Antibody-producing cells in humans are called ________
A) macrophages
B) plasma cells
C) T cells
D) NK cells
E) hybridoma cells
B
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Which of the following would be most likely to lead to the development of cancer?
A. the activation of a tumor suppressor gene B. the activation of a proto-oncogene C. the activation of an oncogene and an inactivating mutation in a tumor suppressor gene D. the activation of an oncogene and the activation of a tumor suppressor gene
People with a large amount of a certain type of connective tissue are least likely to be sensitive to cold. Which type of
tissue is this? a. cartilage b. adipose c. blood d. dense connective e. loose connective
__________ is the only disease to have been eradicated from causing natural infections. Fill in the blank(s) with the appropriate word(s)
The photoreceptor for photoperiodism and some other light-initiated plant responses is a group of
blue-green pigments named:a. xanthophyll. b. carotene. c. chlorophyll. d. phytochrome. e. phycocyanin