Microbiology 211 Test 1 - Ivy Tech Study
Guide
Anything that occupies space and has mass is called - ANS-matter
What is the maximum number of electrons in the first energy shell of an atom? - ANS-2
Ionic bonds - ANS-result from transferring electrons
Which of the following functional groups is mismatched to the organic compound in
which it is typically found?
Sulfhydryl - proteins
Hydroxyl - alcohols
Amino - proteins
Carboxyl - fatty acids
Phosphate - carbohydrates - ANS-Phosphate - carbohydrates
What part of a phospholipid comprises the hydrophobic tail? - ANS-fatty acids
True or False?
The concentration of a solution expresses the amount of solvent present. - ANS-false
The valence number is the - ANS-number of outer most electrons.
True or False?
Nucleic acids have primary, secondary, tertiary, and quaternary levels of organization. -
ANS-false
All of the following pertain to the atom Carbon-14 except...
has 6 protons.
has 6 electrons.
has 14 neutrons.
is an isotope of Carbon. - ANS-has 14 neutrons
, The subatomic particles that surround the nucleus are the - ANS-electrons
True or False?
A covalent bond is formed between an anion and a cation. - ANS-False
(an ionic bond is formed between an ion and a cation)
Which group of microorganisms is composed only of hereditary material wrapped in a
protein covering? - ANS-viruses
In which way are bacteria and eukaryotes the same? - ANS-Contain ribosomes for
protein synthesis
What is the maximum number of electrons in the first energy shell of an atom? - ANS-2
The building blocks of an enzyme are ______. - ANS-amino acids
Polar molecules are composed of covalently bonded - ANS-atoms of different
electronegativity.
The building blocks of an enzyme are ______. - ANS-amino acids
Protons and neutrons that make up the atom's central core, which is referred to as its -
ANS-nucleus
Compared to a solution of pH 9, a solution of pH 7
is more basic.
has more H+ ions.
has a higher pH.
has no OH- ions. - ANS-has more H+ ions.
Which pertains to DNA but not to RNA?
Contains ribose
Contains uracil
Contains adenine
Contains thymine
Contains nucleotides - ANS-contains thymine
Guide
Anything that occupies space and has mass is called - ANS-matter
What is the maximum number of electrons in the first energy shell of an atom? - ANS-2
Ionic bonds - ANS-result from transferring electrons
Which of the following functional groups is mismatched to the organic compound in
which it is typically found?
Sulfhydryl - proteins
Hydroxyl - alcohols
Amino - proteins
Carboxyl - fatty acids
Phosphate - carbohydrates - ANS-Phosphate - carbohydrates
What part of a phospholipid comprises the hydrophobic tail? - ANS-fatty acids
True or False?
The concentration of a solution expresses the amount of solvent present. - ANS-false
The valence number is the - ANS-number of outer most electrons.
True or False?
Nucleic acids have primary, secondary, tertiary, and quaternary levels of organization. -
ANS-false
All of the following pertain to the atom Carbon-14 except...
has 6 protons.
has 6 electrons.
has 14 neutrons.
is an isotope of Carbon. - ANS-has 14 neutrons
, The subatomic particles that surround the nucleus are the - ANS-electrons
True or False?
A covalent bond is formed between an anion and a cation. - ANS-False
(an ionic bond is formed between an ion and a cation)
Which group of microorganisms is composed only of hereditary material wrapped in a
protein covering? - ANS-viruses
In which way are bacteria and eukaryotes the same? - ANS-Contain ribosomes for
protein synthesis
What is the maximum number of electrons in the first energy shell of an atom? - ANS-2
The building blocks of an enzyme are ______. - ANS-amino acids
Polar molecules are composed of covalently bonded - ANS-atoms of different
electronegativity.
The building blocks of an enzyme are ______. - ANS-amino acids
Protons and neutrons that make up the atom's central core, which is referred to as its -
ANS-nucleus
Compared to a solution of pH 9, a solution of pH 7
is more basic.
has more H+ ions.
has a higher pH.
has no OH- ions. - ANS-has more H+ ions.
Which pertains to DNA but not to RNA?
Contains ribose
Contains uracil
Contains adenine
Contains thymine
Contains nucleotides - ANS-contains thymine
