Two Cyclists Who Weigh the Same and Have Identical Bicycles

question 46

Multiple Choice

Two cyclists who weigh the same and have identical bicycles ride up the same mountain,both starting at the same time.Joe rides straight up the mountain,and Bob rides up the longer road that has a lower grade.Joe gets to the top before Bob.Ignoring friction and wind resistance,which one of the following statements is true?

• A)The amount of work done by Joe is equal to the amount of work done by Bob,but the average power exerted by Joe is greater than that of Bob.
• B)The amount of work done by Joe is greater than the amount of work done by Bob,and the average power exerted by Joe is greater than that of Bob.
• C)Bob and Joe exerted the same amount of work,and the average power of each cyclist was also the same.
• D)The average power exerted by Bob and Joe was the same,but Joe exerted more work in getting there.

Distinguish between photoautotrophs and photoheterotrophs.

Identify solvents suitable for extracting photosynthetic pigments and explain their selection.

Differentiate between cyclic and noncyclic electron transport in photosynthesis.

Explain the differences and similarities between photosynthesis and aerobic respiration.

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Definitions:

Higher-Order Conditioning

Conditioning that occurs when conditioned stimuli are linked together to form a series of signals.

Secondary Reinforcers

Stimuli that acquire their reinforcing power through association with primary reinforcers and are not naturally rewarding.

Olive

A small, oval fruit with a hard pit and bitter flesh, typically grown in the Mediterranean region, also referring to the tree that produces these fruits, Olea europaea.

Grape

A fruit, typically grown in clusters, used for eating fresh or in making wine.