Which statement best describes the events responsible for the phase represented by the letter B in the figure?

A. the opening of sodium channels
B. the opening and closing of sodium channels
C. the opening of potassium channels
D. the closing of sodium channels and the opening of potassium channels
E. the opening of potassium channels and the closing of sodium channels

Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Which statement best describes how the nucleus, the rough endoplasmic reticulum, and ribosomes interact during protein synthesis?