BIOD 171 MODULE 1 EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025
True/False. A virus is considered a microorganism. - CORRECT-
ANSWERSFalse
True or False: The smallest biological unit of life is the
molecule. - CORRECT-ANSWERSFalse
At a generalized level, all cells are comprised of what? -
CORRECT-ANSWERSMacromolecules
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. - CORRECT-ANSWERS1. Amino
acids
2. 20
How many amino acids are classified as being essential amino
acids? - CORRECT-ANSWERS9
, 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 - CORRECT-
ANSWERSA;C
Complete the following DNA strand, and indicate how many bonds
are formed for each complementary pair:
3' GGTCATCG 5'
5' CC _____AGC 3' - CORRECT-ANSWERS3' 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. - CORRECT-
ANSWERSFalse
How many carbon atoms are present in the monosaccharide glucose?
- CORRECT-ANSWERS6
Describe the 4 basic bacterial morphologies. - CORRECT-
ANSWERSCoccus (round/spherical), bacillus (rod), vibrio (curved
rod) or spirillum (spiral/corkscrew).
CORRECT QUESTIONS AND ANSWERS
2025
True/False. A virus is considered a microorganism. - CORRECT-
ANSWERSFalse
True or False: The smallest biological unit of life is the
molecule. - CORRECT-ANSWERSFalse
At a generalized level, all cells are comprised of what? -
CORRECT-ANSWERSMacromolecules
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. - CORRECT-ANSWERS1. Amino
acids
2. 20
How many amino acids are classified as being essential amino
acids? - CORRECT-ANSWERS9
, 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 - CORRECT-
ANSWERSA;C
Complete the following DNA strand, and indicate how many bonds
are formed for each complementary pair:
3' GGTCATCG 5'
5' CC _____AGC 3' - CORRECT-ANSWERS3' 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. - CORRECT-
ANSWERSFalse
How many carbon atoms are present in the monosaccharide glucose?
- CORRECT-ANSWERS6
Describe the 4 basic bacterial morphologies. - CORRECT-
ANSWERSCoccus (round/spherical), bacillus (rod), vibrio (curved
rod) or spirillum (spiral/corkscrew).
