The process of the plasma membrane pumping excess sodium out of a cell into an environment where there is higher concentration of sodium is called A. diffusion
B. active transport
C. osmosis
D. coupled transport

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection

How far away is the nearest black hole from earth?

How would you describe an allele that be expressed and determines an organisms appearance? a.uncapitalized b.responsive c.recessive d.dominant