X-rays, ultraviolet rays and gamma rays.

IV. Uncontrolled mitosis in the cell cycle

a)

I and II only

b)

III and IV only

c)

I, III and IV only

d)

I, II, III and IV

27.
During interphase the cell ___________.
a)
divides into two cells
b)
divides its nucleus
c)
replicates its DNA
d)
replicates the organelles within the cell
28.
Replicate the following strand of DNA: 
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
29.

Identify the stage of mitosis.

a)

interphase

b)

late prophase

c)

metaphase

d)

anaphase

30.
The following describes __________ during mitosis. The chromatin condenses and spindle fibers form at each side of the cell. The nuclear membrane breaks apart.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
31.
The following describes ________  during mitosis. The chromosomes line up along the center of the cell and the spindle fibers attach to each chromosome at the centromere.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
32.
The following describes _________ during mitosis. The spindle fiber splits the centromere and the chromatids move to opposite sides of the cell.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
33.
Identify the stage.
a)
interphase
b)
metaphase
c)
anaphase
d)
telophase
34.
What will the first four bases of the new DNA strand look like if copying the template strand?
a)
TGGT
b)
ACCA
c)
GTTG
d)
CAAC
35.

What phase of mitosis is shown in the picture?

a)

Prophase

b)

Anaphase

c)

Telophase

d)

Metaphase

36.
What process best explains how muscle cells and nerve cells can develop from the same fertilized egg?
a)
genetic engineering
b)
survival of the fittest
c)
differentiation
d)
selective breeding
37.

What phase of mitosis is shown in the picture?

a)

Prophase

b)

Anaphase

c)

Telophase

d)

Metaphase

38.
After analyzing a sample of DNA, a scientist recorded the data shown in the table. What percentage of the DNA sample is cytosine?
a)
22%
b)
25%
c)
28%
d)
56%
39.

This picture shows which process? (IPMAT)

a)

mitosis

b)

meiosis

c)

the cell cycle

40.

PMAT helps us remember the correct order of the phases of Mitosis. Which of the following has the phases of Mitosis in the correct Order

a)

Interphase, Mitosis, Cytokinesis

b)

Prophase, Metaphase, Anaphase, Prophase

c)

Anaphase, Telophase, Prophase, Telophase

d)

Prophase, Metaphase, Anaphase, Telophase

41.

The picture below shows the steps of DNA replication beginning with step one and ending with step three.


​Because you are reusing the old, or parent, DNA strand DNA replication is said to be

a)

Semi- Conservative

b)

Semi-discontinuous

c)

Continuous

d)

Fully-Conserveative

42.
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
43.

An uncontrolled division of abnormal cells in a part of the body is ...

a)

cancer

b)

cell division

c)

cell cycle

d)

mitosis

44.
order of replication
a)
3, 4, 2, 1
b)
3, 1, 4, 2
c)
2, 1, 4, 3
d)
3, 4, 1, 2
45.

Chargaff's rules state that....

a)

The amount of A's always = the amount of C's and the amount of T's always = the amount of G's.

b)

The amount of A's always = the amount of A's and the amount of C's always = the amount of C's.

c)

The amount of A's always = the amount of G's and the amount of C's always = the amount of T's.

d)

The amount of A's always = the amount of T's and the amount of C's always = the amount of G's.

46.
What is cell differentiation?
a)
Process by which cells produce more cells
b)
Process by which cells become specialized
c)
Process by which cells become unspecialized
d)
Process by which cells die

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