I think the correct answer is option B. A newborn child is experiencing severe heart problems and has abnormally short limbs is caused by exposure to radiation. Exposure to this causes disturbance to the early development of the baby.<span />
Nitrogen fixation, N2 --> NH3+, is not something that plants to by themselves but some plants have bacteria that does this. I believe that pea plants have these, but I'm not 100% sure.
Binds to the mRNA’s start codon