1. A ligand that is can find its receptor in the and usually requires the use of
Answer 1. Hydrophobic - nucleus - plasma binding protein
2. Hydrophobic - plasma membrane - second messengers
2. Dr. Scarlet was given a sample from non-human heart. In comparison to a human heart,
the sample has more electrical synapses. Consequently, Dr. S correctly states that the
sample than a human heart.
Answer 1. Will be utilizing fewer neurotransmitters
2. Has more messages moving in multiple directions
3. For a typical neuron, its sends information and its receives informa- tion.
Answer 1. Axon - dendrites
4. In the peripheral nervous system, myelin is produced by and cover
axon.
Answer 1. Schwann cells - only one
1/7
, 5. Which statement is a correct statement about an afferent neuron?
Answer 1. It will be
assisted by Schwann cells
2. Some of its parts are within the peripheral nervous system
3. It receives information from other cells vis its axon terminal
6. The movement of ligands is in the plasma and across a plasma
membrane without proteins
Answer 1. Lipophilic - hindered - unhindered
2. Hydrophilic - unhindered - hindered
7. Your Phellow Physer Carmen Oh and sibling, Canvas, were debating physiol- ogy. Carmen
stated that all membrane-bound receptors must be transmem- brane. Canvas stated that all
integral proteins are membrane-bound receptors. When asked to verify these statements, you
correctly determine that.
Answer 1. Only Carmen was correct.
8. To release lipophobic paracrines, a cell will utilize and its size will
Answer 1. Exocytosis -- increase
2/7