62. When organisms with disadvantageous traits die out early before much, if any reproduction, this is called? (A) speciation (B) macroevolution (C)gene flow (D) natural selection

2.Which is the description about an allosteric interaction between a ligand and a protein? (A) binding of a molecule to a binding site affects binding of additional molecules to the same site (B) binding of a molecule to a binding site affects binding properties of another site on the protein (C) binding of the ligand to the protein is covalent (D) multiple molecules of the same ligand can bind to the same binding site (E) two different ligands can bind to the same binding site

62. When organisms with disadvantageous traits die out early before much, if any reproduction, this is called?
(A) speciation
(B) macroevolution
(C)gene flow
(D) natural selection

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