What is the main role of T cells in the immune response?
A. To recognize sites of infection
B. To stimulate the production of immune cells
C. To secrete antibodies
D. To trigger clonal selection
Answer: B
Biology & Microbiology
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Intervening sequences that are transcribed, but not translated into protein are called
A. exons. B. introns. C. spliceosomes. D. transposons. E. transcription factors.
Biology & Microbiology
The first line of defense in a herbaceous plant is the
a. cork. b. epidermis. c. parenchyma. d. phloem
Biology & Microbiology
__________ is the science of naming and classifying species. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
Which, if any, characteristics of bacterial gene transfer is/are useful in analyzing eukaryotic gene transfer?
What will be an ideal response?
Biology & Microbiology