Prokaryotic and Eukaryotic Cells Answers

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1
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What is the basic unit of structure and function of all living organisms?

A
mitochondrion
B
DNA
C
nucleus
D
cell
2
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Which cell structure serves the stated function in both eukaryotic and prokaryotic cells?

A
nucleus: stores genetic material
B
cytoplasm: protects cell structures
C
ribosomes: regulate cell processes
D
DNA: surrounds cell contents
3

A chemical has been found to harm the same components in both prokaryotic and eukaryotic cells. Which components are those?

A
DNA, cell membrane, cytoplasm, and ribosomes
B
DNA, cell membrane, ribosomes, and membrane-bound organelles
C
DNA, cytoplasm, ribosomes, and nucleus
D
DNA, cell membrane, cytoplasm, and membrane-bound organelles
4

In which specimen were cells first identified?

A
microorganism
B
cork bark
C
DNA
D
mitochondrion
5

A diseased cell is no longer able to produce proteins. Which cell structure is most likely malfunctioning?

A
cell membrane
B
cytoplasm
C
ribosome
D
mitochondrion
6

Which structure is unique to eukaryotic cells?

A
DNA
B
cell membrane
C
ribosomes
D
nucleus
7

Gina is studying a cell under a powerful microscope. The cell does not contain membrane-bound organelles.Which cell is Gina most likely studying?

A
an animal cell
B
a bacterial cell
C
a plant cell
D
a protist cell
8

Which statement is most likely to apply to a cell that has DNA within its cytoplasm?

A
It lacks ribosomes.
B
It has membrane-bound organelles.
C
It is multicellular.
D
It performs all functions for the organism.
9

Which best describes mitochondrial DNA (mtDNA)?

A
Mitochondrial DNA is the same as nuclear DNA.
B
Mitochondrial DNA is inherited through the father.
C
Mitochondrial DNA can be traced for generations.
D
Mitochondrial DNA requires large amounts for testing.
10

Which discovery supported the endosymbiotic theory?

A
DNA in mitochondria
B
DNA in the cell nucleus
C
DNA in ribosomes
D
DNA in the cytoplasm

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