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Cells Part 2 Unit Test Review

Total questions: 56

Worksheet time: 41mins

Name
Class
Date
1.
Which enzyme has the job of unzipping the double helix?
a)
Helicase
b)
Polymerase
c)
Ligase
d)
Primerase
2.
A DNA nucleotide contains all of the following, except...
a)
Deoxyribose
b)
Phosphate group
c)
Nitrogenous base
d)
Cholesterol
3.
What is the shape of DNA?
a)
Double helix
b)
Triple helix
c)
Flat, bilayer
d)
Three-pronged rigid ladder
4.
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
5.
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
6.

What is DNA and RNA made up of?

a)

Nucleotides

b)

Monosaccharides

c)

Polysaccharides

d)

Sugars

7.

Which of the following are nucleotides NOT made up of?

a)

A carbon compound

b)

A sugar

c)

A phosphate group

d)

A nitrogen-containing base

8.

What does DNA stand for?

a)

Deoxyribonucleic acid

b)

Ribonucleic acid

c)

Deoxynucleic acid

d)

Nucleic acid

9.

What does RNA stand for?

a)

Deoxyribonucleic acid

b)

Ribonucleic acid

c)

Deoxynucleic acid

d)

Nucleic acid

10.

What four nitrogen base pairs make up DNA?

a)

Adenine, Thymine, Guanine, Cytosine

b)

Adenine, Uracil, Guanine, Cytosine

c)

Adenine, Thymine, Glucose, Cytosine

d)

Adenine, Thymine, Guanine, Fructose

11.

What four nitrogen base pairs make up RNA?

a)

Adenine, Thymine, Guanine, Cytosine

b)

Adenine, Uracil, Guanine, Cytosine

c)

Adenine, Thymine, Glucose, Cytosine

d)

Adenine, Thymine, Guanine, Fructose

12.

What base pair does Adenine (A) bind with in DNA?

a)

Guanine

b)

Cytosine

c)

Thymine

d)

Uracil

13.

What base pair does Guanine (G) bind with in both DNA and RNA?

a)

Guanine

b)

Cytosine

c)

Thymine

d)

Uracil

14.

What base pair does Adenine (A) bind with in RNA?

a)

Guanine

b)

Cytosine

c)

Thymine

d)

Uracil

15.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
16.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
17.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
18.
a)
Anaphase
b)
Cytonkinesis
c)
Interphase
d)
Prophase
19.
a)
Cytokinesis
b)
Anaphase
c)
Telophase
d)
Prophase
20.
Which is Metaphase?
a)
A
b)
E
c)
C
d)
F
21.
The phase in mitosis where chromosomes move away and are pulled apart by spindles to opposite sides of the cell.
a)
prophase
b)
anaphase
c)
metaphase
d)
telephase
22.
A chromatid is attached to a spindle fiber by the
a)
nucleolus
b)
deep furrow
c)
centromere
d)
centriole
23.
The process by which the nuclear material is divided equally between two new cells
a)
mitosis
b)
cancer
c)
spindle
d)
centromere
24.
the two halves of the doubled chromosome structure 
a)
centromeres
b)
sister chromatids
c)
spindle
d)
tissues
25.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
26.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
27.
What is the name of the structure labeled X?
a)
Centriole
b)
Centrosome
c)
Chromatid
d)
Chromosome 
28.

All human have _________ chromosomes

a)

23

b)

46

c)

Diploid

d)

Haploid

29.

What is the pair of sex chromosomes in Males?

a)

Y

b)

X

c)

XY

d)

XX

30.

What is the pair of sex chromosomes in females?

a)

Y

b)

X

c)

XY

d)

XX

31.

A 2n cell of a bat has 44 chromosomes, how many chromosomes will you find in one of his gametes

a)

23

b)

22

c)

44

d)

88

32.

Squirrels have 40 chromosomes in its diploid cells. How many chromosomes will you find in their egg cells

a)

40

b)

23

c)

20

d)

Not enough information to answer the question

33.

A haploid cell from a male camel has 35 chromosomes. What type of cell is this? Choose all that apply

a)

Sperm

b)

Egg

c)

Heart Cell

d)

Muscle Cell

34.
A dog has 78 chromosomes in its body cells.  What is the diploid number?
a)
78
b)
39
c)
1
d)
100
35.
A Goat has 60 chromosomes in its body cells.  What is the haploid number?
a)
60
b)
30
c)
100
d)
120
36.
A human has 46 chromosomes in their body cells.  What is the haploid number?
a)
46
b)
92
c)
23
d)
12
37.
Mitosis produces cells with haploid or diploid number of chromosomes?
a)
Haploid
b)
Diploid
38.
Body cells have diploid or haploid number of chromosomes?
a)
Haploid
b)
Diploid
39.
How many cells are produced in Mitosis?
a)
1
b)
2
c)
3
d)
4
40.
Are the cells in Mitosis identical or unique?
a)
Identical 
b)
Unique
c)
It's random
41.
Asexual reproduction and mitosis occur in...
a)
Body Cells
b)
Sex Cells or Gametes
42.
The purpose of sexual reproduction and meiosis is to form ________ cells.
a)
body
b)
sex
c)
somatic
d)
brain
43.
How many daughter cells are produced at the end of meiosis?
a)
1
b)
2
c)
3
d)
4
44.
Before mitosis or meiosis can begin, DNA must go through Interphase. This is when...
a)
DNA replicates
b)
DNA splits
c)
DNA forms chromosomes
d)
Chromosomes cross over
45.
In meiosis, Prophase 1 is when chromosomes...
a)
cross over
b)
mutate
c)
hybridize
d)
fertilize
46.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
47.
What is one of the advantages, of reproducing sexually versus asexually?
a)
survival of the fittest
b)
overproduction
c)
genetic variation
d)
cloning
48.

A human body (somatic) cell usually has how many chromosomes?

a)

6

b)

22

c)

4

d)

46

49.

Involves two parents and produces offspring different from parents

a)

external fertilization

b)

sexual reproduction

c)

internal fertilization

d)

asexual reproduction

50.

When an organism splits into an exact copy

a)

fertilization

b)

binary fission

c)

regeneration

d)

budding

51.

The joining of male and female sex cells

a)

asexual reproduction

b)

internal fertilization

c)

pollination

d)

fertilization

52.

A reproductive process that involves two parents that combine genetic material to produce a new organism, which differs from both parents.

a)

external fertilization

b)

asexual reproduction

c)

sexual reproduction

d)

internal development

53.

Type of reproduction that makes an identical copy of a parent cell

a)

sexual reproduction

b)

asexual reproduction

c)

internal fertilization

d)

external fertilization

54.

Female reproductive cell in animals

a)

egg

b)

pollen

c)

sperm

d)

zygote

55.

Male reproductive cell in animals

a)

egg

b)

sperm

c)

clone

d)

pollen

56.

If a human is composed of 46 chromosomes, how many chromosomes would be in a human SPERM (sex) cell ?

a)

23

b)

25

c)

46

d)

52

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