Cumulative Exam — Cumulative exam Answers

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Which resource is renewable?

A
coal
B
oil
C
steel
D
wind
22
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Which describes a disruption in the water cycle that could affect photosynthesis?

A
Heat causes an excess of transpiration.
B
Heat causes an excess of evaporation.
C
Heat causes an excess of condensation.
D
Heat causes an excess of precipitation.
23

Which microscope uses a probe to map atoms on the surface of a specimen?

A
transmission electron microscope
B
compound light microscope
C
scanning electron microscope
D
scanning tunneling microscope
24

Which refers to the maintenance of a stable internal environment despite changing external conditions?

A
differentiation
B
self-renewal
C
homeostasis
D
specialization
25

Which statement describes how enzymes and substrates are related?

A
The enzyme influences the speed of change from substrate to product.
B
Enzymes are released as substrates in a chemical reaction.
C
An enzyme is a special kind of substrate in a chemical reaction.
D
Substrates combine with enzymes to form reactants.

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