Question 1

Any of the following can be used by the body for the synthesis of a nonessential amino acid EXCEPT

Accepted Answer

A) a fragment of fat. 
B) an essential mineral. 
C) an essential amino acid. 
D) a fragment of carbohydrate. 
A) a fragment of fat. 
B) an essential mineral. 
C) an essential amino acid. 
D) a fragment of carbohydrate. B

Question 2

Approximately what percentage of a person's genes are similar to those of an unrelated person?

Accepted Answer

A) 20 
B) 50 
C) 75 
D) 99.9 
A) 20 
B) 50 
C) 75 
D) 99.9 D

Question 3

Proteins,because they attract hydrogen ions,can act as

Accepted Answer

A) acids. 
B) buffers. 
C) enzymes. 
D) antibodies. 
A) acids. 
B) buffers. 
C) enzymes. 
D) antibodies. B

Question 4

Dietary restriction of phenylalanine combined with adequate tyrosine is the usual treatment for people born with the disorder

Accepted Answer

A) DNA. 
B) ALC. 
C) NLM. 
D) PKU. 
A) DNA. 
B) ALC. 
C) NLM. 
D) PKU.

Question 5

Which of the following is characteristic of sickle-cell anemia?

Accepted Answer

A) The disorder can be serious but not fatal 
B) The disorder leads to depression of energy expenditure 
C) The abnormal structure of the hemoglobin alters the shape of the red blood cell 
D) The hemoglobin amino acid sequence is abnormal in all four of the polypeptide chains 
A) The disorder can be serious but not fatal 
B) The disorder leads to depression of energy expenditure 
C) The abnormal structure of the hemoglobin alters the shape of the red blood cell 
D) The hemoglobin amino acid sequence is abnormal in all four of the polypeptide chains

Question 6

The conditions known as acidosis and alkalosis refer to a disruption of the body's

Accepted Answer

A) pH balance. 
B) protein balance. 
C) nitrogen balance. 
D) endogenous metabolism. 
A) pH balance. 
B) protein balance. 
C) nitrogen balance. 
D) endogenous metabolism.

Question 7

Which of the following could NOT be a limiting amino acid in the diet?

Accepted Answer

A) Lysine 
B) Glycine 
C) Threonine 
D) Tryptophan 
A) Lysine 
B) Glycine 
C) Threonine 
D) Tryptophan

Question 8

What is the process whereby an amino group is combined with a keto acid to form an amino acid?

Accepted Answer

A) Deamination 
B) Ureagenesis 
C) Transamination 
D) Ammoniogenesis 
A) Deamination 
B) Ureagenesis 
C) Transamination 
D) Ammoniogenesis

Question 9

Which of the following is a feature of the protein RDA?

Accepted Answer

A) The recommendations are generous 
B) It is highest proportionately for adult males 
C) It is established at 8 grams per kilogram of ideal body weight 
D) An assumption is made that dietary protein is from animal sources only 
A) The recommendations are generous 
B) It is highest proportionately for adult males 
C) It is established at 8 grams per kilogram of ideal body weight 
D) An assumption is made that dietary protein is from animal sources only

Question 10

Which of the following describes the state of nitrogen balance for a normal,healthy 35-year-old person who weighs 60 kg and consumes a diet that provides 75 g of protein and adequate energy?

Accepted Answer

A) Equilibrium 
B) Positive balance 
C) Negative balance 
D) Endogenous balance 
A) Equilibrium 
B) Positive balance 
C) Negative balance 
D) Endogenous balance

Question 11

What process results in the hardening of an egg when it is exposed to heat?

Accepted Answer

A) Solidification 
B) Denaturation 
C) Condensation 
D) Protein interaction 
A) Solidification 
B) Denaturation 
C) Condensation 
D) Protein interaction

Question 12

What is the percent digestibility of most animal proteins?

Accepted Answer

A) 50-65 
B) 70-75 
C) 80-85 
D) 90-99 
A) 50-65 
B) 70-75 
C) 80-85 
D) 90-99

Question 13

Which of the following is a characteristic of protein synthesis?

Accepted Answer

A) Mitochondria are bound to DNA to initiate peptide bond synthesis 
B) Messenger RNA is constructed from a DNA template to carry instructions 
C) Hormones carry messages from RNA to DNA to direct peptide bond synthesis 
D) RNA transfers up to 6 amino acids simultaneously to the mitochondria for peptide elongation 
A) Mitochondria are bound to DNA to initiate peptide bond synthesis 
B) Messenger RNA is constructed from a DNA template to carry instructions 
C) Hormones carry messages from RNA to DNA to direct peptide bond synthesis 
D) RNA transfers up to 6 amino acids simultaneously to the mitochondria for peptide elongation

Question 14

Which of the following is a feature of an essential amino acid?

Accepted Answer

A) It is not necessary in the diet 
B) It must be supplied by the diet 
C) It can be made from fat in the body 
D) It can be made from glucose in the body 
A) It is not necessary in the diet 
B) It must be supplied by the diet 
C) It can be made from fat in the body 
D) It can be made from glucose in the body

Question 15

If a person consumes 65 grams of protein and a total of 2700 kcalories per day,approximately what percentage of energy would be derived from protein?

Accepted Answer

A) 7 
B) 10 
C) 14 
D) 20 
A) 7 
B) 10 
C) 14 
D) 20

Question 16

Your father,who has a high blood ammonia concentration,most likely has a poorly functioning

Accepted Answer

A) liver. 
B) spleen. 
C) kidney. 
D) intestinal tract. 
A) liver. 
B) spleen. 
C) kidney. 
D) intestinal tract.

Question 17

Which of the following is a feature of the branched-chain amino acids?

Accepted Answer

A) They are all dispensable amino acids 
B) Large doses may suppress ammonia production 
C) They represent the major energy source for muscle tissue 
D) They may be helpful in treatment of advanced liver failure 
A) They are all dispensable amino acids 
B) Large doses may suppress ammonia production 
C) They represent the major energy source for muscle tissue 
D) They may be helpful in treatment of advanced liver failure

Question 18

What is the RDA for protein for a 48-kg woman?

Accepted Answer

A) 24 g 
B) 34 g 
C) 38 g 
D) 40 g 
A) 24 g 
B) 34 g 
C) 38 g 
D) 40 g

Question 19

Which of the following food proteins has the best assortment of essential amino acids for the human body?

Accepted Answer

A) Egg 
B) Rice 
C) Corn 
D) Gelatin 
A) Egg 
B) Rice 
C) Corn 
D) Gelatin

Question 20

Which of the following would describe the state of nitrogen balance of a person who ingested 16 g of food nitrogen and lost 19 g of nitrogen?

Accepted Answer

A) Equilibrium 
B) Positive balance 
C) Negative balance 
D) Exogenous balance 
A) Equilibrium 
B) Positive balance 
C) Negative balance 
D) Exogenous balance

Any of the following can be used by the body for the synthesis of a nonessential amino acid EXCEPT

Approximately what percentage of a person's genes are similar to those of an unrelated person?

Proteins,because they attract hydrogen ions,can act as

Dietary restriction of phenylalanine combined with adequate tyrosine is the usual treatment for people born with the disorder

Which of the following is characteristic of sickle-cell anemia?

The conditions known as acidosis and alkalosis refer to a disruption of the body's

Which of the following could NOT be a limiting amino acid in the diet?

What is the process whereby an amino group is combined with a keto acid to form an amino acid?

Which of the following is a feature of the protein RDA?

Which of the following describes the state of nitrogen balance for a normal,healthy 35-year-old person who weighs 60 kg and consumes a diet that provides 75 g of protein and adequate energy?

What process results in the hardening of an egg when it is exposed to heat?

What is the percent digestibility of most animal proteins?

Which of the following is a characteristic of protein synthesis?

Which of the following is a feature of an essential amino acid?

If a person consumes 65 grams of protein and a total of 2700 kcalories per day,approximately what percentage of energy would be derived from protein?

Your father,who has a high blood ammonia concentration,most likely has a poorly functioning

Which of the following is a feature of the branched-chain amino acids?

What is the RDA for protein for a 48-kg woman?

Which of the following food proteins has the best assortment of essential amino acids for the human body?

Which of the following would describe the state of nitrogen balance of a person who ingested 16 g of food nitrogen and lost 19 g of nitrogen?

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

Any of the following can be used by the body for the synthesis of a nonessential amino acid EXCEPT

Approximately what percentage of a person's genes are similar to those of an unrelated person?

Proteins,because they attract hydrogen ions,can act as

Dietary restriction of phenylalanine combined with adequate tyrosine is the usual treatment for people born with the disorder

Which of the following is characteristic of sickle-cell anemia?

The conditions known as acidosis and alkalosis refer to a disruption of the body's

Which of the following could NOT be a limiting amino acid in the diet?

What is the process whereby an amino group is combined with a keto acid to form an amino acid?

Which of the following is a feature of the protein RDA?

Which of the following describes the state of nitrogen balance for a normal,healthy 35-year-old person who weighs 60 kg and consumes a diet that provides 75 g of protein and adequate energy?

What process results in the hardening of an egg when it is exposed to heat?

What is the percent digestibility of most animal proteins?

Which of the following is a characteristic of protein synthesis?

Which of the following is a feature of an essential amino acid?

If a person consumes 65 grams of protein and a total of 2700 kcalories per day,approximately what percentage of energy would be derived from protein?

Your father,who has a high blood ammonia concentration,most likely has a poorly functioning

Which of the following is a feature of the branched-chain amino acids?

What is the RDA for protein for a 48-kg woman?

Which of the following food proteins has the best assortment of essential amino acids for the human body?

Which of the following would describe the state of nitrogen balance of a person who ingested 16 g of food nitrogen and lost 19 g of nitrogen?

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