Question 1

Approximately how many grams of protein are found in one quart of milk?

Accepted Answer

A) 5 
B) 12 
C) 25 
D) 32 
A) 5 
B) 12 
C) 25 
D) 32

Question 2

The incidence of PKU in infants in the United States is one in every

Accepted Answer

A) 15,000 births. 
B) 100,000 births. 
C) 500,000 births. 
D) 1,000,000 births. 
A) 15,000 births. 
B) 100,000 births. 
C) 500,000 births. 
D) 1,000,000 births.

Question 3

Which of the following describes the structure of pepsin?

Accepted Answer

A) Lipid 
B) Protein 
C) Nucleic acid 
D) Carbohydrate 
A) Lipid 
B) Protein 
C) Nucleic acid 
D) Carbohydrate

Question 4

Which of the following describes a process in protein synthesis?

Accepted Answer

A) The code to make a protein is carried by a strand of messenger RNA 
B) The final step in completing the protein is carried out in the mitochondria 
C) The function of transfer RNA is to assist in absorption of amino acids into the cell 
D) The DNA binds to ribosomes and directs uptake of specific amino acids to form the peptide chain 
A) The code to make a protein is carried by a strand of messenger RNA 
B) The final step in completing the protein is carried out in the mitochondria 
C) The function of transfer RNA is to assist in absorption of amino acids into the cell 
D) The DNA binds to ribosomes and directs uptake of specific amino acids to form the peptide chain

Question 5

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 6

What is the structure of an enzyme?

Accepted Answer

A) Lipid 
B) Protein 
C) Nucleic acid 
D) Carbohydrate 
A) Lipid 
B) Protein 
C) Nucleic acid 
D) Carbohydrate

Question 7

Which of the following is the primary factor that differentiates one amino acid from another?

Accepted Answer

A) The side group 
B) The central carbon atom 
C) The number of oxygen atoms 
D) The number of nitrogen atoms 
A) The side group 
B) The central carbon atom 
C) The number of oxygen atoms 
D) The number of nitrogen atoms

Question 8

Which of the following does NOT describe a feature of protein in nutrition?

Accepted Answer

A) The study of the body's proteins in known as proteomics 
B) Protein synthesis requires messenger RNA and transfer RNA 
C) Most of the body's thousands of proteins have been studied thoroughly 
D) The synthesis of a protein by following the genetic code is known as gene expression 
A) The study of the body's proteins in known as proteomics 
B) Protein synthesis requires messenger RNA and transfer RNA 
C) Most of the body's thousands of proteins have been studied thoroughly 
D) The synthesis of a protein by following the genetic code is known as gene expression

Question 9

A variation in a single nucleotide of a DNA strand is called a(n)

Accepted Answer

A) RNA switch. 
B) thymine substitution. 
C) environmental mutation. 
D) single nucleotide polymorphism. 
A) RNA switch. 
B) thymine substitution. 
C) environmental mutation. 
D) single nucleotide polymorphism.

Question 10

The cell 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 11

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 12

In what organ is pepsin active?

Accepted Answer

A) Stomach 
B) Pancreas 
C) Small intestine 
D) Large intestine 
A) Stomach 
B) Pancreas 
C) Small intestine 
D) Large intestine

Question 13

The following amino acids are linked together: glycine-lysine-valine.This compound is a

Accepted Answer

A) dipeptide. 
B) tripeptide. 
C) polypeptide. 
D) oligopeptide. 
A) dipeptide. 
B) tripeptide. 
C) polypeptide. 
D) oligopeptide.

Question 14

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%,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%,resulting in less absorption 
D) After absorption,extra proteins will be synthesized and stored for use when protein intake returns to normal

Question 15

Based on the range of protein intake as a percentage of energy intake,what would be the highest safe level of protein intake for a 60-kg adult ingesting 2500 kcalories?

Accepted Answer

A) 48 g 
B) 96 g 
C) 120 g 
D) 219 g 
A) 48 g 
B) 96 g 
C) 120 g 
D) 219 g

Question 16

When amino acids are deaminated,the immediate products are ammonia and often a

Accepted Answer

A) uric acid. 
B) keto acid. 
C) folic acid. 
D) gluco acid. 
A) uric acid. 
B) keto acid. 
C) folic acid. 
D) gluco acid.

Question 17

Which of the following do(es)NOT function as a transport protein?

Accepted Answer

A) Collagen 
B) Transferrin 
C) Hemoglobin 
D) Lipoproteins 
A) Collagen 
B) Transferrin 
C) Hemoglobin 
D) Lipoproteins

Question 18

Which of the following is NOT among factors known to raise homocysteine levels?

Accepted Answer

A) High folate intake 
B) Smoking cessation 
C) Arginine consumption 
D) Excess alcohol intake 
A) High folate intake 
B) Smoking cessation 
C) Arginine consumption 
D) Excess alcohol intake

Question 19

The cell's proteome consists of

Accepted Answer

A) all nucleotide bases. 
B) all the protein in the cell. 
C) the ratio of DNA to RNA. 
D) the protein metabolic apparatus. 
A) all nucleotide bases. 
B) all the protein in the cell. 
C) the ratio of DNA to RNA. 
D) the protein metabolic apparatus.

Question 20

Which of the following does NOT describe an association between protein nutrition and the body's water balance?

Accepted Answer

A) Inadequate protein intake may lead to edema. 
B) Insufficient protein synthesis by the liver may lead to edema. 
C) Excessive protein losses by the kidney may lead to dehydration. 
D) Excessive protein intake burdens the kidneys to excrete unused nitrogen. 
A) Inadequate protein intake may lead to edema. 
B) Insufficient protein synthesis by the liver may lead to edema. 
C) Excessive protein losses by the kidney may lead to dehydration. 
D) Excessive protein intake burdens the kidneys to excrete unused nitrogen.

Approximately how many grams of protein are found in one quart of milk?

The incidence of PKU in infants in the United States is one in every

Which of the following describes the structure of pepsin?

Which of the following describes a process in protein synthesis?

What dispensable amino acid becomes essential in people with PKU?

What is the structure of an enzyme?

Which of the following is the primary factor that differentiates one amino acid from another?

Which of the following does NOT describe a feature of protein in nutrition?

A variation in a single nucleotide of a DNA strand is called a(n)

The cell process of silencing or activating genes is in part accomplished by

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

In what organ is pepsin active?

The following amino acids are linked together: glycine-lysine-valine.This compound is a

What is the fate of excess dietary protein?

Based on the range of protein intake as a percentage of energy intake,what would be the highest safe level of protein intake for a 60-kg adult ingesting 2500 kcalories?

When amino acids are deaminated,the immediate products are ammonia and often a

Which of the following do(es)NOT function as a transport protein?

Which of the following is NOT among factors known to raise homocysteine levels?

The cell's proteome consists of

Which of the following does NOT describe an association between protein nutrition and the body's water balance?

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

Approximately how many grams of protein are found in one quart of milk?

The incidence of PKU in infants in the United States is one in every

Which of the following describes the structure of pepsin?

Which of the following describes a process in protein synthesis?

What dispensable amino acid becomes essential in people with PKU?

What is the structure of an enzyme?

Which of the following is the primary factor that differentiates one amino acid from another?

Which of the following does NOT describe a feature of protein in nutrition?

A variation in a single nucleotide of a DNA strand is called a(n)

The cell process of silencing or activating genes is in part accomplished by

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

In what organ is pepsin active?

The following amino acids are linked together: glycine-lysine-valine.This compound is a

What is the fate of excess dietary protein?

Based on the range of protein intake as a percentage of energy intake,what would be the highest safe level of protein intake for a 60-kg adult ingesting 2500 kcalories?

When amino acids are deaminated,the immediate products are ammonia and often a

Which of the following do(es)NOT function as a transport protein?

Which of the following is NOT among factors known to raise homocysteine levels?

The cell's proteome consists of

Which of the following does NOT describe an association between protein nutrition and the body's water balance?

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