When monocytes migrate from the blood out to the tissues, they are transformed by inflammatory mediators to develop into ________.
A. macrophages
B. cytotoxic T cells
C. killer T cells
D. primary phagocytes
E. neutrophils
Answer: A
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Ecology and environmentalism are the same scientific discipline.
Answer the following statement true (T) or false (F)
What is the leading hypothesis for what might have brought about the extinction of the dinosaurs?
A. Competition from mammals B. A new disease C. Massive volcano eruptions D. An asteroid impact
Pseudogenes are _____
A) composed of RNA, rather than DNA B) the same things as introns C) unrelated genes that code for the same gene product D) nonfunctional vestigial genes
The energy captured by photophosphorylation is used to produce glucose
A) through the Calvin-Benson cycle. B) through the Krebs cycle. C) by cyclic phosphorylation. D) through the pentose-phosphate pathway. E) by beta-oxidation.