Which of the following correctly describes the order of events that occur when you touch a very hot surface?
1) action potential in sensory neuron
2) sensory receptor absorbs energy from stimulus
3) receptor potential produced
4) stimulus is transduced into electrical energy
a. 1 ? 3 ? 4 ? 2
b. 2 ? 1 ? 4 ? 3
c. 2 ? 4 ? 3 ? 1
d. 4 ? 1 ? 3 ? 2
e. 3 ? 1 ? 4 ? 2
c
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Protists do not constitute a kingdom because they do not share a unique common ancestor
Indicate whether the statement is true or false.
A bacteriophage transfers a random fragment of DNA of the previous host to the current host. This is an example of
A. the creation of an Hfr cell. B. generalized transduction. C. conjugation. D. specialized transduction.
The oxygen (O2) produced by photosynthesis comes from carbon dioxide (CO2).
a. true b. false
Reverse transcriptase is associated with which of the following?
A. dsDNA viruses B. +ssRNA viruses C. -ssRNA viruses D. retroviruses E. dsRNA viruses