Question 1

Consider the diagram of a mitochondrion shown below.What does the number 4 represent?

Accepted Answer

A)  cristae 
B)  matrix 
C)  intermembrane space 
D)  More than one answer is correct. 
A)  cristae 
B)  matrix 
C)  intermembrane space 
D)  More than one answer is correct.

Question 2

Although other substances are considered to be macronutrients,carbohydrates are the only macronutrient humans must have daily.

Accepted Answer

A) True 
 B)False

Question 3

Energy flows through the biosphere;energy is not cycled.

Accepted Answer

A) True 
 B)False

Question 4

Most B vitamins cannot be stored by the human body.One,however,can be stored in the liver.This vitamin is _____.

Accepted Answer

A)  folic acid 
B)  riboflavin 
C)  niacin 
D)  biotin 
A)  folic acid 
B)  riboflavin 
C)  niacin 
D)  biotin

Question 5

Which of the following groups is transferred by Coenzyme A?

Accepted Answer

A)  acetyl 
B)  methyl 
C)  ethyl 
D)  hydroxyl 
A)  acetyl 
B)  methyl 
C)  ethyl 
D)  hydroxyl

Question 6

In which stage of the extraction of energy from food does digestion take place?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  More than one response is correct. 
A)  I 
B)  II 
C)  III 
D)  More than one response is correct.

Question 7

Of the trace minerals,____ is the most abundant in an average person.

Accepted Answer

A)  copper 
B)  iron 
C)  iodine 
D)  manganese 
A)  copper 
B)  iron 
C)  iodine 
D)  manganese

Question 8

Complementary protein food combinations are especially important to individuals who are following a

Accepted Answer

A)  high protein diet. 
B)  lacto-ovo vegetarian diet. 
C)  vegan diet. 
D)  More than one response is correct. 
A)  high protein diet. 
B)  lacto-ovo vegetarian diet. 
C)  vegan diet. 
D)  More than one response is correct.

Question 9

Reactions requiring energy often occur with the simultaneous hydrolysis of ___ .

Accepted Answer

A)  acetyl CoA 
B)  glucose 
C)  ATP 
D)  Pi 
A)  acetyl CoA 
B)  glucose 
C)  ATP 
D)  Pi

Question 10

Which of the following contains the greatest amount of energy that could be used by a biological system?

Accepted Answer

A)  AMP 
B)  ADP 
C)  ATP 
D)  STP 
A)  AMP 
B)  ADP 
C)  ATP 
D)  STP

Question 11

The site at which ATP is synthesized is the ribosome.

Accepted Answer

A) True 
 B)False

Question 12

Which fat-soluble vitamin is essential for the proper utilization of calcium and phosphorous in the body?

Accepted Answer

A)  Vitamin A 
B)  Vitamin D 
C)  Vitamin E 
D)  Vitamin K 
A)  Vitamin A 
B)  Vitamin D 
C)  Vitamin E 
D)  Vitamin K

Question 13

Coenzyme A can transfer several types of acyl groups.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is not considered to be a coenzyme?

Accepted Answer

A)  coenzyme A 
B)  NAD+ 
C)  ADP 
D)  FAD 
A)  coenzyme A 
B)  NAD+ 
C)  ADP 
D)  FAD

Question 15

What units are used for protein,vitamins and minerals on food labels?

Accepted Answer

A)  Reference Daily Intakes (RDI) 
B)  Daily Reference Values (DRV) 
C)  Food and Drug Administration (FD
A)  
D)  Food Guide Pyramid (FGP) 
A)  Reference Daily Intakes (RDI) 
B)  Daily Reference Values (DRV) 
C)  Food and Drug Administration (FD
A)  
D)  Food Guide Pyramid (FGP)

Question 16

The Vitamin C deficiency disease is _____ .

Accepted Answer

A)  pellagra 
B)  beriberi 
C)  scurvy 
D)  pernicious anemia 
A)  pellagra 
B)  beriberi 
C)  scurvy 
D)  pernicious anemia

Question 17

Proteins are eaten to help the body by providing the amino acids that are difficult to produce;proteins could be omitted from the diet.

Accepted Answer

A) True 
 B)False

Question 18

What property would lead scientists to believe that mitochondria once existed as separate bacteria?

Accepted Answer

A)  They have a size similar to bacteria. 
B)  They have their own DNA. 
C)  Their biochemistry is different from other parts of a cell. 
D)  More than one answer is correct. 
A)  They have a size similar to bacteria. 
B)  They have their own DNA. 
C)  Their biochemistry is different from other parts of a cell. 
D)  More than one answer is correct.

Question 19

Which of the following processes is exothermic?

Accepted Answer

A)  photosynthesis 
B)  synthesis of fats 
C)  the anaerobic sequence 
D)  the citric acid cycle 
A)  photosynthesis 
B)  synthesis of fats 
C)  the anaerobic sequence 
D)  the citric acid cycle

Question 20

Calcium is a mineral that is required by humans for

Accepted Answer

A)  bone and teeth formation. 
B)  blood production. 
C)  blood buffer system. 
D)  More than one response is right. 
A)  bone and teeth formation. 
B)  blood production. 
C)  blood buffer system. 
D)  More than one response is right.

Exam 22: Nutrition and Energy for Life

Consider the diagram of a mitochondrion shown below.What does the number 4 represent?

Although other substances are considered to be macronutrients,carbohydrates are the only macronutrient humans must have daily.

Energy flows through the biosphere;energy is not cycled.

Most B vitamins cannot be stored by the human body.One,however,can be stored in the liver.This vitamin is _____.

Which of the following groups is transferred by Coenzyme A?

In which stage of the extraction of energy from food does digestion take place?

Of the trace minerals,____ is the most abundant in an average person.

Complementary protein food combinations are especially important to individuals who are following a

Reactions requiring energy often occur with the simultaneous hydrolysis of ___ .

Which of the following contains the greatest amount of energy that could be used by a biological system?

The site at which ATP is synthesized is the ribosome.

Which fat-soluble vitamin is essential for the proper utilization of calcium and phosphorous in the body?

Coenzyme A can transfer several types of acyl groups.

Which of the following is not considered to be a coenzyme?

What units are used for protein,vitamins and minerals on food labels?

The Vitamin C deficiency disease is _____ .

Proteins are eaten to help the body by providing the amino acids that are difficult to produce;proteins could be omitted from the diet.

What property would lead scientists to believe that mitochondria once existed as separate bacteria?

Which of the following processes is exothermic?

Calcium is a mineral that is required by humans for

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids,bases,and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters