若有int i=5,j=10;则执行完以下语句后i和j的值分别为 switch(i) { case 4:j++;break; case 5:i--; case 6:j++; break; case 7:j-=i;break; default:; }
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【单选题】The amino acid sequence of cytochrome c is exactly the same in humans and chimpanzees. There is a difference of 13 amino acids between the cytochrome c of humans and dogs, and a difference of 20 amino...
A.
Rattlesnakes apparently gave rise evolutionarily to the dog, chimpanzee, and human.
B.
Cytochrome c apparently has an entirely different function in rattlesnakes than in mammals, which explains the difference in the number of amino acids.
C.
Cytochrome c from a rattlesnake could function in a dog, but not in a chimpanzee.
D.
The human is apparently more closely related to the chimpanzee than to the dog or rattlesnake.