Question 1

In the absence of oxygen,glucose is catabolized to

Accepted Answer

A) lactic acid. 
B) carbon dioxide and water. 
C) urea. 
D) fatty acid. 
A) lactic acid. 
B) carbon dioxide and water. 
C) urea. 
D) fatty acid.

Question 2

Which of the following describes the breakdown of glucose to lactic acid?

Accepted Answer

A) Aerobic 
B) Krebs cycle 
C) Glycolysis 
D) Gluconeogenesis 
A) Aerobic 
B) Krebs cycle 
C) Glycolysis 
D) Gluconeogenesis

Question 3

Starches,amylases,and disaccharidases are related to

Accepted Answer

A) carbohydrates. 
B) steroids. 
C) enzymes. 
D) peptides. 
A) carbohydrates. 
B) steroids. 
C) enzymes. 
D) peptides.

Question 4

Which of the following is not true of glycogen? Glycogen

Accepted Answer

A) is a storage form of glucose. 
B) is an alcohol to which three fatty acids attach,thereby forming a triglyceride. 
C) helps in the regulation of blood glucose. 
D) is stored within the liver and skeletal muscle. 
A) is a storage form of glucose. 
B) is an alcohol to which three fatty acids attach,thereby forming a triglyceride. 
C) helps in the regulation of blood glucose. 
D) is stored within the liver and skeletal muscle.

Question 5

Which of the following delivers cholesterol to non-hepatic tissue?

Accepted Answer

A) HDL 
B) LDL 
C) VLDL 
D) Fatty acids 
A) HDL 
B) LDL 
C) VLDL 
D) Fatty acids

Question 6

The best method for decreasing blood cholesterol level is to

Accepted Answer

A) decrease dietary intake of cholesterol. 
B) decrease dietary intake of saturated fat. 
C) increase protein intake. 
D) increase carbohydrate intake. 
A) decrease dietary intake of cholesterol. 
B) decrease dietary intake of saturated fat. 
C) increase protein intake. 
D) increase carbohydrate intake.

Question 7

Which group is correct?

Accepted Answer

A) Lipids: triglycerides and urea 
B) Polysaccharides: glycogen and glucose 
C) Amino acids: ammonia and glycerol 
D) Nitrogen-containing waste: urea and creatinine 
A) Lipids: triglycerides and urea 
B) Polysaccharides: glycogen and glucose 
C) Amino acids: ammonia and glycerol 
D) Nitrogen-containing waste: urea and creatinine

Question 8

Which of the following is true of base sequencing?

Accepted Answer

A) Occurs within the mitochondrion 
B) Occurs along the ribosome 
C) Stores the genetic code 
D) Is a function of the Krebs cycle 
A) Occurs within the mitochondrion 
B) Occurs along the ribosome 
C) Stores the genetic code 
D) Is a function of the Krebs cycle

Question 9

Which of the following is least related to the aerobic metabolism of glucose?

Accepted Answer

A) Intramitochondrial 
B) Ketones 
C) CO₂ + H₂O + ATP 
D) Oxygen 
A) Intramitochondrial 
B) Ketones 
C) CO₂ + H₂O + ATP 
D) Oxygen

Question 10

A strand of DNA reads ATTCGCAGG.A strand of mRNA reads

Accepted Answer

A) TAGGCGTCC. 
B) UUGGCGCUC. 
C) UTTCGCTCC. 
D) UAAGCGUCC. 
A) TAGGCGTCC. 
B) UUGGCGCUC. 
C) UTTCGCTCC. 
D) UAAGCGUCC.

Question 11

Dietary cellulose

Accepted Answer

A) is absorbed from the digestive tract and converted to glucose and fuels the cells. 
B) is converted to protein by the process of gluconeogenesis. 
C) is catabolized by the liver to ketone bodies. 
D) cannot be metabolized but is beneficial because it provides fiber and bulk. 
A) is absorbed from the digestive tract and converted to glucose and fuels the cells. 
B) is converted to protein by the process of gluconeogenesis. 
C) is catabolized by the liver to ketone bodies. 
D) cannot be metabolized but is beneficial because it provides fiber and bulk.

Question 12

Which of the following terms is most descriptive of ribose and deoxyribose?

Accepted Answer

A) Steroids 
B) Lipids 
C) Sugars 
D) Disaccharides 
A) Steroids 
B) Lipids 
C) Sugars 
D) Disaccharides

Question 13

Which of the following represents base pairing?

Accepted Answer

A) CCGTTACTG 
B) Sugar-phosphate,sugar-phosphate,sugar-phosphate 
C) Ribose-deoxyribose,ribose-deoxyribose,ribose-deoxyribose 
D) A-T,T-A,C-G,A-U 
A) CCGTTACTG 
B) Sugar-phosphate,sugar-phosphate,sugar-phosphate 
C) Ribose-deoxyribose,ribose-deoxyribose,ribose-deoxyribose 
D) A-T,T-A,C-G,A-U

Question 14

Which of the following is a waste product of the aerobic glucose metabolism?

Accepted Answer

A) ATP 
B) CO₂ 
C) Urea 
D) Glycogen 
A) ATP 
B) CO₂ 
C) Urea 
D) Glycogen

Question 15

Which of the following represents a base sequence of tRNA that will bind to mRNA UUU?

Accepted Answer

A) UUU 
B) AAA 
C) TTT 
D) CCC 
A) UUU 
B) AAA 
C) TTT 
D) CCC

Question 16

With which base can adenine pair?

Accepted Answer

A) Guanine 
B) Cytosine 
C) Ribose 
D) Uracil 
A) Guanine 
B) Cytosine 
C) Ribose 
D) Uracil

Question 17

Glucose is usually broken down to

Accepted Answer

A) make carbon dioxide. 
B) provide energy (ATP) for the working cells. 
C) use up urea. 
D) make glycogen. 
A) make carbon dioxide. 
B) provide energy (ATP) for the working cells. 
C) use up urea. 
D) make glycogen.

Question 18

Which of the following is least related to lactic acid?

Accepted Answer

A) Glycolysis 
B) Krebs cycle 
C) Anaerobic 
D) Cytoplasm 
A) Glycolysis 
B) Krebs cycle 
C) Anaerobic 
D) Cytoplasm

Question 19

tRNA reads the genetic code stored in

Accepted Answer

A) DNa. 
B) ribosomes. 
C) mRNA. 
D) nuclear membrane. 
A) DNa. 
B) ribosomes. 
C) mRNA. 
D) nuclear membrane.

Question 20

Which of the following is a monosaccharide that is measured as the "blood sugar"?

Accepted Answer

A) Glycerol 
B) Glycogen 
C) Glucose 
D) Lactose 
A) Glycerol 
B) Glycogen 
C) Glucose 
D) Lactose

Exam 4: Cell Metabolism

In the absence of oxygen,glucose is catabolized to

Which of the following describes the breakdown of glucose to lactic acid?

Starches,amylases,and disaccharidases are related to

Which of the following is not true of glycogen? Glycogen

Which of the following delivers cholesterol to non-hepatic tissue?

The best method for decreasing blood cholesterol level is to

Which group is correct?

Which of the following is true of base sequencing?

Which of the following is least related to the aerobic metabolism of glucose?

A strand of DNA reads ATTCGCAGG.A strand of mRNA reads

Dietary cellulose

Which of the following terms is most descriptive of ribose and deoxyribose?

Which of the following represents base pairing?

Which of the following is a waste product of the aerobic glucose metabolism?

Which of the following represents a base sequence of tRNA that will bind to mRNA UUU?

With which base can adenine pair?

Glucose is usually broken down to

Which of the following is least related to lactic acid?

tRNA reads the genetic code stored in

Which of the following is a monosaccharide that is measured as the "blood sugar"?

Introduction to the Human Body

Basic Chemistry

Cells

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

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