Which one of the following terms applies to the phylum Nematoda?
A. Parazoa
B. diploblastic
C. deuterostome
D. pseudocoelomate
D. pseudocoelomate
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Cytokinesis in plants occurs as ________ and in animals as ________.
A) actin fibers pull the membrane inward until the two sides touch; the Golgi apparatus produces membrane-bound vesicles filled with materials to make the cell wall B) the Golgi apparatus produces membrane-bound vesicles filled with materials to make the cell wall; actin fibers pull the membrane inward until the two sides touch C) the centrosome produces membrane-bound vesicles filled with materials to make the cell wall; the Golgi apparatus produces actin fibers to pull the membrane inward until the two sides touch D) actin fibers interact to make the cell wall; the cleavage furrow pulls the membrane inward until the two sides touch E) the Golgi apparatus produces a cleavage furrow; actin fibers pull the membrane inward until the two sides touch
Site-specific recombination systems
A. depend on enzymes that are often specific for sequences within the host. B. do not depend on extensive nucleotide sequence homology. C. are features of some viruses. D. All of the choices are correct.
The pattern of genetic transmission typical of a multifactorial trait is
A) discontinuous distributions such as 31. B) that of Mendelian inheritance. C) continuous variation of phenotypic expression. D) a 9331 ratio.
A relationship in which both members benefit is called
A. predation. B. parasitism. C. mutualism. D. commensalism. E. sympatric.