Contact dermatitis involves
A. T lymphocytes secreting inflammatory cytokines.
B. an allergen entering the skin.
C. a sensitizing and provocative dose.
D. the production of itchy papules and blisters.
E. All of the choices are correct.
Answer: E
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The specific discipline that linked Mendel's and Darwin's work was ____
a. population ecology b. paleobiology c. population genetics d. biogeography e. modern synthesis
The process that uses short, synthetic, double-stranded RNAs to intentionally bind mRNAs thereby diminishing gene expression is called ________.
A) CRISPR technology B) recombination C) molecular pharming D) antisense technology E) bioremediation
The female gametophyte is the
a. flower. b. ovule. c. embryo sac. d. carpel. e. ovary.
Which of the following is used by phylogenetic biologists to determine how organisms are related evolutionarily?
A. DNA analysis B. fossils C. comparative studies of the anatomy of organisms D. All of these answers are correct.