Fentanyl is in a class of drugs called opioid analgesics, which work by binding to nervous system proteins called opioid receptors, thereby blocking the transmission of pain signals to the brain.Duragesic is a transdermal (through-the-skin) patch.entanyl skin patches are only used to treat people who are tolerant (used to the effects of the medication) to narcotic pain medications. Fentanyl is in a class of medications called opiate (narcotic) analgesics. It works by changing the way the brain and nervous system respond to pain.
Answers. Best Answer: 1 anisogamy (reproduction by the union or fusion of two differing gametes (especially differing in size) 2 Gonad is the generic term for either testes or ovaries 3 Gametes are haploid 4 Disease and disorders are passed on.
How many different kinds of gametes can individuals with each of the following genotypes produce? a. AA 1 kind of gamete = A b. aa 1 kind of gamete = a c. Aa 2 kinds of gametes = either A or a in equal proportions d. AaBB 2 kinds of gametes = either AB or aB in equal proportions e. AaBb 4 kinds of gametes = AB, Ab, aB , and ab in equal proportions f. AaBbCC 4 kinds of gametes = ABC, AbC, aBC , and abC in equalproportions g.