BIOD 171 MODULE 2 ESSENTIAL
MICROBIOLOGY ACTUAL TEST BANK
QUESTIONS SOLUTIONS GRADED A PLUS
PREMIUM STUDY RESOURCE
●● True or False: The smallest biological unit of life is the molecule.
Answer: False
●● At a generalized level, all cells are comprised of what?
Answer: Macromolecules
A student may also answer: Proteins, Lipids, Nucleic acids and
Polysaccharides but they must answer with all four to be fully correct.
●● Proteins are formed from various combinations of _______ of which
there are ______ known forms.
Answer: 1. Amino acids
2. 20
●● How many amino acids are classified as being essential amino acids?
Answer: 9
,●● The plasma membrane (select all that are true):
A. Restricts movement of materials in and out of the cell
B. Is often a triple layer comprised of lipids
C. Prevents essential nutrients from escaping
D. Contains hydrophobic tails pointing outward
Answer: A;C
●● Complete the following DNA strand, and indicate how many bonds
are formed for each complementary pair:
3' GGTCATCG 5'
5' CC _____AGC 3'
Answer: 3' GGTCATCG 5'
5' CCAGTAGC 3'
There are 2 bonds formed between A and T, and 3 bonds between G and
C.
●● True of False: The genetic material within a prokaryotic cell is
contained within a membrane-enclosed region.
Answer: False
●● How many carbon atoms are present in the monosaccharide glucose?
Answer: 6
,●● Describe the 4 basic bacterial morphologies.
Answer: Coccus (round/spherical), bacillus (rod), vibrio (curved rod) or
spirillum (spiral/corkscrew).
●● True or False: Archaea, a eukaryotic class of microorganisms, is
capable of surviving harsh environments.
Answer: False
●● Which of the following microorganisms are considered to be
Eukarya? Select all that apply.
Animalia
Plantae
Fungi
Protista
Answer: All of them
●● Microorganisms classified as _________ obtain most of their energy
by converting light energy into chemical energy.
Answer: Plantae
●● A defining characteristic of fungi is the presence of chitin in the cell
walls. Which of following also contain chitin? Select all that apply.
, A. Mushrooms
B. Bacteria
C. Yeast
D. Molds
Answer: A, C, D
●● True or False: Protista retain a unicellular classification, as they are
unable to form tissue layers.
Answer: True
●● True of False. All multicellular microorganisms classified as
Animalia are heterotrophic
Answer: True
●● The function of the lysosome is (select all that apply):
A. Lipid synthesis
B. Protein synthesis
C. To produce energy (ATP)
D. Protein modification and distribution
E. Waste disposal via hydrolytic enzymes
Answer: E
●● The function of the mitochondria is (select all that apply):
MICROBIOLOGY ACTUAL TEST BANK
QUESTIONS SOLUTIONS GRADED A PLUS
PREMIUM STUDY RESOURCE
●● True or False: The smallest biological unit of life is the molecule.
Answer: False
●● At a generalized level, all cells are comprised of what?
Answer: Macromolecules
A student may also answer: Proteins, Lipids, Nucleic acids and
Polysaccharides but they must answer with all four to be fully correct.
●● Proteins are formed from various combinations of _______ of which
there are ______ known forms.
Answer: 1. Amino acids
2. 20
●● How many amino acids are classified as being essential amino acids?
Answer: 9
,●● The plasma membrane (select all that are true):
A. Restricts movement of materials in and out of the cell
B. Is often a triple layer comprised of lipids
C. Prevents essential nutrients from escaping
D. Contains hydrophobic tails pointing outward
Answer: A;C
●● Complete the following DNA strand, and indicate how many bonds
are formed for each complementary pair:
3' GGTCATCG 5'
5' CC _____AGC 3'
Answer: 3' GGTCATCG 5'
5' CCAGTAGC 3'
There are 2 bonds formed between A and T, and 3 bonds between G and
C.
●● True of False: The genetic material within a prokaryotic cell is
contained within a membrane-enclosed region.
Answer: False
●● How many carbon atoms are present in the monosaccharide glucose?
Answer: 6
,●● Describe the 4 basic bacterial morphologies.
Answer: Coccus (round/spherical), bacillus (rod), vibrio (curved rod) or
spirillum (spiral/corkscrew).
●● True or False: Archaea, a eukaryotic class of microorganisms, is
capable of surviving harsh environments.
Answer: False
●● Which of the following microorganisms are considered to be
Eukarya? Select all that apply.
Animalia
Plantae
Fungi
Protista
Answer: All of them
●● Microorganisms classified as _________ obtain most of their energy
by converting light energy into chemical energy.
Answer: Plantae
●● A defining characteristic of fungi is the presence of chitin in the cell
walls. Which of following also contain chitin? Select all that apply.
, A. Mushrooms
B. Bacteria
C. Yeast
D. Molds
Answer: A, C, D
●● True or False: Protista retain a unicellular classification, as they are
unable to form tissue layers.
Answer: True
●● True of False. All multicellular microorganisms classified as
Animalia are heterotrophic
Answer: True
●● The function of the lysosome is (select all that apply):
A. Lipid synthesis
B. Protein synthesis
C. To produce energy (ATP)
D. Protein modification and distribution
E. Waste disposal via hydrolytic enzymes
Answer: E
●● The function of the mitochondria is (select all that apply):
