During an action potential, repolarization occurs as a result of
K ions diffusing to the outside of the cell membrane
K ions diffusing to the inside of the cell membrane
Na ions diffusing to the outside of the cell membrane
Na ions diffusing to the inside of the cell membrane
Na and K ions not diffusing

Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.