The process through which professional scientists evaluate the quality of each others’ research is called

The correct answer is- Peer review.

Peer review can be described as a process/ a method of evaluation, according to which by which quality of  research that is proposed by experts ( such as publication or scientific research by a scientist) is evaluated by an expert ( who is another scientist in that area/ field).

Thus, given statement describes peer review.

2%? i tried finding the exact sorry if it's not 100% correct ; -;

the answer is b.) hydrogen bonds between bases.