Which of the following results from the combination of antibodies and antigens?
a. activation of the pathogen
b. formation of cytotoxic T cells
c. stimulation of phagocytosis
d. activation of toxins
e. inactivation of the complement system
c
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Transmission genetics ____
a. studies the pattern of inheritance as traits are passed from generation to generation b. reconstructs the pattern of inheritance associated with a trait as it passes through several generations c. maps genes to study chromosome structure and abnormalities in chromosome numbers and organization d. uses recombinant DNA technology to identify, isolate, and produce millions of copies of genes that can be studied in the laboratory e. sequences the complete human genome
The mature male gametophyte is indicated by the letter ____
a. A b. B c. C d. D e. E
The receptors shown here are
a. mechanoreceptors. b. thermoreceptors. c. chemoreceptors. d. nociceptors. e. osmoreceptors.
Genes known as ________ encode proteins that stimulate cell division.
Fill in the blank(s) with the appropriate word(s).