Question 1

A common genetic variation that causes a change in the amino acid sequence in the structure of hemoglobin leads to the disease ____. ​

Accepted Answer

A) diabetes 
B) marasmus 
C) phenylketonuria 
D) sickle-cell anemia 
A) diabetes 
B) marasmus 
C) phenylketonuria 
D) sickle-cell anemia

Question 2

Excessive amounts of homocysteine in the blood are thought to increase the risk for ____. ​

Accepted Answer

A) cancer 
B) diabetes 
C) heart disease 
D) protein-energy malnutrition 
A) cancer 
B) diabetes 
C) heart disease 
D) protein-energy malnutrition

Question 3

The cellular process of silencing or activating genes is in part accomplished by ____.

Accepted Answer

A) DNA methylation 
B) multigene genomics 
C) translational sequencing 
D) a transcription-translation cycle 
A) DNA methylation 
B) multigene genomics 
C) translational sequencing 
D) a transcription-translation cycle

Question 4

A dispensable amino acid is one that ____.

Accepted Answer

A) is not needed by the body 
B) can be synthesized by the body 
C) can be used to synthesize an indispensable amino acid 
D) cannot be synthesized by the body because of a genetic defect 
A) is not needed by the body 
B) can be synthesized by the body 
C) can be used to synthesize an indispensable amino acid 
D) cannot be synthesized by the body because of a genetic defect

Question 5

What is the percentage of total energy derived from protein in a diet containing 50 grams of protein and 2000 kcalories? ​

Accepted Answer

A) ​2.5 
B) ​5 
C) ​10 
D) ​20 
A) ​2.5 
B) ​5 
C) ​10 
D) ​20

Question 6

What is the fate of excess dietary protein? ​

Accepted Answer

A) After absorption, the liver will store the extra amino acids. 
B) After absorption, the extra amino acids will be rapidly degraded. 
C) Digestion will be decreased by 30 to 60 percent, resulting in less absorption. 
D) After absorption, extra proteins will be synthesized and stored for use when protein intake returns to normal. 
A) After absorption, the liver will store the extra amino acids. 
B) After absorption, the extra amino acids will be rapidly degraded. 
C) Digestion will be decreased by 30 to 60 percent, resulting in less absorption. 
D) After absorption, extra proteins will be synthesized and stored for use when protein intake returns to normal.

Question 7

Match between columns
                        Premises: an active protease

Accepted Answer

The Answer of edema and tyrosine and ribosome and buffer is...

Question 8

Explain how the amount of protein in one's diet would impact bone health.

Accepted Answer

Bones are comprised of both calcium and

Question 9

What class of macromolecule is an enzyme? ​

Accepted Answer

A) carbohydrate 
B) lipid 
C) protein 
D) nucleic acid 
A) carbohydrate 
B) lipid 
C) protein 
D) nucleic acid

Question 10

Are vegetables considered high-quality proteins? Explain your answer.

Accepted Answer

Vegetables are not considered high-quali

Question 11

Match between columns
                        Premises: describes protein exposed to severe heat

Accepted Answer

The Answer of edema and enzyme and  u rea is...

Question 12

How do proteins function as regulators of blood pH?

Accepted Answer

A) Proteins react with acids to produce uric acid, which can be excreted. 
B) Proteins bind hydrogen ions to prevent them from altering blood pH. 
C) Proteins attract acids out of the blood stream and into cells. 
D) Amino acids that are highly acidic or basic are specifically excreted. 
A) Proteins react with acids to produce uric acid, which can be excreted. 
B) Proteins bind hydrogen ions to prevent them from altering blood pH. 
C) Proteins attract acids out of the blood stream and into cells. 
D) Amino acids that are highly acidic or basic are specifically excreted.

Question 13

What amino acid supplement has been advertised in the popular media for treating herpes infections? ​

Accepted Answer

A) lysine 
B) arginine 
C) tryptophan 
D) phenylalanine 
A) lysine 
B) arginine 
C) tryptophan 
D) phenylalanine

Question 14

If protein needs are expressed per kilogram of body weight, what describes the requirements of infants?

Accepted Answer

A) less than adults 
B) similar to adults 
C) greater than adults 
D) less than adolescents 
A) less than adults 
B) similar to adults 
C) greater than adults 
D) less than adolescents

Question 15

Match between columns
                        Premises: substance that keeps the pH constant

Accepted Answer

The Answer of  u rea and denatured and collagen is...

Question 16

Why do proteins often function as carriers for lipids in the blood? ​

Accepted Answer

A) Proteins are required to activate pumps for lipids to gain entry into cells. 
B) Proteins prevent the lipids from being recognized as foreign to avert an immune response. 
C) Proteins in the carriers begin the digestion process as they move through the blood. 
D) Proteins protect the hydrophobic regions of the lipids to allow easy transport through the blood. 
A) Proteins are required to activate pumps for lipids to gain entry into cells. 
B) Proteins prevent the lipids from being recognized as foreign to avert an immune response. 
C) Proteins in the carriers begin the digestion process as they move through the blood. 
D) Proteins protect the hydrophobic regions of the lipids to allow easy transport through the blood.

Question 17

What is the composition of a tripeptide?

Accepted Answer

A) one amino acid with three carbons 
B) three amino acids bonded together 
C) one amino acid with three acid groups 
D) three small protein chains bonded together 
A) one amino acid with three carbons 
B) three amino acids bonded together 
C) one amino acid with three acid groups 
D) three small protein chains bonded together

Question 18

What is an example of protein denaturation?

Accepted Answer

A) the formation of a scab over a wound 
B) the change occurring in an enzyme to promote catalysis of a chemical reaction 
C) the alteration of the protein structure in hydrochloric acid 
D) the activation of protein synthesis after changes in gene expression 
A) the formation of a scab over a wound 
B) the change occurring in an enzyme to promote catalysis of a chemical reaction 
C) the alteration of the protein structure in hydrochloric acid 
D) the activation of protein synthesis after changes in gene expression

Question 19

What dispensable amino acid becomes essential in people with PKU? ​

Accepted Answer

A) glycine 
B) tyrosine 
C) arginine 
D) glutamine 
A) glycine 
B) tyrosine 
C) arginine 
D) glutamine

Question 20

A person who is starving is losing ____. ​

Accepted Answer

A) fat only 
B) glycogen only 
C) glycogen and fat only 
D) glycogen, protein, and fat 
A) fat only 
B) glycogen only 
C) glycogen and fat only 
D) glycogen, protein, and fat

Exam 6: Protein: Amino Acids

A common genetic variation that causes a change in the amino acid sequence in the structure of hemoglobin leads to the disease ____. ​

Excessive amounts of homocysteine in the blood are thought to increase the risk for ____. ​

The cellular process of silencing or activating genes is in part accomplished by ____.

A dispensable amino acid is one that ____.

What is the percentage of total energy derived from protein in a diet containing 50 grams of protein and 2000 kcalories? ​

What is the fate of excess dietary protein? ​

Explain how the amount of protein in one's diet would impact bone health.

What class of macromolecule is an enzyme? ​

Are vegetables considered high-quality proteins? Explain your answer.

How do proteins function as regulators of blood pH?

What amino acid supplement has been advertised in the popular media for treating herpes infections? ​

If protein needs are expressed per kilogram of body weight, what describes the requirements of infants?

Why do proteins often function as carriers for lipids in the blood? ​

What is the composition of a tripeptide?

What is an example of protein denaturation?

What dispensable amino acid becomes essential in people with PKU? ​

A person who is starving is losing ____. ​

An Overview of Nutrition

Planning a Healthy Diet

Digestion, Absorption, and Transport

The Carbohydrates: Sugar, 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

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, Childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Nutrition Care and Assessment

Nutrition Intervention

Medications, Diet-Drug Interactions, and Herbal Products

Enteral Nutrition Support

Parenteral Nutrition Support

Metabolic and Respiratory Stress

Upper Gastrointestinal Disorders

Lower Gastrointestinal Disorders

Liver Disease and Gallstones

Diabetes Mellitus

Cardiovascular Diseases

Kidney Diseases

Cancer and Hiv Infection

Filters

A common genetic variation that causes a change in the amino acid sequence in the structure of hemoglobin leads to the disease ____.

Excessive amounts of homocysteine in the blood are thought to increase the risk for ____.

What is the percentage of total energy derived from protein in a diet containing 50 grams of protein and 2000 kcalories?

What is the fate of excess dietary protein?

What class of macromolecule is an enzyme?

What amino acid supplement has been advertised in the popular media for treating herpes infections?

Why do proteins often function as carriers for lipids in the blood?

What dispensable amino acid becomes essential in people with PKU?

A person who is starving is losing ____.