Question 1

What is the simplest amino acid?

Accepted Answer

A) Valine 
B) Glycine 
C) Alanine 
D) Methionine 
A) Valine 
B) Glycine 
C) Alanine 
D) Methionine

Question 2

Which of the following describes an association between protein intake and kidney function?

Accepted Answer

A) Low-protein diets increase the risk for kidney stone formation 
B) Restricting protein intake may slow the progression of kidney disease 
C) High protein intakes over the long term represent a risk factor for kidney disease 
D) Liberal protein intakes result in high urea production,which increases the long-term efficiency of the kidneys 
A) Low-protein diets increase the risk for kidney stone formation 
B) Restricting protein intake may slow the progression of kidney disease 
C) High protein intakes over the long term represent a risk factor for kidney disease 
D) Liberal protein intakes result in high urea production,which increases the long-term efficiency of the kidneys

Question 3

Your college dormitory roommate,James,told you that he's had anemia for quite some time and that it's from having abnormally-shaped hemoglobin.What type of anemia does James have?

Accepted Answer

A) Sickle-cell anemia 
B) Macrocytic anemia 
C) Iron-deficiency anemia 
D) Low oxygen-carrying anemia 
A) Sickle-cell anemia 
B) Macrocytic anemia 
C) Iron-deficiency anemia 
D) Low oxygen-carrying anemia

Question 4

Which of the following describes a relationship between protein/amino acids and heart disease?

Accepted Answer

A) Substituting soy protein for animal protein raises blood cholesterol levels 
B) High blood levels of the amino acid arginine are a risk factor for atherosclerosis 
C) High levels of homocysteine in food promote elevation of blood low-density lipoproteins 
D) Elevated blood homocysteine levels are associated with smoking cigarettes and drinking alcohol 
A) Substituting soy protein for animal protein raises blood cholesterol levels 
B) High blood levels of the amino acid arginine are a risk factor for atherosclerosis 
C) High levels of homocysteine in food promote elevation of blood low-density lipoproteins 
D) Elevated blood homocysteine levels are associated with smoking cigarettes and drinking alcohol

Question 5

A prominent result of transamination reactions is the synthesis of

Accepted Answer

A) essential amino acids. 
B) nonessential amino acids. 
C) neurotransmitters and hormones. 
D) both nonessential and essential amino acids. 
A) essential amino acids. 
B) nonessential amino acids. 
C) neurotransmitters and hormones. 
D) both nonessential and essential amino acids.

Question 6

Relative to animal proteins,which of the following amino acids is present in lesser amounts in proteins of legumes?

Accepted Answer

A) Alanine 
B) Isoleucine 
C) Tryptophan 
D) Glutamic acid 
A) Alanine 
B) Isoleucine 
C) Tryptophan 
D) Glutamic acid

Question 7

Which of the following is the most likely side effect of a high-protein,low-carbohydrate diet?

Accepted Answer

A) Diarrhea 
B) Increased thirst 
C) Nitrogen toxicity 
D) Increased water retention in the body 
A) Diarrhea 
B) Increased thirst 
C) Nitrogen toxicity 
D) Increased water retention in the body

Question 8

What is the usual fate of orally ingested enzyme supplements?

Accepted Answer

A) Digested by gastrointestinal proteases 
B) Rapidly degraded by salivary secretions 
C) Mostly absorbed in original form from the stomach 
D) Completely absorbed in original form from the jejunum 
A) Digested by gastrointestinal proteases 
B) Rapidly degraded by salivary secretions 
C) Mostly absorbed in original form from the stomach 
D) Completely absorbed in original form from the jejunum

Question 9

Which of the following describes the structure of an antibody?

Accepted Answer

A) Tripeptide 
B) Small nucleic acid 
C) Huge protein molecule 
D) Large peptide molecule 
A) Tripeptide 
B) Small nucleic acid 
C) Huge protein molecule 
D) Large peptide molecule

Question 10

What is the Daily Value for protein based on a 2000-kcalorie intake?

Accepted Answer

A) 25 g 
B) 50 g 
C) 75 g 
D) 100 g 
A) 25 g 
B) 50 g 
C) 75 g 
D) 100 g

Question 11

Approximately how many different amino acids are used in the synthesis of body proteins?

Accepted Answer

A) 5 
B) 10 
C) 20 
D) 35 
A) 5 
B) 10 
C) 20 
D) 35

Question 12

Your friend Jill has just joined her community college soccer team.How much protein should she consume each day?

Accepted Answer

A) 0.8 g/kg 
B) up to 1.0 g/kg 
C) 1.2-1.7 g/kg 
D) 2.5-2.9 g/kg 
A) 0.8 g/kg 
B) up to 1.0 g/kg 
C) 1.2-1.7 g/kg 
D) 2.5-2.9 g/kg

Question 13

What is the chief function of pepsin?

Accepted Answer

A) Emulsifies dietary proteins 
B) Activates hydrochloric acid 
C) Activates pancreatic proteases 
D) Cleaves proteins into smaller polypeptides 
A) Emulsifies dietary proteins 
B) Activates hydrochloric acid 
C) Activates pancreatic proteases 
D) Cleaves proteins into smaller polypeptides

Question 14

Gelatin is a poor-quality protein because it

Accepted Answer

A) lacks tryptophan. 
B) lacks methionine. 
C) is poorly digested. 
D) is poorly absorbed. 
A) lacks tryptophan. 
B) lacks methionine. 
C) is poorly digested. 
D) is poorly absorbed.

Question 15

Which of the following is a feature of hemoglobin?

Accepted Answer

A) It has no tertiary structure 
B) It holds the mineral calcium 
C) It is constructed of 4 polypeptide chains 
D) It has no primary or secondary structure 
A) It has no tertiary structure 
B) It holds the mineral calcium 
C) It is constructed of 4 polypeptide chains 
D) It has no primary or secondary structure

Question 16

The body's usual response to detection of antigens is to synthesize

Accepted Answer

A) mutations. 
B) antibodies. 
C) erythrocytes. 
D) whey protein. 
A) mutations. 
B) antibodies. 
C) erythrocytes. 
D) whey protein.

Question 17

What is opsin?

Accepted Answer

A) An antigen 
B) An antibody 
C) A light-sensitive protein 
D) A blood transport protein 
A) An antigen 
B) An antibody 
C) A light-sensitive protein 
D) A blood transport protein

Question 18

An example of a protein with quaternary polypeptide structures is

Accepted Answer

A) insulin. 
B) tryptophan. 
C) hemoglobin. 
D) disulfide bridges. 
A) insulin. 
B) tryptophan. 
C) hemoglobin. 
D) disulfide bridges.

What is the simplest amino acid?

Which of the following describes an association between protein intake and kidney function?

Your college dormitory roommate,James,told you that he's had anemia for quite some time and that it's from having abnormally-shaped hemoglobin.What type of anemia does James have?

Which of the following describes a relationship between protein/amino acids and heart disease?

A prominent result of transamination reactions is the synthesis of

Relative to animal proteins,which of the following amino acids is present in lesser amounts in proteins of legumes?

Which of the following is the most likely side effect of a high-protein,low-carbohydrate diet?

What is the usual fate of orally ingested enzyme supplements?

Which of the following describes the structure of an antibody?

What is the Daily Value for protein based on a 2000-kcalorie intake?

Approximately how many different amino acids are used in the synthesis of body proteins?

Your friend Jill has just joined her community college soccer team.How much protein should she consume each day?

What is the chief function of pepsin?

Gelatin is a poor-quality protein because it

Which of the following is a feature of hemoglobin?

The body's usual response to detection of antigens is to synthesize

What is opsin?

An example of a protein with quaternary polypeptide structures is

An Overview of Nutrition

Planning a Healthy Diet

Digestion, absorption, and Transport

The Carbohydrates: Sugars, starches, and Fibers

The Lipids: Triglycerides, phospholipids, and Sterols

Energy Metabolism

Energy Balance and Body Composition

Weight Management: Overweight, obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, d, e, and K

Water and the Major Minerals

The Trace Minerals

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters

Exam 6: Protein: Amino Acids

What is the simplest amino acid?

Which of the following describes an association between protein intake and kidney function?

Your college dormitory roommate,James,told you that he's had anemia for quite some time and that it's from having abnormally-shaped hemoglobin.What type of anemia does James have?

Which of the following describes a relationship between protein/amino acids and heart disease?

A prominent result of transamination reactions is the synthesis of

Relative to animal proteins,which of the following amino acids is present in lesser amounts in proteins of legumes?

Which of the following is the most likely side effect of a high-protein,low-carbohydrate diet?

What is the usual fate of orally ingested enzyme supplements?

Which of the following describes the structure of an antibody?

What is the Daily Value for protein based on a 2000-kcalorie intake?

Approximately how many different amino acids are used in the synthesis of body proteins?

Your friend Jill has just joined her community college soccer team.How much protein should she consume each day?

What is the chief function of pepsin?

Gelatin is a poor-quality protein because it

Which of the following is a feature of hemoglobin?

The body's usual response to detection of antigens is to synthesize

What is opsin?

An example of a protein with quaternary polypeptide structures is

An Overview of Nutrition

Planning a Healthy Diet

Digestion, absorption, and Transport

The Carbohydrates: Sugars, starches, and Fibers

The Lipids: Triglycerides, phospholipids, and Sterols

Energy Metabolism

Energy Balance and Body Composition

Weight Management: Overweight, obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, d, e, and K

Water and the Major Minerals

The Trace Minerals

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters