Which of these provides a non-specific cellular immunity?

a) macrophages
b) T lymphocytes
c) B lymphocytes
d) memory B cells
e) b & c


Answer: a) macrophages

Biology & Microbiology

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Iron meteorites are rare to observe as meteoroids near Earth

a. True b. False Indicate whether the statement is true or false

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Which of the following is a water soluble

vitamin?

a. A b. K c. D d. E e. C

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The detection of nucleotides as they pass through an automated DNA sequencing machine is made by

a. radioactivity. b. fluorescence. c. antibiotic resistance. d. electron microscopy. e. gel electrophoresis.

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Traits that are controlled by several sets or pairs of alleles, such as skin color and height in humans, are the result of what form of inheritance?

A. codominance B. polygenic C. incomplete dominance D. simple Mendelian inheritance E. multiple allele systems

Biology & Microbiology