AnswersMO-Biology AElements of Living Organisms

Prokaryotic and Eukaryotic Cells Answers

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2
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In which specimen were cells first identified?

A
microorganism
B
microorganism
C
cork bark
D
cork bark
E
DNA
F
DNA
G
mitochondrion
H
mitochondrion
3

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.
4

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
5

A student wonders whether removing the nucleus from a cell would result in a new prokaryotic cell. Why would this procedure fail to produce a prokaryotic cell?

A
The cell would lack genetic information.
B
The cell would lack genetic information.
C
The cell would lack the structure that is needed to produce energy.
D
The cell would lack the structure that is needed to produce energy.
E
The cell would lack the structure that is needed to protect the cell’s organelles.
F
The cell would lack the structure that is needed to protect the cell’s organelles.
G
The cell would lack control over materials that move into and out of the cell.
H
The cell would lack control over materials that move into and out of the cell.
6

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
7

Based on the endosymbiotic theory, what cell would result from the endosymbiosis of a cell with a cyanobacterium?

A
a eukaryotic cell that can make its own food
B
a eukaryotic cell that can make its own food
C
a prokaryotic cell that can make its own food
D
a prokaryotic cell that can make its own food
E
an aerobic bacterium
F
an aerobic bacterium
G
an anaerobic bacterium
H
an anaerobic bacterium
8

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
9

A scientist is studying a cell and can clearly see that it has ribosomes and mitochondria. Which statement best describes how the cell could be classified?

A
The cell is prokaryotic because it contains ribosomes.
B
The cell is prokaryotic because it contains mitochondria.
C
The cell is eukaryotic because it contains ribosomes.
D
The cell is eukaryotic because it contains mitochondria.

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