The relevance of the pseudocoelom to phylogeny has been questioned. Rotifera and Nematoda both have a pseudocoelom. The molecular evidence suggests which of the following conclusions?
A. Molecular evidence confirms that rotifers and nematodes are closely related and that both participate in the same monophyletic clade.
B. Rotifers are more closely related to Lophotrochozoa than to nematodes.
C. Rotifers are more closely related to echinoderms than to nematodes.
D. Rotifers are more closely related to chordates than to nematodes.
E. Rotifers are more closely related to nematodes than to mollusks.
B. Rotifers are more closely related to Lophotrochozoa than to nematodes.
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The enzyme amylase can break glycosidic linkages between glucose monomers only if the monomers are the ? form. Which of the following could amylase break down?
A) starch B) cellulose C) chitin D) starch and chitin only E) starch, cellulose, and chitin
Gregor Mendel is known for
A) studying natural selection in the animal life on the Galapagos. B) breeding plants to demonstrate the logic behind inherited trait transmission. C) experiments that demonstrated the direction of blood circulation in the body. D) breeding chickens to reveal the laws of inheritance.
What are plasmids?
A. Small, circular RNA molecules that contain many genes but that cannot be passed on to other bacteria B. Small, circular DNA molecules that contain just a few genes and that can be passed on to other bacteria C. Small, circular RNA molecules that contain just a few genes and that can be passed on to other bacteria D. Small, circular DNA molecules that contain just a few genes but that cannot be passed on to other bacteria
What are all possible gametes that can be produced by an individual with the following genotype, FFGg?
a. FG, Fg b. FF c. Gg d. FG, Fg, fG, fg