Centrosome
What will be an ideal response?
produces cilia and flagella ; produces chromosomes during cell division
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Which of the following does (do) not occur in anaerobes?
A) anabolic reactions B) catabolic reactions C) electron transport chain D) fermentation reactions
In the cladogram shown, the animals across the top are a lancelet, lamprey, salmon, lizard, and rabbit (from left to right). If the salmon, lizard, and rabbit are an ingroup, which animals make up the outgroup, and which characteristics are synapomorphies of the ingroup?
A. Lamprey and lancelet; notochord and vertebrae
B. Lancelet only; notochord, vertebrae, hinged jaw, tetrapod, and mammary glands.
C. Lancelet and lamprey; hinged jaw.
D. Lancelet, lamprey and salmon; notochord, vertebrae, and a hinged jaw.
E. Lizard and rabbit; tetrapod and mammary glands.
Arrange the events of muscular contraction in chronological order
1) muscle shortens 2) calcium binds to troponin 3) filaments slide 4) T tubules are depolarized 5) acetylcholine is released 6) ATP molecule is split a. 4 ? 5 ? 2 ? 1 ? 3 ? 6 b. 4 ? 2 ? 5 ? 6 ? 1 ? 3 c. 5 ? 2 ? 4 ? 1 ? 6 ? 3 d. 6 ? 1 ? 5 ? 4 ? 3 ? 2 e. 5 ? 4 ? 2 ? 6 ? 3 ? 1
Competitive exclusion is a result of:
a. interspecific competition. b. intraspecific competition. c. character displacement. d. succession. e. community complexity.