BIOD 171 MODULE 1 EXAM PORTAGE LEARNING ESSENTIAL MICROBIOLOGY QUESTION AND ANSWER LATEST 2025

BIOD 171 MODULE 1 EXAM PORTAGE LEARNING ESSENTIAL
MICROBIOLOGY QUESTION AND ANSWER LATEST 2025


Question 1

True/False. A virus is considered a microorganism.

False



Question 2

True or False: The smallest biological unit of life is the molecule.

False



Question 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.



Question 4

Proteins are formed from various combinations of _______ of which there are ______ known forms.

1. Amino acids

2. 20

, Question 5

How many amino acids are classified as being essential amino acids?

9



Question 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



Question 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.



Question 8

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

False



Question 9

How many carbon atoms are present in the monosaccharide glucose?

6