Question 1

Which amino acid has been advertised in the popular media for treating insomnia and depression?

Accepted Answer

A)   glycine
B)   arginine
C)   tryptophan
D)   phenylalanine
E)   prolineF) B) and D)
G) A) and E)

Question 2

The tangled shape of a polypeptide is its ________ structure, which gives it maximum stability.

Accepted Answer

A)   primary
B)   secondary
C)   tertiary
D)   quaternary
E)   denaturalizedF) A) and C)
G) A) and B)

Question 3

Which of the following is NOT an assumption made in the formulation of the RDA for protein?

Accepted Answer

A)   People are healthy and do not have unusual metabolic needs for protein.
B)   Dietary protein is of mixed quality.
C)   Dietary carbohydrate and fat intakes are adequate.
D)   The body will use protein efficiently.
E)   Dietary protein needs are lower in infants and children.F) B) and D)
G) None of the above

Question 4

Compare and contrast essential, nonessential, and conditionally essential amino acids. Include examples of each

Accepted Answer

More than half of the amino acids are no...

Question 5

The production of urea hits its maximum rate at intakes approaching ________ grams of protein per day.

Accepted Answer

A)   5
B)   50
C)   100
D)   250
E)   500F) A) and E)
G) D) and E)

Question 6

The digestibility of most animal proteins is ________.

Accepted Answer

A)   50 to 59%
B)   60 to 69%
C)   70 to 79%
D)   80 to 89%
E)   90 to 99%F) All of the above
G) A) and B)

Question 7

A diet that restricts phenylalanine and supplies tyrosine is the only current treatment for people born with the single-gene disorder ________.

Accepted Answer

A)   DNA
B)   ALC
C)   NLM
D)   PKU
E)   BHAF) All of the above
G) A) and E)

Question 8

Describe the relationship between protein turnover and nitrogen balance. How does nitrogen balance differ among infants, adults, and those who are injured or on weight-loss diets?

Accepted Answer

Protein turnover and nitrogen balance go...

Question 9

Which disease is caused by a sequencing error in the structure of hemoglobin, which changes its shape and characteristics?

Accepted Answer

A)   diabetes
B)   marasmus
C)   phenylketonuria
D)   sickle-cell anemia
E)   hemolytic anemiaF) A) and B)
G) C) and D)

Question 10

A ________ provides a standard against which to measure the quality of other proteins.

Accepted Answer

The answer of A ________ provides a standard against which...

Question 11

An example of a protein with quaternary polypeptide structures is _____.

Accepted Answer

A)   insulin
B)   tryptophan
C)   hemoglobin
D)   disulfide bridges
E)   valineF) B) and E)
G) A) and E)

Question 12

Match between columns
                        Premises: Element found in some amino acids
Organic acid with a carbon group
Globular protein that accounts for 80% of the body's iron
Neurotransmitter that regulates sleep
A typical limiting amino acid
Combination of ammonia and carbon dioxide
A dietary nonessential amino acid
High-quality plant protein
A condition of protein malnutrition
Degradation and synthesis of protein
Nonessential amino acid supplied by diet in special circumstances
Disease caused by sequencing errors
Low-quality animal protein
Term for two or more amino acids bonded together
When messenger RNA sequences amino acids
An amino acid that may lower blood pressure
When messenger RNA is made from DNA
When a cell converts genetic code into RNA and protein
Enzyme active in the stomach
Change in protein when agitated

Accepted Answer

The Answer of Transcription and Arginine and Marasmus and Denaturation is...

Question 13

What is the average daily protein intake in United States?

Accepted Answer

A)   50 g
B)   65 g
C)   80 g
D)   125 g
E)   175 gF) B) and E)
G) A) and B)

Question 14

Which term refers to the change in a protein's shape due to the application of heat or acid?

Accepted Answer

A)   oxygenation
B)   condensation
C)   denaturation
D)   destabilization
E)   hydrolyzationF) A) and D)
G) B) and E)

Question 15

How do proteins regulate fluid balance?

Accepted Answer

A)   Proteins are hydrophilic.
B)   Water attracts proteins.
C)   Water degrades proteins.
D)   Proteins form polymers of water.
E)   Proteins are hydrophobic.F) B) and D)
G) C) and E)

Question 16

What is the most likely reason for a person to have abnormally high blood urea levels?

Accepted Answer

A)   liver dysfunction
B)   kidney dysfunction
C)   rapid weight gain
D)   protein intake one-tenth the RDA
E)   hyperstimulation of the immune systemF) A) and E)
G) A) and C)

Question 17

About how much protein is provided by 1 cup of milk?

Accepted Answer

A)   4 g
B)   8 g
C)   16 g
D)   32 g
E)   56 gF) B) and D)
G) C) and D)

Question 18

Which protein, acting as a hormone, regulates blood glucose?

Accepted Answer

A)   oxytocin
B)   prolactin
C)   thyroxine
D)   antidiuretic
E)   insulinF) A) and B)
G) A) and C)

Question 19

A bond that connects the acid end of one amino acid with the amino end of another, forming a link in a protein chain, is called a "________."

Accepted Answer

The answer of A bond that connects the acid end...

Question 20

Which nutrient participates in demethylation?

Accepted Answer

A)   folate
B)   a phytochemical in green tea
C)   lysine
D)   vitamin C
E)   ironF) A) and D)
G) A) and B)

Exam 6: Protein: Amino Acids

How do proteins regulate fluid balance?

Correct Answer
verified

Which of the following is NOT an assumption made in the formulation of the RDA for protein?

Correct Answer
verified

The production of urea hits its maximum rate at intakes approaching ________ grams of protein per day.

Correct Answer
verified

A ________ provides a standard against which to measure the quality of other proteins.

Correct Answer
verified

A diet that restricts phenylalanine and supplies tyrosine is the only current treatment for people born with the single-gene disorder ________.

Correct Answer
verified

The digestibility of most animal proteins is ________.

Correct Answer
verified

Which term refers to the change in a protein's shape due to the application of heat or acid?

Correct Answer
verified

Compare and contrast essential, nonessential, and conditionally essential amino acids. Include examples of each

Correct Answer
verified
More than half of the amino acids are no...
View Answer

Match the appropriate receptor to the correct description. Some choices may be used more than once.

Which nutrient participates in demethylation?

Correct Answer
verified

An example of a protein with quaternary polypeptide structures is _____.

Correct Answer
verified

Which disease is caused by a sequencing error in the structure of hemoglobin, which changes its shape and characteristics?

Correct Answer
verified

The tangled shape of a polypeptide is its ________ structure, which gives it maximum stability.

Correct Answer
verified

Describe the relationship between protein turnover and nitrogen balance. How does nitrogen balance differ among infants, adults, and those who are injured or on weight-loss diets?

Correct Answer
verified
Protein turnover and nitrogen balance go...
View Answer

A bond that connects the acid end of one amino acid with the amino end of another, forming a link in a protein chain, is called a "________."

Correct Answer
verified

What is the most likely reason for a person to have abnormally high blood urea levels?

Correct Answer
verified

Which protein, acting as a hormone, regulates blood glucose?

Correct Answer
verified

What is the average daily protein intake in United States?

Correct Answer
verified

Which amino acid has been advertised in the popular media for treating insomnia and depression?

Correct Answer
verified

About how much protein is provided by 1 cup of milk?

Correct Answer
verified

Exam 6: Protein: Amino Acids

How do proteins regulate fluid balance?

Correct AnswerverifiedShow Answer

Which of the following is NOT an assumption made in the formulation of the RDA for protein?

Correct AnswerverifiedShow Answer

The production of urea hits its maximum rate at intakes approaching ________ grams of protein per day.

Correct AnswerverifiedShow Answer

A ________ provides a standard against which to measure the quality of other proteins.

Correct AnswerverifiedShow Answer

A diet that restricts phenylalanine and supplies tyrosine is the only current treatment for people born with the single-gene disorder ________.

Correct AnswerverifiedShow Answer

The digestibility of most animal proteins is ________.

Correct AnswerverifiedShow Answer

Which term refers to the change in a protein's shape due to the application of heat or acid?

Correct AnswerverifiedShow Answer

Compare and contrast essential, nonessential, and conditionally essential amino acids. Include examples of each

Correct AnswerverifiedMore than half of the amino acids are no...View AnswerShow Answer

Match the appropriate receptor to the correct description. Some choices may be used more than once.

Which nutrient participates in demethylation?

Correct AnswerverifiedShow Answer

An example of a protein with quaternary polypeptide structures is _____.

Correct AnswerverifiedShow Answer

Which disease is caused by a sequencing error in the structure of hemoglobin, which changes its shape and characteristics?

Correct AnswerverifiedShow Answer

The tangled shape of a polypeptide is its ________ structure, which gives it maximum stability.

Correct AnswerverifiedShow Answer

Describe the relationship between protein turnover and nitrogen balance. How does nitrogen balance differ among infants, adults, and those who are injured or on weight-loss diets?

Correct AnswerverifiedProtein turnover and nitrogen balance go...View AnswerShow Answer

A bond that connects the acid end of one amino acid with the amino end of another, forming a link in a protein chain, is called a "________."

Correct AnswerverifiedShow Answer

What is the most likely reason for a person to have abnormally high blood urea levels?

Correct AnswerverifiedShow Answer

Which protein, acting as a hormone, regulates blood glucose?

Correct AnswerverifiedShow Answer

What is the average daily protein intake in United States?

Correct AnswerverifiedShow Answer

Which amino acid has been advertised in the popular media for treating insomnia and depression?

Correct AnswerverifiedShow Answer

About how much protein is provided by 1 cup of milk?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
More than half of the amino acids are no...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Protein turnover and nitrogen balance go...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified