Question 1

The body normally makes tyrosine from the essential amino acid:​

Accepted Answer

A) leucine. 
B) lysine. 
C) ​isoleucine. 
D) ​valine. 
E) ​phenylalanine. 
A) leucine. 
B) lysine. 
C) ​isoleucine. 
D) ​valine. 
E) ​phenylalanine.

Question 2

The process of protein turnover includes:​

Accepted Answer

A) excreting old amino acids that are left from cell breakdown. 
B) synthesizing intestinal cells,which live for 3 to 4 months. 
C) eating food sources of amino acids every day to grow new cells and replace worn-out ones. 
D) preserving all old amino acids in the body to be re-circulated. 
E) ​circulating proteins in the bloodstream to replenish peptide chains. 
A) excreting old amino acids that are left from cell breakdown. 
B) synthesizing intestinal cells,which live for 3 to 4 months. 
C) eating food sources of amino acids every day to grow new cells and replace worn-out ones. 
D) preserving all old amino acids in the body to be re-circulated. 
E) ​circulating proteins in the bloodstream to replenish peptide chains.

Question 3

Overconsumption of protein-rich foods offers no benefits and may pose health risks,particularly for weakened kidneys.​

Accepted Answer

A) True 
 B)False

Question 4

The growth of well-fed vegetarian children is similar to that of their meat-eating peers.​

Accepted Answer

A) True 
 B)False

Question 5

When a person ingests a large dose of any single amino acid,absorption of others of its type may be limited.​

Accepted Answer

A) True 
 B)False

Question 6

All of the following cause denaturation of proteins except:​

Accepted Answer

A) bases. 
B) heat. 
C) ​alcohol. 
D) ​light. 
E) ​salts of heavy metals. 
A) bases. 
B) heat. 
C) ​alcohol. 
D) ​light. 
E) ​salts of heavy metals.

Question 7

For the majority of exercisers,adding excess protein or amino acid supplements to an adequate diet will stimulate muscle building.​

Accepted Answer

A) True 
 B)False

Question 8

The body is able to make all of the 20 amino acids needed from fragments derived from carbohydrate and fat.​

Accepted Answer

A) True 
 B)False

Question 9

Legumes are a good source of protein,many B vitamins,iron,and other minerals,making them exceptionally nutritious foods.​

Accepted Answer

A) True 
 B)False

Question 10

A child suffering from protein deficiency develops edema.This is an example of protein's role in:​

Accepted Answer

A) supporting growth and maintenance. 
B) building enzymes and hormones. 
C) ​maintaining fluid and electrolyte balance. 
D) ​maintaining acid-base balance. 
E) ​maintaining pH balance. 
A) supporting growth and maintenance. 
B) building enzymes and hormones. 
C) ​maintaining fluid and electrolyte balance. 
D) ​maintaining acid-base balance. 
E) ​maintaining pH balance.

Question 11

Some foods are so high in acid that they are capable of making the acid in the stomach even stronger.​

Accepted Answer

A) True 
 B)False

Question 12

Removing the grain protein gluten from the diet has been shown to:​

Accepted Answer

A) resolve digestive problems in people with celiac disease. 
B) help with weight loss in people trying to lose weight. 
C) ​reduce problems with insomnia. 
D) ​reduce cancer risk. 
E) ​cause protein deficiency. 
A) resolve digestive problems in people with celiac disease. 
B) help with weight loss in people trying to lose weight. 
C) ​reduce problems with insomnia. 
D) ​reduce cancer risk. 
E) ​cause protein deficiency.

Question 13

What is the DRI for protein for a 40-year-old male who is 6'4" tall and weighs 180 pounds?​

Accepted Answer

A) 34 grams 
B) 49 grams 
C) ​65 grams 
D) ​144 grams 
E) ​180 grams 
A) 34 grams 
B) 49 grams 
C) ​65 grams 
D) ​144 grams 
E) ​180 grams

Question 14

When amino acids are degraded for energy,their amine groups are stripped off and used elsewhere or incorporated by the liver into:​

Accepted Answer

A) urea. 
B) glucose. 
C) ​glycogen. 
D) bile.​ 
E) ​urine. 
A) urea. 
B) glucose. 
C) ​glycogen. 
D) bile.​ 
E) ​urine.

Question 15

Growing children are in negative nitrogen balance because they need more protein for adding blood,bone,and muscle cells.​

Accepted Answer

A) True 
 B)False

Question 16

The DRI for protein for healthy adults is _____ gram(s)per kilogram of body weight.​

Accepted Answer

A) 1.0 
B) 1.5 
C) ​0.5 
D) ​2.0 
E) ​0.8 
A) 1.0 
B) 1.5 
C) ​0.5 
D) ​2.0 
E) ​0.8

Question 17

For athletes,the path to bigger muscles includes​

Accepted Answer

A) less protein and more carbohydrate than is recommended for non-athletes. 
B) extra protein without physical work. 
C) ​vigorous physical training. 
D) ​well-timed meals,which directly stimulate protein synthesis. 
E) ​small doses of protein supplements after workouts. 
A) less protein and more carbohydrate than is recommended for non-athletes. 
B) extra protein without physical work. 
C) ​vigorous physical training. 
D) ​well-timed meals,which directly stimulate protein synthesis. 
E) ​small doses of protein supplements after workouts.

Question 18

When considering the digestion and absorption of proteins,it is important to know that:​

Accepted Answer

A) proteins are broken down into individual amino acids and absorbed by all intestinal cell absorption sites at an equal rate. 
B) larger peptide molecules must be completely broken down into amino acids to be absorbed into the bloodstream from the intestine. 
C) ​cells in the small intestine absorb different types of amino acids at separate absorption sites,which causes competition by similar amino acids at these absorption sites. 
D) ​amino acids need a carrier in the bloodstream because they do not transport very well alone. 
E) ​protein digestion and absorption requires simultaneous ingestion of some form of carbohydrate. 
A) proteins are broken down into individual amino acids and absorbed by all intestinal cell absorption sites at an equal rate. 
B) larger peptide molecules must be completely broken down into amino acids to be absorbed into the bloodstream from the intestine. 
C) ​cells in the small intestine absorb different types of amino acids at separate absorption sites,which causes competition by similar amino acids at these absorption sites. 
D) ​amino acids need a carrier in the bloodstream because they do not transport very well alone. 
E) ​protein digestion and absorption requires simultaneous ingestion of some form of carbohydrate.

Question 19

A 135-pound woman who is 38 years old needs how much protein?​

Accepted Answer

A) 49 grams/day 
B) 56 grams/day 
C) ​86 grams/day 
D) ​110 grams/day 
E) ​135 grams/day 
A) 49 grams/day 
B) 56 grams/day 
C) ​86 grams/day 
D) ​110 grams/day 
E) ​135 grams/day

Question 20

Sickle-cell disease is an example of an inherited variation in the amino acid sequence.​

Accepted Answer

A) True 
 B)False

The body normally makes tyrosine from the essential amino acid:

The process of protein turnover includes:

Overconsumption of protein-rich foods offers no benefits and may pose health risks,particularly for weakened kidneys.

The growth of well-fed vegetarian children is similar to that of their meat-eating peers.

When a person ingests a large dose of any single amino acid,absorption of others of its type may be limited.

All of the following cause denaturation of proteins except:

For the majority of exercisers,adding excess protein or amino acid supplements to an adequate diet will stimulate muscle building.

The body is able to make all of the 20 amino acids needed from fragments derived from carbohydrate and fat.

Legumes are a good source of protein,many B vitamins,iron,and other minerals,making them exceptionally nutritious foods.

A child suffering from protein deficiency develops edema.This is an example of protein's role in:

Some foods are so high in acid that they are capable of making the acid in the stomach even stronger.

Removing the grain protein gluten from the diet has been shown to:

What is the DRI for protein for a 40-year-old male who is 6'4" tall and weighs 180 pounds?

When amino acids are degraded for energy,their amine groups are stripped off and used elsewhere or incorporated by the liver into:

Growing children are in negative nitrogen balance because they need more protein for adding blood,bone,and muscle cells.

The DRI for protein for healthy adults is _____ gram(s)per kilogram of body weight.

For athletes,the path to bigger muscles includes

When considering the digestion and absorption of proteins,it is important to know that:

A 135-pound woman who is 38 years old needs how much protein?

Sickle-cell disease is an example of an inherited variation in the amino acid sequence.

Food Choices and Human Health

Nutrition Tools Standards and Guidelines

The Remarkable Body

The Carbohydrates Sugar Starch Glycogen and Fiber

The Lipids Fats Oils Phospholipids and Sterols

The Vitamins

Water and Minerals

Energy Balance and Healthy Body Weight

Performance Nutrition

Diet and Health

Food Safety and Food Technology

Life Cycle Nutrition Mother and Infant

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Exam 6: The Proteins and Amino Acids

The body normally makes tyrosine from the essential amino acid:​

The process of protein turnover includes:​

Overconsumption of protein-rich foods offers no benefits and may pose health risks,particularly for weakened kidneys.​

The growth of well-fed vegetarian children is similar to that of their meat-eating peers.​

When a person ingests a large dose of any single amino acid,absorption of others of its type may be limited.​

All of the following cause denaturation of proteins except:​

For the majority of exercisers,adding excess protein or amino acid supplements to an adequate diet will stimulate muscle building.​

The body is able to make all of the 20 amino acids needed from fragments derived from carbohydrate and fat.​

Legumes are a good source of protein,many B vitamins,iron,and other minerals,making them exceptionally nutritious foods.​

A child suffering from protein deficiency develops edema.This is an example of protein's role in:​

Some foods are so high in acid that they are capable of making the acid in the stomach even stronger.​

Removing the grain protein gluten from the diet has been shown to:​

What is the DRI for protein for a 40-year-old male who is 6'4" tall and weighs 180 pounds?​

When amino acids are degraded for energy,their amine groups are stripped off and used elsewhere or incorporated by the liver into:​

Growing children are in negative nitrogen balance because they need more protein for adding blood,bone,and muscle cells.​

The DRI for protein for healthy adults is _____ gram(s)per kilogram of body weight.​

For athletes,the path to bigger muscles includes​

When considering the digestion and absorption of proteins,it is important to know that:​

A 135-pound woman who is 38 years old needs how much protein?​

Sickle-cell disease is an example of an inherited variation in the amino acid sequence.​

Food Choices and Human Health

Nutrition Tools Standards and Guidelines

The Remarkable Body

The Carbohydrates Sugar Starch Glycogen and Fiber

The Lipids Fats Oils Phospholipids and Sterols

The Vitamins

Water and Minerals

Energy Balance and Healthy Body Weight

Performance Nutrition

Diet and Health

Food Safety and Food Technology

Life Cycle Nutrition Mother and Infant

Child Teen and Older Adult

Hunger and the Global Environment

Filters

The body normally makes tyrosine from the essential amino acid:

The process of protein turnover includes:

Overconsumption of protein-rich foods offers no benefits and may pose health risks,particularly for weakened kidneys.

The growth of well-fed vegetarian children is similar to that of their meat-eating peers.

When a person ingests a large dose of any single amino acid,absorption of others of its type may be limited.

All of the following cause denaturation of proteins except:

For the majority of exercisers,adding excess protein or amino acid supplements to an adequate diet will stimulate muscle building.

The body is able to make all of the 20 amino acids needed from fragments derived from carbohydrate and fat.

Legumes are a good source of protein,many B vitamins,iron,and other minerals,making them exceptionally nutritious foods.

A child suffering from protein deficiency develops edema.This is an example of protein's role in:

Some foods are so high in acid that they are capable of making the acid in the stomach even stronger.

Removing the grain protein gluten from the diet has been shown to:

What is the DRI for protein for a 40-year-old male who is 6'4" tall and weighs 180 pounds?

When amino acids are degraded for energy,their amine groups are stripped off and used elsewhere or incorporated by the liver into:

Growing children are in negative nitrogen balance because they need more protein for adding blood,bone,and muscle cells.

The DRI for protein for healthy adults is _____ gram(s)per kilogram of body weight.

For athletes,the path to bigger muscles includes

When considering the digestion and absorption of proteins,it is important to know that:

A 135-pound woman who is 38 years old needs how much protein?

Sickle-cell disease is an example of an inherited variation in the amino acid sequence.