Metamerism refers to:
A. a body type that contains clearly distinguishable dorsal and ventral surfaces.
B. the division of the body into a series of repeating segments.
C. loss of crystalline structure of an amorphous state.
D. None of the choices is correct.
B
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If an antibody serves as a B-cell receptor, it will bind to the host cell membrane via region number
a. 1. b. 2. c. 3. d. 4. e. 6.
Megakaryocytes
a. produce platelets by fragmentation. b. produce leukocytes. c. are wandering phagocytes. d. are disk-shaped cells that transport gases. e. produce antibodies.
A(n) ________ is a nonprotein substance that aids in forming the enzyme-substrate complex in metabolic reactions
Fill in the blank(s) with correct word
What is a paralog?
a. a homeobox gene c. a homologous gene b. an enhancer gene d. a duplicate of an existing gene