Question 1

Which of the following functional groups is mismatched to the organic compound?

Accepted Answer

A) phosphate - carbohydrates 
B) sulfhydryl - proteins 
C) amino - proteins 
D) hydroxyl - alcohols 
E) carboxyl - fatty acids 
A) phosphate - carbohydrates 
B) sulfhydryl - proteins 
C) amino - proteins 
D) hydroxyl - alcohols 
E) carboxyl - fatty acids

Question 2

A fat is called _____ if all carbons of the fatty acid chain are single bonded to 2 other carbons and 2 hydrogens.

Accepted Answer

The answer of A fat is called _____ if all...

Question 3

A monosaccharide with 5 carbon atoms will have _____ hydrogen atoms and _____ oxygen atoms.

Accepted Answer

A) 10; 5 
B) 5; 10 
C) 5; 5 
D) 10; 10 
E) 2; 1 
A) 10; 5 
B) 5; 10 
C) 5; 5 
D) 10; 10 
E) 2; 1

Question 4

Which of the following is the stored form of carbohydrates in animals?

Accepted Answer

A) glycogen 
B) maltose 
C) starch 
D) cellulose 
E) galactose 
A) glycogen 
B) maltose 
C) starch 
D) cellulose 
E) galactose

Question 5

The neutrons of an atom are

Accepted Answer

A) always equal to the number of protons in an atom. 
B) found in the nucleus. 
C) used to determine atomic number. 
D) positively charged. 
E) moving in pathways called orbitals. 
A) always equal to the number of protons in an atom. 
B) found in the nucleus. 
C) used to determine atomic number. 
D) positively charged. 
E) moving in pathways called orbitals.

Question 6

One nucleotide contains

Accepted Answer

A) one phosphate. 
B) one pentose. 
C) one nitrogen base. 
D) All of these choices are correct. 
A) one phosphate. 
B) one pentose. 
C) one nitrogen base. 
D) All of these choices are correct.

Question 7

Two or more atoms bonded together are called a/an

Accepted Answer

A) ion. 
B) isotope. 
C) element. 
D) electrolyte. 
E) molecule. 
A) ion. 
B) isotope. 
C) element. 
D) electrolyte. 
E) molecule.

Question 8

The nucleic acid that delivers the correct amino acid to the ribosome for protein synthesis is

Accepted Answer

A) rRNA. 
B) DNA. 
C) tRNA. 
D) mRNA. 
E) ATP. 
A) rRNA. 
B) DNA. 
C) tRNA. 
D) mRNA. 
E) ATP.

Question 9

Which of the following represents a synthesis reaction?

Accepted Answer

A) AB → A + B 
B) A + B → AB 
C) AB + XY → AX + BY 
D) AB + XY ↔ AX + BY 
A) AB → A + B 
B) A + B → AB 
C) AB + XY → AX + BY 
D) AB + XY ↔ AX + BY

Question 10

All of the following are lipids except

Accepted Answer

A) cholesterol. 
B) starch. 
C) phospholipid. 
D) wax. 
E) triglyceride. 
A) cholesterol. 
B) starch. 
C) phospholipid. 
D) wax. 
E) triglyceride.

Question 11

Replication is the cellular process that copies the DNA prior to cell division.

Accepted Answer

A) True 
 B)False

Question 12

The only part of an amino acid that differs from other amino acids is its R group.

Accepted Answer

A) True 
 B)False

Question 13

What is the maximum number of electrons in the second energy shell of an atom?

Accepted Answer

A) 2 
B) 4 
C) 8 
D) 18 
E) 32 
A) 2 
B) 4 
C) 8 
D) 18 
E) 32

Question 14

Which of the following functional groups participate in the formation of an ester bond?

Accepted Answer

A) hydroxyl group and amino group 
B) carboxyl group and amino group 
C) hydroxyl group and carboxyl group 
D) hydroxyl group and carbonyl group 
A) hydroxyl group and amino group 
B) carboxyl group and amino group 
C) hydroxyl group and carboxyl group 
D) hydroxyl group and carbonyl group

Question 15

Jim needs to prepare one liter of a 4% NaCl solution.How much NaCl should he weigh out?

Accepted Answer

A) 0.4 grams 
B) 4.0 grams 
C) 40 grams 
D) 400 grams 
A) 0.4 grams 
B) 4.0 grams 
C) 40 grams 
D) 400 grams

Question 16

Nucleic acids have primary, secondary, tertiary, and quaternary levels of organization.

Accepted Answer

A) True 
 B)False

Question 17

Chemical analysis of an unidentified compound isolated from cells showed the presence of carbon, hydrogen, oxygen, nitrogen, and sulfur.This unknown compound is most likely a

Accepted Answer

A) carbohydrate. 
B) nucleic acid. 
C) lipid. 
D) protein. 
A) carbohydrate. 
B) nucleic acid. 
C) lipid. 
D) protein.

Question 18

The weak, attractive force between water molecules is due to

Accepted Answer

A) hydrogen bonds. 
B) covalent bonds. 
C) ionic bonds. 
D) peptide bonds. 
E) glycosidic bonds. 
A) hydrogen bonds. 
B) covalent bonds. 
C) ionic bonds. 
D) peptide bonds. 
E) glycosidic bonds.

Question 19

Which is not true about enzymes?

Accepted Answer

A) Enzymes are found in all cells. 
B) Enzymes are catalysts. 
C) Enzymes participate in the cell's chemical reactions. 
D) Enzymes can be denatured by heat and other agents. 
E) Enzymes have high-energy bonds between phosphates. 
A) Enzymes are found in all cells. 
B) Enzymes are catalysts. 
C) Enzymes participate in the cell's chemical reactions. 
D) Enzymes can be denatured by heat and other agents. 
E) Enzymes have high-energy bonds between phosphates.

Question 20

Which of the following represents an exchange reaction?

Accepted Answer

A) AB → A + B 
B) A + B → AB 
C) X + Y → XYD 
D) AB + XY ↔ AX + BY 
A) AB → A + B 
B) A + B → AB 
C) X + Y → XYD 
D) AB + XY ↔ AX + BY

Exam 2: The Chemistry of Biology

Which of the following functional groups is mismatched to the organic compound?

A fat is called _____ if all carbons of the fatty acid chain are single bonded to 2 other carbons and 2 hydrogens.

A monosaccharide with 5 carbon atoms will have _____ hydrogen atoms and _____ oxygen atoms.

Which of the following is the stored form of carbohydrates in animals?

The neutrons of an atom are

One nucleotide contains

Two or more atoms bonded together are called a/an

The nucleic acid that delivers the correct amino acid to the ribosome for protein synthesis is

Which of the following represents a synthesis reaction?

All of the following are lipids except

Replication is the cellular process that copies the DNA prior to cell division.

The only part of an amino acid that differs from other amino acids is its R group.

What is the maximum number of electrons in the second energy shell of an atom?

Which of the following functional groups participate in the formation of an ester bond?

Jim needs to prepare one liter of a 4% NaCl solution.How much NaCl should he weigh out?

Nucleic acids have primary, secondary, tertiary, and quaternary levels of organization.

Chemical analysis of an unidentified compound isolated from cells showed the presence of carbon, hydrogen, oxygen, nitrogen, and sulfur.This unknown compound is most likely a

The weak, attractive force between water molecules is due to

Which is not true about enzymes?

Which of the following represents an exchange reaction?

The Main Themes of Microbiology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host--The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

Filters

A monosaccharide with 5 carbon atoms will have _ hydrogen atoms and _ oxygen atoms.