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ANSWERS VERIFIED BY EXPERT| NEWLY
UPDATED 2025| A+ GUARANTEED.
True/False: A virus is considered a microorganism.
ANSWER: ✔✔ False
True or False: The smallest biological unit of life is the molecule.
ANSWER: ✔✔ False
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.
Proteins are formed from various combinations of _______ of which there are ______
known forms.
ANSWER: ✔✔ 1. Amino acids
2. 20
How many amino acids are classified as being essential amino acids?
, ANSWER: ✔✔ 9
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
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.
True or False: The genetic material within a prokaryotic cell is contained within a
membrane-enclosed region.
ANSWER: ✔✔ False
How many carbon atoms are present in the monosaccharide glucose?
ANSWER: ✔✔ 6
Describe the 4 basic bacterial morphologies.
ANSWER: ✔✔ Coccus (round/spherical), Bacillus (rod), Vibrio (curved rod),
Spirillum (spiral/corkscrew).