Course

Introductory Biology

Study Pack

Set 6 Energy Flow In The Life Of A Cell

Back to Sets
Question 1

(Multiple Choice)

Free
During photosynthesis, plants convert light energy to chemical energy. This is an example of

A) increasing entropy.
B) a spontaneous reaction.
C) the second law of thermodynamics.
D) chemical equilibrium.
E) the first law of thermodynamics.

Answer

Question 2

(Multiple Choice)

Free
When, if ever, do molecules stop moving?

A) At absolute zero (- 273.15°C)
B) At the freezing point (0°C)
C) At the boiling point (100°C)
D) Never

Answer

Question 3

(Multiple Choice)

Free
Activation energy is necessary for all reactions.

A) endergonic
B) coupled
C) chemical
D) exergonic

Answer