QUESTIONS AND 100% CORRECT
ANSWERS|2025/2026
True/False. A virus is considered a microorganism. - ANSWER-
B B B B B B B B False
True or False: The smallest biological unit of life is the molecule. - ANSWER-
B B B B B B B B B B B B B False
At a generalized level, all cells are comprised of what? - ANSWER-
B B B B B B B B B B B Macromolecules B
A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they must
B B B B B B B B B B B B B B
answer with all four to be fully correct.
B B B B B B B
Proteins are formed from various combinations of _______ of which there are ______ known
B B B B B B B B B B B B B B
forms. - ANSWER- B B 1. Amino acids
B B B
2. 20B
How many amino acids are classified as being essential amino acids? - ANSWER-
B B B B B B B B B B B B 9
The plasma membrane (select all that are true):
B B B B B B B B
A. Restricts movement of materials in and out of the cell
B B B B B B B B B B B
B. Is often a triple layer comprised of lipids
B B B B B B B B B
C. Prevents essential nutrients from escaping
B B B B B
D. Contains hydrophobic tails pointing outward - ANSWER-
B B B B B B B A;C
Complete the following DNA strand, and indicate how many bonds are formed for each compl
B B B B B B B B B B B B B B
ementary pair: B B
3' GGTCATCG 5'
B B B
5' CC _____AGC 3' - ANSWER-
B B B B B 3' GGTCATCG 5'
B B B
5' CCAGTAGC 3'
B B B
, There are 2 bonds formed between A and T, and 3 bonds between G and C.
B B B B B B B B B B B B B B B
True of False: The genetic material within a prokaryotic cell is contained within a membrane-
B B B B B B B B B B B B B B
enclosed region. - ANSWER- B B B False
How many carbon atoms are present in the monosaccharide glucose? - ANSWER-
B B B B B B B B B B B 6
Describe the 4 basic bacterial morphologies. - ANSWER-
B B B B B B B
Coccus (round/spherical), bacillus (rod), vibrio (curved rod) or spirillum (spiral/corkscre
B B B B B B B B B
w).
True or False: Archaea, a eukaryotic class of microorganisms, is capable of surviving harsh envi
B B B B B B B B B B B B B B
ronments. - ANSWER- B B False
Which of the following microorganisms are considered to be Eukarya? Select all that apply.
B B B B B B B B B B B B B B
Animalia
Plantae
Fungi
Protista - ANSWER- B B All of them B B
Microorganisms classified as _________ obtain most of their energy by converting light energ
B B B B B B B B B B B B
y into chemical energy. - ANSWER-
B B B B B Plantae
A defining characteristic of fungi is the presence of chitin in the cell walls. Which of following a
B B B B B B B B B B B B B B B B B
lso contain chitin? Select all that apply.
B B B B B B B
A. Mushrooms
B B
B. Bacteria
B B
C. Yeast
B