Collecting data without a specific hypothesis in mind is called

A. reductionism.
B. hypothesis testing.
C. discovery-based science.
D. theoretical.
E. All of these choices are correct.


C. discovery-based science.

Biology & Microbiology

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Which of the following is a process by which an initial set of genes turns on a second set of regulatory genes, which eventually turns on a third set of genes?

A) the sonic hedgehog sequence B) the genetic cascade C) developmental chain reaction D) somite production E) gastrulation

Biology & Microbiology

Which of the following involves a positive feedback

system? a. temperature control b. labor and delivery of the fetus c. glucose concentration d. absorption of toxins e. muscle contraction

Biology & Microbiology

The muscles of your lower leg are arranged in antagonistic pairs so that you

A) can both flex and extend your leg. B) can stand upright. C) obtain a stronger contraction than you would with a single muscle. D) have a backup when one muscle is not strong enough.

Biology & Microbiology

Microorganisms may aggregate and glue themselves to teeth to form dental plaque. This is an example of:

A. a biofilm B. a dentifrice C. halitosis D. a dontoid layer E. annealed enamel

Biology & Microbiology