Biod 171 module 1 exam
1. True/False. A virus is considered a microorganism.: False
2. True or False: The smallest biological unit of life is the molecule.: False
3. At a generalized level, all cells are comprised of what?: Macromolecules
A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they must answer with all four to
be fully correct.
4. Proteins are formed from various combinations of of which there are
known forms.: 1. Amino acids
2. 20
5. How many amino acids are classified as being essential amino acids?: 9
6. 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: A;C
7. Complete the following DNA strand, and indicate how many bonds are
formed for each complementary pair:
3' GGTCATCG 5'
5' CC AGC 3': 3' GGTCATCG 5'
5' CCAGTAGC 3'
There are 2 bonds formed between A and T, and 3 bonds between G and C.
8. True of False: The genetic material within a prokaryotic cell is contained
within a membrane-enclosed region.: False
9. How many carbon atoms are present in the monosaccharide glucose?: 6
10. Describe the 4 basic bacterial morphologies.: Coccus (round/spherical), bacillus (rod),
vibrio (curved rod) or spirillum (spiral/corkscrew).
11. True or False: Archaea, a eukaryotic class of microorganisms, is capable of
surviving harsh environments.: False
12. Which of the following microorganisms are considered to be Eukarya?
1/4
1. True/False. A virus is considered a microorganism.: False
2. True or False: The smallest biological unit of life is the molecule.: False
3. At a generalized level, all cells are comprised of what?: Macromolecules
A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they must answer with all four to
be fully correct.
4. Proteins are formed from various combinations of of which there are
known forms.: 1. Amino acids
2. 20
5. How many amino acids are classified as being essential amino acids?: 9
6. 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: A;C
7. Complete the following DNA strand, and indicate how many bonds are
formed for each complementary pair:
3' GGTCATCG 5'
5' CC AGC 3': 3' GGTCATCG 5'
5' CCAGTAGC 3'
There are 2 bonds formed between A and T, and 3 bonds between G and C.
8. True of False: The genetic material within a prokaryotic cell is contained
within a membrane-enclosed region.: False
9. How many carbon atoms are present in the monosaccharide glucose?: 6
10. Describe the 4 basic bacterial morphologies.: Coccus (round/spherical), bacillus (rod),
vibrio (curved rod) or spirillum (spiral/corkscrew).
11. True or False: Archaea, a eukaryotic class of microorganisms, is capable of
surviving harsh environments.: False
12. Which of the following microorganisms are considered to be Eukarya?
1/4
