A chemical synapse ALWAYS includes ________.
1. axon terminal
2. presynaptic cell
3. synaptic cleft
4. postsynaptic cell
5. dendrite
A) 2, 3, 4
B) 2, 3, 4, 5
C) 1, 3, 4
D) 1, 2, 3, 4
E) 1, 2, 3, 4, 5
D) 1, 2, 3, 4
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Changes in pH and PCO2 alter the shape of the oxygen equilibrium curve for the respiratory pigments in many species, a phenomenon termed the __________
Fill in the blank with correct words.
Which of the following lipids do not contain fatty acids?
a. phospholipids b. cholesterol c. triglycerides d. both A and B above
Fibers that enter and leave the sympathetic chain without synapsing form structures called ________.
A) white rami communicantes B) gray rami communicantes C) spinal nerves D) splanchnic nerves
true or false? A stop codon codes for an amino acid as well as the signal to stop.
a. true b. false