The class __________ includes Lumbricus terrestris, the common earthworm
A. Oligochaeta
B. Polychaeta
C. Polyplacophora
D. Hirudinea
E. Malacostraca
A
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Antigens are
A. non-self proteins. B. proteins on the surface of B-cell membranes. C. proteins that consist of two light and two heavy chain polypeptide chains. D. proteins on the surface of macrophage membranes. E. proteins on the surface of T-cell membranes.
The first complete plant genome to be sequenced was that of
a. Phaseolus vulgaris (kidney bean). b. Arabidopsis thaliana (thale cress). c. Zea mays (corn). d. Capsella burse-pastoris (shepherd's purse). e. Oryza sativa (rice).
Which of the following statements is true regarding a temperate phage?
A) It can reproduce at warm or cool temperatures. B) It is required for transformation. C) It can be lytic or lysogenic. D) It causes bacterial cells to conjugate. E) It reproduces by binary fission.
Which of the following is not true of the term
senescence? a. It may refer to cells. b. It refers to the shedding of plant parts. c. It means aging. d. It may refer to communities. e. It may refer to individuals