Question 1

_____ bonds are formed by dehydration synthesis between adjacent amino acids.

Accepted Answer

The answer of _____ bonds are formed by dehydration synthesis...

Question 2

All proteins are enzymes.

Accepted Answer

A) True 
 B)False

Question 3

The electrons of an atom are

Accepted Answer

A)  always equal to the number of neutrons in an atom.
B)  found in the nucleus.
C)  used to determine atomic number.
D)  positively charged.
E)  moving in pathways called orbitals.Learning Outcome: 02.01 Describe the properties of atoms and identify the relationships of the particles that they contain.F) A) and D)
G) C) and D)

Question 4

Which pertains to DNA but not to RNA?

Accepted Answer

A)  contains ribose
B)  contains adenine
C)  contains thymine
D)  contains uracil
E)  contains nucleotidesF) None of the above
G) A) and C)

Question 5

A student forgot to label a beaker containing a DNA solution and a beaker containing a glucose solution.If chemical analysis was performed to identify the contents of each beaker, which of the following would be found in the beaker of DNA but not in the beaker with glucose?

Accepted Answer

A)  amino acids
B)  hydrogen and oxygen atoms
C)  nitrogen and phosphorus
D)  fatty acids
E)  carbon atomsF) A) and D)
G) A) and E)

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Identify and provide specific examples of the classes of macromolecules that are associated with life.

Accepted Answer

The classes of macromolecules associated...

Question 8

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 9

Anything that occupies space and has mass is called

Accepted Answer

A)  an electron.
B)  living.
C)  matter.
D)  energy.
E)  space.Learning Outcome: 02.01 Describe the properties of atoms and identify the relationships of the particles that they contain.Learning Outcome: 02.02 Characterize elements and their isotopes.Topic: Basic ChemistryF) A) and B)
G) A) and C)

Question 10

If solution A has a lower pH compared to solution B, then solution A is more acidic than solutionB.

Accepted Answer

A) True 
 B)False

Question 11

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, 1F) A) and E)
G) C) and D)

Question 12

How many times more acidic is a solution with a pH of 3 than a solution with a pH of 6?

Accepted Answer

A)  3
B)  10
C)  1000
D)  36
E)  63F) A) and D)
G) None of the above

Question 13

Certain antibiotics are effective against bacteria that cause human infections because they target prokaryotic ribosomes.Discuss, in detail, how the drug attacking a pathogen's ribosomes will affect the cell.Discuss at least 3 specific detrimental results.

Accepted Answer

When certain antibiotics target prokaryo...

Question 14

A weak, attractive force between nearby molecules is called a/an

Accepted Answer

A)  hydrogen bond.
B)  covalent bond.
C)  ionic bond.
D)  peptide bond.
E)  glycosidic bond.F) B) and E)
G) A) and E)

Question 15

In _____ reproduction, offspring arise from the division of a single parent cell into two identical progeny cells.

Accepted Answer

The answer of In _____ reproduction, offspring arise from the...

Question 16

Atoms that gain or lose electrons become charged particles called _____.

Accepted Answer

The answer of Atoms that gain or lose electrons become...

Question 17

The atomic number equals the number of __________ an atom possesses.

Accepted Answer

A)  neutrons
B)  protons
C)  protons plus electrons
D)  neutrons plus protons
E)  electrons plus protonsF) B) and E)
G) A) and D)

Question 18

Replication is the cellular mechanism for making a copy of its DNA.

Accepted Answer

A) True 
 B)False

Question 19

What do H2O, NaCl, CO2, and HCl all have in common?

Accepted Answer

A)  all are salts
B)  all are acids
C)  all are gases
D)  all are inorganic
E)  all are solutesF) B) and D)
G) A) and B)

Question 20

What would be the valence number of electrons in the sulfur atom 3216S?

Accepted Answer

A)  2
B)  6
C)  8
D)  16
E)  32F) A) and B)
G) A) and C)

Exam 2: The Chemistry of Biology

Atoms that gain or lose electrons become charged particles called _____.

Correct AnswerverifiedShow Answer

A student forgot to label a beaker containing a DNA solution and a beaker containing a glucose solution.If chemical analysis was performed to identify the contents of each beaker, which of the following would be found in the beaker of DNA but not in the beaker with glucose?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

_____ bonds are formed by dehydration synthesis between adjacent amino acids.

Correct AnswerverifiedShow Answer

How many times more acidic is a solution with a pH of 3 than a solution with a pH of 6?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In _____ reproduction, offspring arise from the division of a single parent cell into two identical progeny cells.

Correct AnswerverifiedShow Answer

Certain antibiotics are effective against bacteria that cause human infections because they target prokaryotic ribosomes.Discuss, in detail, how the drug attacking a pathogen's ribosomes will affect the cell.Discuss at least 3 specific detrimental results.

Correct AnswerAnswered by ExamLex AIWhen certain antibiotics target prokaryo...View AnswerShow Answer

What do H2O, NaCl, CO2, and HCl all have in common?

Correct AnswerverifiedShow Answer

The electrons of an atom are

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A weak, attractive force between nearby molecules is called a/an

Correct AnswerverifiedShow Answer

Anything that occupies space and has mass is called

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Replication is the cellular mechanism for making a copy of its DNA.

Correct AnswerverifiedShow Answer

What would be the valence number of electrons in the sulfur atom 3216S?

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Which pertains to DNA but not to RNA?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The atomic number equals the number of __________ an atom possesses.

Correct AnswerverifiedShow Answer

All proteins are enzymes.

Correct AnswerverifiedShow Answer

If solution A has a lower pH compared to solution B, then solution A is more acidic than solutionB.

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Identify and provide specific examples of the classes of macromolecules that are associated with life.

Correct AnswerAnswered by ExamLex AIThe classes of macromolecules associated...View AnswerShow Answer

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

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When certain antibiotics target prokaryo...
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What do H₂O, NaCl, CO₂, and HCl all have in common?

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What would be the valence number of electrons in the sulfur atom ³²₁₆S?

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The classes of macromolecules associated...
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