Which of these is not a characteristic of synaptic potentials? a. they are all-or-none in amplitude. b. they decrease in amplitude with distance. c. they are produced in dendrites and cell bodies. d. they are graded in amplitude. e. they are produced by chemically regulated gates?

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables