K+ must cross the cell membrane using a membrane protein. Which property of the cell membrane prevents the diffusion of k+

the answer to your question is b

within 30 of the equator hope this

helicase, i think thats it

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.