While the gene encoding the small subunit of ribosomes was used to generate the universal tree of life,
many genes are inappropriate choices for this analysis because horizontal gene
transfer has occurred for billions of years between the ancestors giving rise to all three
domains.
A. true
B. false
A
Biology & Microbiology
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Which of the following represents the activation energy needed for the enzyme-catalyzed reverse reaction, C + D ? A + B, in the figure?
A) a B) b C) c D) d E) e
Biology & Microbiology
How can harmful alleles persist in a population despite natural selection?
What will be an ideal response?
Biology & Microbiology
Is the resting membrane potential of a neuron closer to the equilibrium potential for K+ or Na+?
A. K+ B. Na+ C. It is an average of the two.
Biology & Microbiology
Energy (ATP) source: movement of electrons
What will be an ideal response?
Biology & Microbiology