The scientific method ________
A) is a rigid methodology that must be precisely followed to ensure validity
B) is a rough recipe for answering questions, but the steps need not be performed in the same order as outlined
C) is undertaken only by trained scientists in a controlled laboratory setting
D) is the means by which absolute truth can be uncovered
B
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In the part of an embryo sac farthest away from the micropyle you should find ____
a. the central cell b. a seed c. the pollen tube d. synergids e. antipodal cells
After completion of a genome sequencing project, the DNA sequences are analyzed to locate and identify genes in a
process called _____. a. automation b. comparative genomics c. physical mapping d. compilation e. annotation
When blood leaves the heart, it first enters
A) capillaries. B) arterioles. C) venules. D) veins. E) arteries.
Humans become infected with Toxoplasma gondii primarily by
A) being bitten by a tick. B) direct skin penetration. C) ingesting food or water contaminated with cysts. D) ingesting meat containing the parasite. E) intimate contact with another person.