Which of the following is an example of an active transport mechanism? protein channel
sodium-potassium pump
potassium channel
facilitated diffusion

I’m stuck on this question cuz i’m stupid sksksksk

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

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is