A(n) ____ is an offspring of a cross between two individuals that breed true for different forms of a given trait
a. homozygote
b. recessive
c. hybrid
d. phenotype
e. genotype
ANSWER: c
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The first enzyme in glycolysis is hexokinase. What does it do?
a. Hexokinase facilitates diffusion of glucose through the cell membrane. b. Hexokinase moves glucose into the mitochondria to initiate glycolysis. c. Hexokinase catalyzes the phosphorylation of glucose to produce glucose-6-phosphate. d. Hexokinase destabilizes fructose-1,6-biphosphate to prepare it for cleavage.
The loss of an electron by a molecule is called __________. Fill in the blank(s) with the appropriate word(s)
What is the function of a fish's operculum?
A) Detects biofields in the immediate vicinity B) Detects movements in the surrounding water C) Protects the gills D) Provides buoyancy
The formation of sodium chloride (NaCl) is the result of
A) covalent bonding. B) chemical unreactivity. C) repelling between the same charges. D) attraction between opposite charges.