7th-8th Grade Ch. 6-7 Review, Part 1 Question Preview (ID: 33819)


Chapters 6-7 Review On Cell Division And Genetics. TEACHERS: click here for quick copy question ID numbers.

True or False: Protein synthesis occurs at ribosomes.
a) True
b) False
c) Happy
d) Thanksgiving

True or False: In the RNA molecule, uracil always pairs with cytosine.
a) True
b) False
c) Happy
d) Thanksgiving

True or False: An organism can reproduce sexually or asexually but not both.
a) True
b) False
c) Happy
d) Thanksgiving

True or False: In the DNA molecule, adenine always pairs with thymine.
a) True
b) False
c) Happy
d) Thanksgiving

True or False: The cells of human skin may go through mitotic cell division several times a day.
a) True
b) False
c) Happy
d) Thanksgiving

Which of the following is not one of the four bases in a DNA molecule?
a) guanine
b) adenine
c) cytosine
d) uracil

Genes are sections of
a) amino acids.
b) protein.
c) DNA.
d) cytoplasm.

What carries the genetic code from the DNA to the ribosomes?
a) messenger RNA
b) transfer RNA
c) messenger DNA
d) proteins

In mitosis the chromosomes are lined up at the center of the spindle during
a) metaphase.
b) prophase.
c) telophase.
d) mitophase.

By what process does sexual reproduction copy genetic information?
a) migration
b) mitosis
c) meiosis
d) mutation

The new cell that forms from the union of two gametes is called
a) a sperm.
b) a fertilization product.
c) a zygote.
d) an egg.

Asexual reproduction is reproduction by
a) meiosis.
b) mitotic cell divisions.
c) fertilization.
d) pollination.

A cell surrounded by a protective covering is a
a) cellocyte.
b) spore.
c) zygote.
d) bug.

The two stages of cell division are
a) mitosis and cytokinesis
b) asexual and sexual
c) anaphase and telophase
d) replication and transcription

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