Which of the following is represented by a wolf that hunts rabbits?
a. abiotic predator
b. disruptive selection
c. abiotic competition
d. biotic predator
Ans: d. biotic predator
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During mitosis, kinetochores develop during
A) telophase. B) anaphase. C) metaphase. D) prophase.
A person's spleen may be removed (splenectomy) if it becomes enlarged due to certain types of cancer, traumatic injury, or damage. What part of the immune system will be most affected by a splenectomy?
A) internal innate immunity B) external innate immunity C) adaptive immunity D) lymphatic system
What is the primary function of a cellular membrane?
a. recognizing other cells as being "like" b. controlling the transport of substances into and out of cells c. recognizing chemical signals from other cells d. cell-cell binding
Due to the wobble hypothesis, which position in the codon, if changed to a different nucleotide, would be least likely to cause a change in the amino acid encoded?
A) any nucleotide of the codon. B) second nucleotide of the codon C) first nucleotide of the codon D) third nucleotide of the codon E) Either the first or second nucleotide of the codon.