BIO 304 EXAM 1 QUESTIONS WITH
DETAILED VERIFIED ANSWERS
A bacterial cell moving toward light would be an example of
A. Positive phototaxis
B. Negative chemotaxis
C. Tumbles
D. Positive Chemotaxis
E. Negative phototaxis - correct answer- Positive
phototaxis
A macromolecule containing two fatty acids and a phosphate
group is a
A. saturated fatty acid
B. phospholipid
C. steroid
D. wax
E. glycerol - correct answer- phospholipid
,A microbe with a cell wall and no internal membrane enclosing
the DNA is a prokaryote - correct answer- True
A tiny (less than 2 micrometers) new organism is discovered
living in a boiling hot "mud pot" (a type of mud spring). It is most
likely a member of the ________.
A. viruses
B. fungi
C. algae
D. archaea
E. protozoa - correct answer- archaea
A type of lipid that can serve as energy source is
A. carbohydrate
B. phospholipid
C. triglycerides
D. wax - correct answer- triglycerides
, All cell membranes contain phospholipids and a wide variety of
proteins.
A. True
B. False - correct answer- False
All chemical reactions begin with reactants and result in new
molecules known as
A. Protons
B. Carbohydrate
C. Products
D. Enzymes - correct answer- Products
An acid dissociates in water to release
A. cations
B. hydroxyl groups
C. hydrogen ions
D. anions
DETAILED VERIFIED ANSWERS
A bacterial cell moving toward light would be an example of
A. Positive phototaxis
B. Negative chemotaxis
C. Tumbles
D. Positive Chemotaxis
E. Negative phototaxis - correct answer- Positive
phototaxis
A macromolecule containing two fatty acids and a phosphate
group is a
A. saturated fatty acid
B. phospholipid
C. steroid
D. wax
E. glycerol - correct answer- phospholipid
,A microbe with a cell wall and no internal membrane enclosing
the DNA is a prokaryote - correct answer- True
A tiny (less than 2 micrometers) new organism is discovered
living in a boiling hot "mud pot" (a type of mud spring). It is most
likely a member of the ________.
A. viruses
B. fungi
C. algae
D. archaea
E. protozoa - correct answer- archaea
A type of lipid that can serve as energy source is
A. carbohydrate
B. phospholipid
C. triglycerides
D. wax - correct answer- triglycerides
, All cell membranes contain phospholipids and a wide variety of
proteins.
A. True
B. False - correct answer- False
All chemical reactions begin with reactants and result in new
molecules known as
A. Protons
B. Carbohydrate
C. Products
D. Enzymes - correct answer- Products
An acid dissociates in water to release
A. cations
B. hydroxyl groups
C. hydrogen ions
D. anions
