What happens to enzymes at the end of a chemical reaction?
A. They are used up.
B. They are unchanged.
C. They become less effective.
D. They are broken down.
Select your answer:
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Meiosis and intro to Genetics › ViewWhich of the following alleles is homozygous (purebred) recessive?
A. Tt
B. tt
C. TT
D. t
Mutation & Genetic Engineering › View
Selective breeding is…
A. a process to create an organism with desired traits from parents with those desired traits
B. natural method of producing offspring with desired traits
C. creating a new species
D. making organisms reproduce during times of stress