The genes for the enzymes of glycolysis
A) are active in all metabolizing cells, but the genes for specialized proteins are expressed only in particular cell types.
B) are inactive in all metabolizing cells, but the genes for specialized proteins are expressed in all cell types.
C) and the genes for all specialized proteins are expressed in all metabolizing cells.
D) and the genes for all specialized proteins are expressed in all embryonic cells.
Correct Answer:
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Q1: Both prokaryotic and eukaryotic cells use _
Q5: The basis of cellular differentiation is
A)the operon.
B)selective
Q5: There is a mutation in the operator
Q6: Enhancers are
A) adjacent to the gene that
Q7: The expression of the tryptophan operon is
Q8: The relationship between DNA and chromosomes is
Q9: Which of the following is likely to
Q10: The coding regions of a gene are
Q19: RNA splicing involves the
A) addition of a
Q20: A single cell, the zygote, can develop
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