The Function of Organelles Answers

10 verified answers
1
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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
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
4

Which statement does not support the endosymbiotic theory?

A
Mitochondria and chloroplasts reproduce independently from the cell.
B
Mitochondria and chloroplasts contain their own ribosomes.
C
Mitochondria and chloroplasts have DNA that resembles bacterial DNA.
D
Mitochondria and chloroplasts are much larger than prokaryotic cells.
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 structure is unique to eukaryotic cells?

A
DNA
B
cell membrane
C
ribosomes
D
nucleus
7

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
9

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
10

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

A
mitochondrion
B
mitochondrion
C
DNA
D
DNA
E
nucleus
F
nucleus
G
cell
H
cell

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