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7th-8th Grade Ch. 6-7 Review, Part 1
Test Description: Chapters 6-7 Review on Cell Division and Genetics
Instructions: Answer all questions to get your test result.
1) The two stages of cell division are
A
mitosis and cytokinesis
B
asexual and sexual
C
anaphase and telophase
D
replication and transcription
2) A cell surrounded by a protective covering is a
A
cellocyte.
B
spore.
C
bug.
D
zygote.
3) The new cell that forms from the union of two gametes is called
A
a zygote.
B
a fertilization product.
C
an egg.
D
a sperm.
4) Asexual reproduction is reproduction by
A
meiosis.
B
fertilization.
C
pollination.
D
mitotic cell divisions.
5) By what process does sexual reproduction copy genetic information?
A
meiosis
B
mutation
C
mitosis
D
migration
6) In mitosis the chromosomes are lined up at the center of the spindle during
A
mitophase.
B
telophase.
C
metaphase.
D
prophase.
7) Genes are sections of
A
protein.
B
DNA.
C
amino acids.
D
cytoplasm.
8) What carries the genetic code from the DNA to the ribosomes?
A
messenger RNA
B
transfer RNA
C
proteins
D
messenger DNA
9) Which of the following is not one of the four bases in a DNA molecule?
A
uracil
B
adenine
C
guanine
D
cytosine
10) True or False: The cells of human skin may go through mitotic cell division several times a day.
A
Happy
B
True
C
False
D
Thanksgiving
11) True or False: In the DNA molecule, adenine always pairs with thymine.
A
True
B
False
C
Thanksgiving
D
Happy
12) True or False: In the RNA molecule, uracil always pairs with cytosine.
A
True
B
False
C
Thanksgiving
D
Happy
13) True or False: An organism can reproduce sexually or asexually but not both.
A
Happy
B
Thanksgiving
C
True
D
False
14) True or False: Protein synthesis occurs at ribosomes.
A
Happy
B
True
C
Thanksgiving
D
False
*select an answer for all questions
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