Which of the following is false regarding the function of the sympathetic nervous system?
A. Prepares the body for fight or flight
B. Dilates blood vessels
C. Decreases blood flow to digestive organs
D. Signals the heart to beat slower
Answer: D
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Amino acids joining together to make a peptide is a good example of a(n) ________ reaction
A) decomposition B) reversible C) synthesis D) exchange
B. NaIdentify each of the following as an element (A) or a compound (B).
1. CO2 2. C 3. O2
What would happen if all of the hemoglobin contained within the RBCs became free in the plasma?
A) It would drastically increase osmotic colloid pressure. B) It would facilitate oxygen diffusion into cells distant from blood capillaries. C) It would significantly increase blood osmolarity. D) It would considerably increase blood oxygen carrying capacity. E) It would facilitate delivery of oxygen into tissues supplied by small capillaries.
Each complex in the electron transport chain collectively acts as a ________ pump that removes H+ from the mitochondrial matrix and pumps it into the space between the inner and outer mitochondrial membranes.
A. sodium-potassium B. electron C. neutron D. proton E. calcium