Biod 171 module 1 exam questions
with complete solutions5
At a generalized level, all cells are comprised of what? - ANSWERS 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. - ANSWERS 1. Amino acids
2. 20
True/False. A virus is considered a microorganism. - ANSWERS False
True or False: The smallest biological unit of life is the molecule. - ANSWERS False
How many amino acids are classified as being essential amino acids? - ANSWERS 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 - ANSWERS 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' - ANSWERS 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. - ANSWERS False
How many carbon atoms are present in the monosaccharide glucose? - ANSWERS 6
Describe the 4 basic bacterial morphologies. - ANSWERS 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. - ANSWERS False
Which of the following microorganisms are considered to be Eukarya? Select all that apply.
Animalia
Plantae
Fungi
Protista - ANSWERS All of them
Microorganisms classified as _________ obtain most of their energy by converting light energy
into chemical energy. - ANSWERS Plantae
with complete solutions5
At a generalized level, all cells are comprised of what? - ANSWERS 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. - ANSWERS 1. Amino acids
2. 20
True/False. A virus is considered a microorganism. - ANSWERS False
True or False: The smallest biological unit of life is the molecule. - ANSWERS False
How many amino acids are classified as being essential amino acids? - ANSWERS 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 - ANSWERS 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' - ANSWERS 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. - ANSWERS False
How many carbon atoms are present in the monosaccharide glucose? - ANSWERS 6
Describe the 4 basic bacterial morphologies. - ANSWERS 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. - ANSWERS False
Which of the following microorganisms are considered to be Eukarya? Select all that apply.
Animalia
Plantae
Fungi
Protista - ANSWERS All of them
Microorganisms classified as _________ obtain most of their energy by converting light energy
into chemical energy. - ANSWERS Plantae
