When an object with blood on it touches one that does not have blood on it, this produces a(n)

A) contact pattern.
B) flow.
C) trail pattern.
D) void.


Answer: A) contact pattern.

Biology & Microbiology

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The transduction of sound waves into action potentials takes place _____

A) within the tectorial membrane as it is stimulated by the hair cells B) when hair cells are bent against the tectorial membrane, causing them to depolarize and release neurotransmitter that stimulates sensory neurons C) as the basilar membrane becomes more permeable to sodium ions and depolarizes, initiating an action potential in a sensory neuron D) as the basilar membrane vibrates at different frequencies in response to the varying volume of sounds E) within the middle ear as the vibrations are amplified by the malleus, incus, and stapes

Biology & Microbiology

Allopatric speciation occurs because a population

A. merges with another population of the same species. B. becomes geographically isolated and undergoes genetic change. C. becomes extinct and is replaced by a population of a different species. D. shows no genetic change from generation to generation. E. hybrid sterility occurs.

Biology & Microbiology

What is the correct pathway for a neural impulse?

a. Interneuron - motor - sensory b. Sensory - motor - interneuron c. Motor - sensory - interneuron d. Motor - sensory - interneuron e. Sensory - interneuron - motor

Biology & Microbiology

Which of the following substances found in C4

plants has four carbon atoms? a. phosphoglycerate (PGA) b. ribulose bisphosphate (RuBP) c. phosphoglyceraldehyde (PGAL) d. glucose e. oxaloacetate

Biology & Microbiology