Mitochondria contains special enzymes that muscle cells need to utilize oxygen.
If Jane gets bitten by a mosquito, the role the mosquito played in the chain of transmission is vector transmitting.
If your full question is
Which risk factor is least likely to result in someone contracting HIV infection?a.Multiple sexual contacts
b.Hemophilia
c.Intravenous drug use
d.<span>Working with AIDS patients
your answer is undoubtedly D, working with AIDS patients.</span>
Cephalization concentrates sensory organs in the C) anterior end of an animal.
None really unless you are talking about an animal
