Biology Chapters Quiz 1-7 and 31

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Chapters 6,7 &31
Question 1
1 out of 1 points

Some enzymes contain molecules in the active site that help facilitate chemical transformations. These molecules are called:

Selected Answer:
 
coenzymes.
Correct Answer:
 
coenzymes.

Question 2
1 out of 1 points

People with high cholesterol levels often take drugs in an attempt to lower their cholesterol levels. One such drug is Lipitor. How does this drug work?

Selected Answer:
 
It acts as a competitive inhibitor by binding to the active site of enzymes that normally produce cholesterol. Correct Answer:
 
It acts as a competitive inhibitor by binding to the active site of enzymes that normally produce cholesterol.

Question 3
1 out of 1 points

Metabolism is the sum of all the:

Selected Answer:
 
chemical reactions that a cell carries out.
Correct Answer:
 
chemical reactions that a cell carries out.

Question 4
0 out of 1 points

Energy present in a system that is not usable to do work relates to the system's:

Selected Answer:
 
thermodynamics.
Correct Answer:
 
entropy.

Question 5
1 out of 1 points

Before starch can be used for cellular respiration, it must be broken down into:

Selected Answer:
 
glucose.
Correct Answer:
 
glucose.

Question 6
0 out of 1 points

The majority of ATP in aerobic respiration is produced by:

Selected Answer:
 
the Krebs cycle.
Correct Answer:
 
the electron transport chain.

Question 7
1 out of 1 points

Before proteins can be used for cellular respiration, they must be broken down into:

Selected Answer:
 
amino acids.
Correct Answer:
 
amino acids.

Question 8
0 out of 1 points

The term aerobic means:

Selected Answer:
 
oxygen-independent.
Correct Answer:
 
oxygen-dependent.

Question 9
1 out of 1 points

What is unusual about soy protein as opposed to other plant protein sources?

Selected Answer:
 
Soy protein has all essential amino acids in the proper proportions. Correct Answer:
 
Soy protein has all essential amino acids in the proper proportions.

Question 10
1 out of 1 points

Which of the following is an example of a nutrient that helps to regulate bodily processes?

Selected Answer:
 
potassium
Correct Answer:
 
potassium

Question 11
1 out of 1 points

Calories are a measure of the:

Selected Answer:
 
amount of energy the food contains.
Correct Answer:
 
amount of energy the food contains.

Question 12
1 out of 1 points

Which of the following is a complex carbohydrate that cannot be digested?

Selected Answer:
 
fibers
Correct Answer:
 
fibers

Question 13
0 out of 1 points

Allosteric regulation depends on inhibitors binding to the active site of enzymes.

Selected Answer:
 True
Correct Answer:
 False

Question 14
0 out of 1 points

Given enough time, sucrose can spontaneously break down into fructose and glucose in a glass of water.

Selected Answer:
 False
Correct Answer:
 True

Question 15
0.57143 out of 1 points

Match column 1 with the items in column 2.

Question
Correct Match
Selected Match
Links the study of energy to life
 F. 
bioenergetics
 F. 
bioenergetics
The study of energy
 D. 
thermodynamics
 D. 
thermodynamics
The breakdown of large molecules into smaller ones, with the release of energy  E. 
exergonic reaction
 A. 
endergonic reaction
The building of larger molecules, requiring energy
 A.
endergonic reaction
 C. 
coupled reaction
Using the energy from the breakdown of molecules to fuel the construction of new molecules  C. 
coupled reaction
 E. 
exergonic reaction
A source of chemical energy for metabolic processes
 G. 
ATP
 G. 
ATP
The energy required to initiate a...
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