I would have to say d.Please let me know if i am right.
Malaria is spread by mosquitoes because females pick up a parasite and when they bite someone to nurture their eggs it spreads
Here is a good resource:
https://nhlbi.nih.gov/health/educational/lose_wt/eat/calories.htm
They can keep organ tissue alive for transplantation.
<span>3’ tcgccctactcgcgtacaccgcgtattgac 5’ </span>turns into:
5' agcgggaugagcgcauguggcgauaacug 3'
adenine becomes uracil hope this helped :)