BIOD 171 MODULE 1 EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025
1. True/False. A virus is considered a microorganism. - CORRECT-ANSWERSFalse
2. True or False: The smallest biological unit of life is the molecule. - CORRECT-
ANSWERSFalse
3. At a generalized level, all cells are comprised of what? - CORRECT-
ANSWERSMacromolecules
4. A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they
must answer with all four to be fully correct.
5. Proteins are formed from various combinations of _______ of which there are ______
known forms. - CORRECT-ANSWERS1. Amino acids
6. 2. 20
7. How many amino acids are classified as being essential amino acids? - CORRECT-
ANSWERS9
8. 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
, 9. Complete the following DNA strand, and indicate how many bonds are formed for each
complementary pair:
10. 3' GGTCATCG 5'
11. 5' CC _____AGC 3' - CORRECT-ANSWERS3' GGTCATCG 5'
12. 5' CCAGTAGC 3'
13. There are 2 bonds formed between A and T, and 3 bonds between G and C.
14. True of False: The genetic material within a prokaryotic cell is contained within a
membrane-enclosed region. - CORRECT-ANSWERSFalse
15. How many carbon atoms are present in the monosaccharide glucose? - CORRECT-
ANSWERS6
16. Describe the 4 basic bacterial morphologies. - CORRECT-ANSWERSCoccus
(round/spherical), bacillus (rod), vibrio (curved rod) or spirillum (spiral/corkscrew).
17. True or False: Archaea, a eukaryotic class of microorganisms, is capable of surviving
harsh environments. - CORRECT-ANSWERSFalse
18. Which of the following microorganisms are considered to be Eukarya? Select all that
apply.
19. Animalia
20. Plantae
21. Fungi
22. Protista - CORRECT-ANSWERSAll of them
23. Microorganisms classified as _________ obtain most of their energy by converting light
energy into chemical energy. - CORRECT-ANSWERSPlantae
CORRECT QUESTIONS AND ANSWERS
2025
1. True/False. A virus is considered a microorganism. - CORRECT-ANSWERSFalse
2. True or False: The smallest biological unit of life is the molecule. - CORRECT-
ANSWERSFalse
3. At a generalized level, all cells are comprised of what? - CORRECT-
ANSWERSMacromolecules
4. A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they
must answer with all four to be fully correct.
5. Proteins are formed from various combinations of _______ of which there are ______
known forms. - CORRECT-ANSWERS1. Amino acids
6. 2. 20
7. How many amino acids are classified as being essential amino acids? - CORRECT-
ANSWERS9
8. 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
, 9. Complete the following DNA strand, and indicate how many bonds are formed for each
complementary pair:
10. 3' GGTCATCG 5'
11. 5' CC _____AGC 3' - CORRECT-ANSWERS3' GGTCATCG 5'
12. 5' CCAGTAGC 3'
13. There are 2 bonds formed between A and T, and 3 bonds between G and C.
14. True of False: The genetic material within a prokaryotic cell is contained within a
membrane-enclosed region. - CORRECT-ANSWERSFalse
15. How many carbon atoms are present in the monosaccharide glucose? - CORRECT-
ANSWERS6
16. Describe the 4 basic bacterial morphologies. - CORRECT-ANSWERSCoccus
(round/spherical), bacillus (rod), vibrio (curved rod) or spirillum (spiral/corkscrew).
17. True or False: Archaea, a eukaryotic class of microorganisms, is capable of surviving
harsh environments. - CORRECT-ANSWERSFalse
18. Which of the following microorganisms are considered to be Eukarya? Select all that
apply.
19. Animalia
20. Plantae
21. Fungi
22. Protista - CORRECT-ANSWERSAll of them
23. Microorganisms classified as _________ obtain most of their energy by converting light
energy into chemical energy. - CORRECT-ANSWERSPlantae
