BIOD 171 module 1 exam with
Answers 2025-2026 Updated.
True/False. A virus is considered a microorganism. - Answer False
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 or 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
Answers 2025-2026 Updated.
True/False. A virus is considered a microorganism. - Answer False
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 or 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
