Question 1

The joining of amino acids in a peptide bond is an example of the process of hydrolysis.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is not true of carbohydrates?

Accepted Answer

A)   They include substances commonly called sugars.
B)   They are the body's primary source of energy.
C)   They are a part of both DNA and RNA.
D)   All of the above are true of carbohydrates.E) All of the above
F) A) and D)

Question 3

Proteins are composed of ____ commonly occurring amino acids.

Accepted Answer

A)   10
B)   18
C)   21
D)   22E) A) and B)
F) A) and D)

Question 4

Which of the following is not one of the major groups of organic substances in the human body?

Accepted Answer

A)   Proteins
B)   Salts
C)   Lipids
D)   Nucleic acidsE) All of the above
F) A) and C)

Question 5

Both triglycerides and prostaglandins can contain unsaturated fat.

Accepted Answer

A) True 
 B)False

Question 6

Sugars and starches are both considered to be carbohydrates.

Accepted Answer

A) True 
 B)False

Question 7

Both phospholipids and steroids are found in cell membranes.

Accepted Answer

A) True 
 B)False

Question 8

Steroids are often called tissue hormones.

Accepted Answer

A) True 
 B)False

Question 9

When two molecules of glucose are joined, they form which disaccharide?

Accepted Answer

A)   Sucrose
B)   Maltose
C)   Lactose
D)   FructoseE) B) and C)
F) A) and D)

Question 10

The term glycoprotein, a combination of two words, tells you that the compound is made of _____, with _____ being the dominant component.

Accepted Answer

A)   a lipid and a protein; the lipid
B)   carbohydrate and protein; carbohydrate
C)   a lipid and a protein; the protein
D)   carbohydrate and protein; proteinE) All of the above
F) B) and C)

Question 11

Glycogen and starch are both examples of polysaccharides.

Accepted Answer

A) True 
 B)False

Question 12

A denatured protein has lost its functional shape.

Accepted Answer

A) True 
 B)False

Question 13

A saturated fat is saturated with hydrogen atoms.

Accepted Answer

A) True 
 B)False

Question 14

Match each term to its corresponding descriptive phrase.
-Molecule that is the body's usual source of direct energy

Accepted Answer

A)  RNA
B)  DNA
C)  Carbohydrate
D)  Fat
E)  SteroidF) ProteinG) ProstaglandinsH) ATPI) All of the above
J) A) and D)

Question 15

Which of the following is not a major function of protein?

Accepted Answer

A)   Provides structure for the body
B)   Acts as a catalyst for chemical reactions in the form of enzymes
C)   Provides energy for the body
D)   All of the above are functions of protein.E) A) and B)
F) None of the above

Question 16

Phospholipids have a fat-soluble end and a water-soluble end.

Accepted Answer

A) True 
 B)False

Question 17

Which lipid acts as a "tissue hormone"?

Accepted Answer

A)   Triglyceride
B)   Prostaglandin
C)   Steroid
D)   PhospholipidE) A) and D)
F) C) and D)

Question 18

If one side of a DNA molecule is A-T-C-G-G-T-C-A-G, what would the bases be on the other side of the molecule? On what do you base your answer?

Accepted Answer

The answer of If one side of a DNA molecule...

Question 19

Match each term to its corresponding descriptive phrase.
-Nucleic acid that contains thymine and deoxyribose sugar

Accepted Answer

A)  RNA
B)  DNA
C)  Carbohydrate
D)  Fat
E)  SteroidF) ProteinG) ProstaglandinsH) ATPI) B) and E)
J) C) and G)

Question 20

List the types of lipids, and give a function for each type.

Accepted Answer

The answer of List the types of lipids, and give...

Exam 4: Biomolecules

The term glycoprotein, a combination of two words, tells you that the compound is made of _____, with _____ being the dominant component.

Correct AnswerverifiedShow Answer

Both phospholipids and steroids are found in cell membranes.

Correct AnswerverifiedShow Answer

Glycogen and starch are both examples of polysaccharides.

Correct AnswerverifiedShow Answer

Both triglycerides and prostaglandins can contain unsaturated fat.

Correct AnswerverifiedShow Answer

Which of the following is not true of carbohydrates?

Correct AnswerverifiedShow Answer

Which of the following is not one of the major groups of organic substances in the human body?

Correct AnswerverifiedShow Answer

Match each term to its corresponding descriptive phrase. -Nucleic acid that contains thymine and deoxyribose sugar

Correct AnswerverifiedShow Answer

The joining of amino acids in a peptide bond is an example of the process of hydrolysis.

Correct AnswerverifiedShow Answer

List the types of lipids, and give a function for each type.

Correct AnswerverifiedShow Answer

A denatured protein has lost its functional shape.

Correct AnswerverifiedShow Answer

Match each term to its corresponding descriptive phrase. -Molecule that is the body's usual source of direct energy

Correct AnswerverifiedShow Answer

A saturated fat is saturated with hydrogen atoms.

Correct AnswerverifiedShow Answer

Steroids are often called tissue hormones.

Correct AnswerverifiedShow Answer

Which lipid acts as a "tissue hormone"?

Correct AnswerverifiedShow Answer

Phospholipids have a fat-soluble end and a water-soluble end.

Correct AnswerverifiedShow Answer

Proteins are composed of ____ commonly occurring amino acids.

Correct AnswerverifiedShow Answer

If one side of a DNA molecule is A-T-C-G-G-T-C-A-G, what would the bases be on the other side of the molecule? On what do you base your answer?

Correct AnswerverifiedShow Answer

Which of the following is not a major function of protein?

Correct AnswerverifiedShow Answer

Sugars and starches are both considered to be carbohydrates.

Correct AnswerverifiedShow Answer

When two molecules of glucose are joined, they form which disaccharide?

Correct AnswerverifiedShow Answer

The term glycoprotein, a combination of two words, tells you that the compound is made of _, with _ being the dominant component.

Correct Answer
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