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MCB 2010C Microbiology Exam 1 2024|2025 LATEST
100% ACCURATE GUARANTEED PASS
Proteins are made up of
A) lipids
B) steroids
C) amino acids
D) nucleotides
E) sugars - (ANSWER)amino acids
Which of the following would most readily give up H+ ions in a solution?
A) coffee pH 5
B) ammonia pH 11.5
C) cola pH 3
D) lemon juice pH 2
E) water pH 7 - (ANSWER)lemon juice pH 2
The valence of an atom represents its
A) electronegativity
B) ability to interact with other atoms
, 2
C) ability to interact with water
D) ability to attract electrons
E) radioactivity - (ANSWER)ability to interact with other atoms.
Hydrophobic molecules tend to be ____________ by water.
A) repelled
B) mixed
C) attracted
D) absorbed - (ANSWER)repelled
An atom becomes an ion when
A) it gains or loses neutrons.
B) it gains or loses protons.
C) hydrogen ions are shared.
D) it forms a covalent bond.
E) it gains or loses electrons. - (ANSWER)it gains or loses electrons.
Nucleic acids, proteins, and complex carbohydrates are all produced by
A) catabolic reactions.
, 3
B) hydrolytic reactions.
C) hydrogen bonding.
D) exchange reactions.
E) dehydration synthesis. - (ANSWER)dehydration synthesis.
The structural backbone of any membranous structure in a cell is the
A) the phospholipid bilayer.
B) membrane bound proteins.
C) glycolipids.
D) glycoproteins.
E) steroids. - (ANSWER)the phospholipid bilayer.
Antoni van Leeuwenhoek was the first person in history to
A) use a magnifying glass.
B) view microorganisms and record these observations.
C) disprove spontaneous generation.
D) use the germ theory of disease.
E) develop a taxonomic system. - (ANSWER)view microorganisms and record
these observations.
MCB 2010C Microbiology Exam 1 2024|2025 LATEST
100% ACCURATE GUARANTEED PASS
Proteins are made up of
A) lipids
B) steroids
C) amino acids
D) nucleotides
E) sugars - (ANSWER)amino acids
Which of the following would most readily give up H+ ions in a solution?
A) coffee pH 5
B) ammonia pH 11.5
C) cola pH 3
D) lemon juice pH 2
E) water pH 7 - (ANSWER)lemon juice pH 2
The valence of an atom represents its
A) electronegativity
B) ability to interact with other atoms
, 2
C) ability to interact with water
D) ability to attract electrons
E) radioactivity - (ANSWER)ability to interact with other atoms.
Hydrophobic molecules tend to be ____________ by water.
A) repelled
B) mixed
C) attracted
D) absorbed - (ANSWER)repelled
An atom becomes an ion when
A) it gains or loses neutrons.
B) it gains or loses protons.
C) hydrogen ions are shared.
D) it forms a covalent bond.
E) it gains or loses electrons. - (ANSWER)it gains or loses electrons.
Nucleic acids, proteins, and complex carbohydrates are all produced by
A) catabolic reactions.
, 3
B) hydrolytic reactions.
C) hydrogen bonding.
D) exchange reactions.
E) dehydration synthesis. - (ANSWER)dehydration synthesis.
The structural backbone of any membranous structure in a cell is the
A) the phospholipid bilayer.
B) membrane bound proteins.
C) glycolipids.
D) glycoproteins.
E) steroids. - (ANSWER)the phospholipid bilayer.
Antoni van Leeuwenhoek was the first person in history to
A) use a magnifying glass.
B) view microorganisms and record these observations.
C) disprove spontaneous generation.
D) use the germ theory of disease.
E) develop a taxonomic system. - (ANSWER)view microorganisms and record
these observations.
