Question 1

If one side of a DNA molecule is CTAGGCTG, the other side would be:

Accepted Answer

A) CTAGGCTG. 
B) GATCCGAC. 
C) CUAGGCUG. 
D) GAUCCGAC. 
A) CTAGGCTG. 
B) GATCCGAC. 
C) CUAGGCUG. 
D) GAUCCGAC.

Question 2

The basic building blocks of fats are:

Accepted Answer

A) monosaccharides. 
B) disaccharides. 
C) amino acids. 
D) fatty acids and glycerol. 
A) monosaccharides. 
B) disaccharides. 
C) amino acids. 
D) fatty acids and glycerol.

Question 3

A _____ is a functional group that is temporarily unattached and is highly reactive because of unpaired electrons.

Accepted Answer

A) hydroxyl 
B) phosphate 
C) amine group 
D) free radical 
A) hydroxyl 
B) phosphate 
C) amine group 
D) free radical

Question 4

The roles played by proteins can be divided into which categories?

Accepted Answer

A) Structural and functional 
B) Chemical and functional 
C) Structural and chemical 
D) Dehydration synthesis and hydrolysis 
A) Structural and functional 
B) Chemical and functional 
C) Structural and chemical 
D) Dehydration synthesis and hydrolysis

Question 5

The ability of proteins to perform their function depends on their shape or conformation.

Accepted Answer

A) True 
 B)False

Question 6

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; protein 
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; protein

Question 7

The body uses the steroid cholesterol to make hormones.

Accepted Answer

A) True 
 B)False

Question 8

Unsaturated fats:

Accepted Answer

A) contain all the hydrogen atoms they can hold. 
B) contain only single bonds between carbon atoms. 
C) are usually solids at room temperature. 
D) will kink or bend because of the double bonds between the carbon atoms. 
A) contain all the hydrogen atoms they can hold. 
B) contain only single bonds between carbon atoms. 
C) are usually solids at room temperature. 
D) will kink or bend because of the double bonds between the carbon atoms.

Question 9

Glycogen and starch are both examples of polysaccharides.

Accepted Answer

A) True 
 B)False

Question 10

Amino acids frequently become joined by:

Accepted Answer

A) peptide bonds. 
B) catabolic reactions. 
C) atrophic reactions. 
D) all of the above. 
A) peptide bonds. 
B) catabolic reactions. 
C) atrophic reactions. 
D) all of the above.

Question 11

DNA:

Accepted Answer

A) is a single strand of nucleotides. 
B) contains the sugar ribose. 
C) is a double-helix strand of nucleotides. 
D) transports amino acids during protein synthesis. 
A) is a single strand of nucleotides. 
B) contains the sugar ribose. 
C) is a double-helix strand of nucleotides. 
D) transports amino acids during protein synthesis.

Question 12

Amino acids get their name because they have an amino group (NH₃⁺) and an acid group (COO-).

Accepted Answer

A) True 
 B)False

Question 13

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. 
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.

Question 14

A saturated fat is saturated with hydrogen atoms.

Accepted Answer

A) True 
 B)False

Question 15

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) Steroid
F)Protein
G)Prostaglandins
H)ATP 
A) RNA 
B) DNA 
C) Carbohydrate 
D) Fat 
E) Steroid
F)Protein
G)Prostaglandins
H)ATP

Question 16

There are a total of 21 essential amino acids.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is not true of RNA?

Accepted Answer

A) It contains ribose sugar. 
B) It contains adenine. 
C) It is composed of smaller molecules called nucleotides. 
D) All of the above are true of RNA. 
A) It contains ribose sugar. 
B) It contains adenine. 
C) It is composed of smaller molecules called nucleotides. 
D) All of the above are true of RNA.

Question 18

Match each term to its corresponding descriptive phrase.
-Substance composed of a glycerol molecule and three fatty acid molecules

Accepted Answer

A) RNA 
B) DNA 
C) Carbohydrate 
D) Fat 
E) Steroid
F)Protein
G)Prostaglandins
H)ATP 
A) RNA 
B) DNA 
C) Carbohydrate 
D) Fat 
E) Steroid
F)Protein
G)Prostaglandins
H)ATP

Question 19

When two amino acids are joined, a peptide bond is formed and an H⁺ ion is released.

Accepted Answer

A) True 
 B)False

Question 20

Prostaglandins are associated with the prostate gland and therefore are not found in women.

Accepted Answer

A) True 
 B)False

Exam 4: Biomolecules

If one side of a DNA molecule is CTAGGCTG, the other side would be:

The basic building blocks of fats are:

A _____ is a functional group that is temporarily unattached and is highly reactive because of unpaired electrons.

The roles played by proteins can be divided into which categories?

The ability of proteins to perform their function depends on their shape or conformation.

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

The body uses the steroid cholesterol to make hormones.

Unsaturated fats:

Glycogen and starch are both examples of polysaccharides.

Amino acids frequently become joined by:

DNA:

Amino acids get their name because they have an amino group (NH₃⁺) and an acid group (COO-).

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

A saturated fat is saturated with hydrogen atoms.

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

There are a total of 21 essential amino acids.

Which of the following is not true of RNA?

Match each term to its corresponding descriptive phrase. -Substance composed of a glycerol molecule and three fatty acid molecules

When two amino acids are joined, a peptide bond is formed and an H⁺ ion is released.

Prostaglandins are associated with the prostate gland and therefore are not found in women.

Organization of the Body

Homeostasis

Chemistry of Life

Cell Structure

Cell Function

Cell Growth and Development

Introduction to Tissues

Tissue Types

Skin

Skeletal Tissues

Axial Skeleton

Appendicular Skeleton

Articulations

Axial Muscles

Appendicular Muscles

Muscle Contraction

Nervous System Cells

Nerve Signaling

Central Nervous System

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Autonomic Nervous System

General Senses

Special Senses

Endocrine Regulation

Endocrine Glands

Blood

Heart

Blood Vessels

Circulation of the Blood

Lymphatic System

Innate Immunity

Adaptive Immunity

Stress

Respiratory Tract

Ventilation

Gas Exchange Transport

Upper Digestive Tract

Lower Digestive Tract

Digestion and Absorption

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Male Reproductive System

Female Reproductive System

Growth, Development, and Aging

Genetics and Heredity

Filters

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