When norepinephrine is release at the synapse Group of answer choices

blood pressure will be dropped.

neurons will be inhibited.

the heart rate will decrease.

the heart rate will increase.

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

One of the purposes of transcription is to produce a sequence of bases that

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.