A(n) channel opens when a neurotransmitter binds to a protein. A. graded potential
B. voltage-gated
C. chemically gated
D. electrical synapse

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

Solutions to environmental problems in europe must

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits