BIOD 171 Microbiology Module Exams Questions With Correct Answers.

BIOD 171 Microbiology Module Exams Questions With
Correct Answers.
QUESTION>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



QUESTION>The function of the mitochondria 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 ~C



QUESTION>The combination of the cell membrane and the outer membrane is referred to as the (select
all that apply):



A. Cell wall

B. Capsid

C. Cell envelope

D. Outer leaflet - ANSWER ~C

QUESTION>True/False. A virus is considered a microorganism. - ANSWER ~False



QUESTION>True or False: The smallest biological unit of life is the molecule. - ANSWER ~False



QUESTION>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.



QUESTION>Proteins are formed from various combinations of _______ of which there are ______
known forms. - ANSWER ~1. Amino acids

2. 20



QUESTION>How many amino acids are classified as being essential amino acids? - ANSWER ~9



QUESTION>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



QUESTION>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.



QUESTION>True of False: The genetic material within a prokaryotic cell is contained within a membrane-
enclosed region. - ANSWER ~False



QUESTION>How many carbon atoms are present in the monosaccharide glucose? - ANSWER ~6