Which of the following acts as a chemotactic factor?

A) C5a
B) interferon ?
C) leukotriene
D) MAC
E) factor P


A
Bloom's Taxonomy: Comprehension
Section: The Body's Second Line of Defense
Learning Outcome: 15.17

Biology & Microbiology

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The inorganic non-protein components that participate in enzyme catalysis are known as  

A.  coenzymes. B.  cofactors. C.  products. D.  substrates. E.  reactants.

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When two traits are analyzed separately, then the frequencies of each are combined to yield the observed phenotypic ratios, this confirms the principle of ____________________

Fill in the blank(s) with correct word

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Which of the following types of work involves a change in position of the cell or a cell structure?

A) bioluminescent B) electrical C) mechanical D) synthetic E) concentration

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What are attached at the centromere?

A) Homologous chromosomes B) Sister chromatids C) Daughter cells D) Genomes

Biology & Microbiology