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Cell Biology

Study Pack

Set 13 How Cells Obtain Energy From Food

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Question 1

(Multiple Choice)

Free
Foods are broken down into simple molecular subunits for distribution and use throughout the body.Which type of simple subunits, listed below, is used preferentially as an energy source?

A)simple sugars
B)proteins
C)free fatty acids
D)glycerol

Answer

Question 2

(Multiple Choice)

Free
On a diet consisting of nothing but protein, which of the following is the most likely outcome?

A)loss of weight because amino acids cannot be used for the synthesis of fat
B)muscle gain because the amino acids will go directly into building muscle
C)tiredness because amino acids cannot be used to generate energy
D)excretion of more nitrogenous (ammonia-derived) wastes than with a more balanced diet

Answer

Question 3

(Multiple Choice)

Free
Glycolysis generates more stored energy than it expends.What is the net number of activated carrier molecules produced in this process (number and type of molecules produced minus the number of those molecules used as input)?

A)6 ATP, 2 NADH
B)4 ATP, 4 NADH
C)2 ATP, 2 NADH
D)4 ATP, 2 NADH

Answer