Question 1

DNA

Accepted Answer

A) is double stranded and stores the genetic code. 
B) contains ribose as its sugar. 
C) is located within the cytoplasm. 
D) contains the following bases: cytosine,guanine,adenine,and uracil. 
A) is double stranded and stores the genetic code. 
B) contains ribose as its sugar. 
C) is located within the cytoplasm. 
D) contains the following bases: cytosine,guanine,adenine,and uracil. A

Question 2

Which of the following is not a carbohydrate term?

Accepted Answer

A) Glycogen 
B) Monosaccharide 
C) Glycerol 
D) Sucrose,maltose,and lactose 
A) Glycogen 
B) Monosaccharide 
C) Glycerol 
D) Sucrose,maltose,and lactose C

Question 3

Which of the following is characteristic of glycolysis?

Accepted Answer

A) Occurs within the cytoplasm 
B) Functions aerobically 
C) Converts protein to glucose 
D) Completely metabolizes glucose to CO₂,H₂O,and ATP 
A) Occurs within the cytoplasm 
B) Functions aerobically 
C) Converts protein to glucose 
D) Completely metabolizes glucose to CO₂,H₂O,and ATP A

Question 4

An -NH₂ group and a -COOH group are most characteristic of a(n)

Accepted Answer

A) fatty acid. 
B) amino acid. 
C) monosaccharide. 
D) ketoacid. 
A) fatty acid. 
B) amino acid. 
C) monosaccharide. 
D) ketoacid.

Question 5

Sucrose,lactose,and maltose are classified as

Accepted Answer

A) enzymes. 
B) disaccharides. 
C) peptides. 
D) nucleotides. 
A) enzymes. 
B) disaccharides. 
C) peptides. 
D) nucleotides.

Question 6

Which of the following processes forms the most ATP?

Accepted Answer

A) Glycolysis 
B) Conversion of glucose to glycogen 
C) Aerobic catabolism of glucose 
D) Catabolism of glucose to lactic acid 
A) Glycolysis 
B) Conversion of glucose to glycogen 
C) Aerobic catabolism of glucose 
D) Catabolism of glucose to lactic acid

Question 7

What does the following describe: Three long-chain fatty acids that are attached to a glycerol molecule?

Accepted Answer

A) Steroid 
B) Polysaccharide 
C) Pyrimidine 
D) Triglyceride 
A) Steroid 
B) Polysaccharide 
C) Pyrimidine 
D) Triglyceride

Question 8

Gluconeogenesis converts

Accepted Answer

A) glucose to amino acids for protein synthesis. 
B) glucose to fatty acids for storage of excess sugar as fat. 
C) body protein to glucose in an insulin-deficient state. 
D) ammonia to urea for excretion into the urine. 
A) glucose to amino acids for protein synthesis. 
B) glucose to fatty acids for storage of excess sugar as fat. 
C) body protein to glucose in an insulin-deficient state. 
D) ammonia to urea for excretion into the urine.

Question 9

Which of the following is characteristic of RNA but not DNA?

Accepted Answer

A) Deoxyribose 
B) Adenine and thymine 
C) Double stranded 
D) Uracil and adenine 
A) Deoxyribose 
B) Adenine and thymine 
C) Double stranded 
D) Uracil and adenine

Question 10

Which of the following is not a lipid or lipoid substance?

Accepted Answer

A) Steroids 
B) Vitamins A,D,E,and K 
C) Prostaglandins 
D) Ammonia 
A) Steroids 
B) Vitamins A,D,E,and K 
C) Prostaglandins 
D) Ammonia

Question 11

Cholesterol is

Accepted Answer

A) an essential amino acid. 
B) stored as glycogen. 
C) degraded to sucrose,lactose,and maltose. 
D) used to synthesize steroids. 
A) an essential amino acid. 
B) stored as glycogen. 
C) degraded to sucrose,lactose,and maltose. 
D) used to synthesize steroids.

Question 12

Which of the following is true of urea? Urea is

Accepted Answer

A) nitrogen containing. 
B) produced by hepatic cells. 
C) eliminated in the urine. 
D) All of the above are true. 
A) nitrogen containing. 
B) produced by hepatic cells. 
C) eliminated in the urine. 
D) All of the above are true.

Question 13

Which of the following represents a strand of DNA complementary to TTT CGC GGG TCG?

Accepted Answer

A) UUU GCG AAA UGC 
B) UUU GCG CCC AGC 
C) AAA GCG CCC AGC 
D) AAA GCG CCC UGC 
A) UUU GCG AAA UGC 
B) UUU GCG CCC AGC 
C) AAA GCG CCC AGC 
D) AAA GCG CCC UGC

Question 14

Adenine,uracil,cytosine,and guanine are

Accepted Answer

A) sugars used to synthesize nucleotides. 
B) bases of RNA. 
C) nonessential amino acids. 
D) ketone bodies. 
A) sugars used to synthesize nucleotides. 
B) bases of RNA. 
C) nonessential amino acids. 
D) ketone bodies.

Question 15

Which of the following is least related to urea?

Accepted Answer

A) Hepatic synthesis 
B) Nitrogenous waste 
C) Chemical formula is NH₄+ 
D) Excreted in the urine 
A) Hepatic synthesis 
B) Nitrogenous waste 
C) Chemical formula is NH₄+ 
D) Excreted in the urine

Question 16

Transcription

Accepted Answer

A) occurs within the nucleus. 
B) involves DNA and mRNA. 
C) involves tRNA and mRNA. 
D) Both A and B are true. 
A) occurs within the nucleus. 
B) involves DNA and mRNA. 
C) involves tRNA and mRNA. 
D) Both A and B are true.

Question 17

Monosaccharides

Accepted Answer

A) include glucose,fructose,and galactose. 
B) include sucrose,lactose,and maltose. 
C) are classified as saturated and unsaturated. 
D) are carbohydrate-splitting enzymes. 
A) include glucose,fructose,and galactose. 
B) include sucrose,lactose,and maltose. 
C) are classified as saturated and unsaturated. 
D) are carbohydrate-splitting enzymes.

Question 18

Which of the following is descriptive of monosaccharides?

Accepted Answer

A) They are fatty acids. 
B) They are stored as glycogen. 
C) They are joined together by peptide bonds. 
D) The most important is trypsin. 
A) They are fatty acids. 
B) They are stored as glycogen. 
C) They are joined together by peptide bonds. 
D) The most important is trypsin.

Question 19

What does the following describe: Alanine-leucine-cysteine-phenylalanine-proline-arginine?

Accepted Answer

A) Fatty acid 
B) Peptide 
C) Disaccharide 
D) Nucleotide 
A) Fatty acid 
B) Peptide 
C) Disaccharide 
D) Nucleotide

Question 20

Which of the following is descriptive of cholesterol?

Accepted Answer

A) Protein 
B) Functions as an enzyme 
C) Can be synthesized by the liver 
D) Primary sequence and peptide bonds 
A) Protein 
B) Functions as an enzyme 
C) Can be synthesized by the liver 
D) Primary sequence and peptide bonds

Exam 4: Cell Metabolism

DNA

Which of the following is not a carbohydrate term?

Which of the following is characteristic of glycolysis?

An -NH₂ group and a -COOH group are most characteristic of a(n)

Sucrose,lactose,and maltose are classified as

Which of the following processes forms the most ATP?

What does the following describe: Three long-chain fatty acids that are attached to a glycerol molecule?

Gluconeogenesis converts

Which of the following is characteristic of RNA but not DNA?

Which of the following is not a lipid or lipoid substance?

Cholesterol is

Which of the following is true of urea? Urea is

Which of the following represents a strand of DNA complementary to TTT CGC GGG TCG?

Adenine,uracil,cytosine,and guanine are

Which of the following is least related to urea?

Transcription

Monosaccharides

Which of the following is descriptive of monosaccharides?

What does the following describe: Alanine-leucine-cysteine-phenylalanine-proline-arginine?

Which of the following is descriptive of cholesterol?

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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