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Biod 171 module 1 exam with complete verified solutions already graded A+
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Biod 171 module 1 exam with complete verified solutions already graded A+
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Biod 171 module 1 exam withcomplete verified solutions
already graded A+
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 of 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) or spirillum
(spiral/corkscrew).
True or False: Archaea, a eukaryotic class of microorganisms, is capable of
surviving harsh environments. - answer False
Which of the following microorganisms are considered to be Eukarya?
Select all that apply.
Animalia
Plantae
Fungi
Protista - answer All of them
Microorganisms classified as _________ obtain most of their energy by
converting light energy into chemical energy. - answer Plantae
A defining characteristic of fungi is the presence of chitin in the cell walls.
Which of following also contain chitin? Select all that apply.
A. Mushrooms
B. Bacteria
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