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Cell Structure and Function — Test Answers

25 verified answers
21
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Which organelles are labeled D, and what is one feature that distinguishes them from the other labeled organelles?

A
ribosomes; only found in animal and bacterial cells
B
centrioles; found in animal cells but not plant cells
C
mitochondria; the only energy-generating structures found in cells
D
chloroplasts; the only organelles that produce sugars from sunlight
22
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Which organelle is labeled I?

A
nucleus
B
ribosome
C
chloroplast
D
mitochondrion
24

Which is a function of the structure that is represented in the image?

A
provides support and protection
B
controls the movement of substances into and out of cells
C
helps in determining plant cell shape
D
builds proteins from amino acids
25

Which statement correctly describes the bars on a bar graph representing the data?

A
The bar for very low concentration is twice the height of the bar for medium concentration.
B
The graph has five bars of equal height.
C
The bars range from tallest for very high concentration to shortest for very low concentration .
D
The bar for very high concentration is five times the height of the bar for very low concentration.

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