Question 1

ATP is best described as

Accepted Answer

A)  an enzyme.
B)  a double helix.
C)  an electron carrier.
D)  the energy molecule of cells.
E)  All of the choices are correct.F) B) and E)
G) C) and D)

Question 2

Water molecules are nonpolar molecules.

Accepted Answer

A) True 
 B)False

Question 3

Two or more atoms bonded together are called a/an

Accepted Answer

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

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Explain what radioisotopes are, and describe how they can be used to monitor the uptake of a specific biochemical by a microbial culture.

Accepted Answer

Radioisotopes are isotopes of an element...

Question 6

Purines and pyrimidines are components in the building block units of all _____.

Accepted Answer

The answer of Purines and pyrimidines are components in the...

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

The purine bases in nucleic acids include

Accepted Answer

A)  thymine and cytosine.
B)  guanine and adenine.
C)  cytosine and guanine.
D)  adenine and thymine.
E)  ribose and deoxyribose.F) All of the above
G) A) and B)

Question 10

All of the following pertain to the atom 146c except it(s)

Accepted Answer

A)  has 6 protons.
B)  has 6 electrons.
C)  has 14 neutrons.
D)  is an isotope of carbon.
E)  mass number is 14.F) A) and C)
G) B) and E)

Question 11

A solution is composed of one or more substances called _____ that are uniformly dispersed in a dissolving medium called a _____.or

Accepted Answer

The answer of A solution is composed of one or...

Question 12

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
E)  None of the choices are correct.F) A) and B)
G) A) and C)

Question 13

The a helix and b-pleated sheet are examples of

Accepted Answer

A)  primary structure.
B)  secondary structure.
C)  tertiary structure.
D)  quaternary structure.
E)  gamma structures.F) B) and D)
G) A) and E)

Question 14

Which amino acid contains sulfur atoms that form covalent disulfide bonds in its tertiary structure?

Accepted Answer

A)  valine
B)  cysteine
C)  serine
D)  alanine
E)  tyrosineF) C) and D)
G) A) and E)

Question 15

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

Accepted Answer

A)  glycogen
B)  maltose
C)  starch
D)  cellulose
E)  galactoseF) A) and D)
G) B) and E)

Question 16

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) C) and D)
G) A) and D)

Question 17

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 acidsF) C) and D)
G) A) and D)

Question 18

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) D) and E)
G) A) and E)

Question 19

An amino acid contains all of the following, except

Accepted Answer

A)  an amino group.
B)  a carboxyl group.
C)  a variable R group.
D)  an a carbon.
E)  a nitrogen base.F) B) and E)
G) All of the above

Question 20

During protein synthesis, _____ RNA is made to be a copy of a gene from the DNA.

Accepted Answer

The answer of During protein synthesis, _____ RNA is made...

Exam 2: The Chemistry of Biology

Which amino acid contains sulfur atoms that form covalent disulfide bonds in its tertiary structure?

Correct AnswerverifiedShow Answer

Water molecules are nonpolar molecules.

Correct AnswerverifiedShow Answer

During protein synthesis, _____ RNA is made to be a copy of a gene from the DNA.

Correct AnswerverifiedShow Answer

Two or more atoms bonded together are called a/an

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

Correct AnswerverifiedShow Answer

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

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

Correct AnswerverifiedShow Answer

Which of the following represents a synthesis reaction?

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An amino acid contains all of the following, except

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The purine bases in nucleic acids include

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A solution is composed of one or more substances called _____ that are uniformly dispersed in a dissolving medium called a _____.or

Correct AnswerverifiedShow Answer

The a helix and b-pleated sheet are examples of

Correct AnswerverifiedShow Answer

Purines and pyrimidines are components in the building block units of all _____.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

ATP is best described as

Correct AnswerverifiedShow Answer

Explain what radioisotopes are, and describe how they can be used to monitor the uptake of a specific biochemical by a microbial culture.

Correct AnswerAnswered by ExamLex AIRadioisotopes are isotopes of an element...View AnswerShow Answer

All of the following pertain to the atom 146c except it(s)

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

Correct AnswerverifiedShow Answer

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

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A solution is composed of one or more substances called _ that are uniformly dispersed in a dissolving medium called a _.or

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Answered by ExamLex AI
Radioisotopes are isotopes of an element...
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All of the following pertain to the atom ¹⁴₆c except it(s)

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