Ascientist working in which area of biology is most likely to study dna ?

What does it mean for a cell membrane to be selectively permable

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

What are the three types of counseling established by marine corps policy?