Answer the following statements true (T) or false (F)
1. The Nernst Equation is: E = 60 mV log10 ([Xextracellular/Xintracellular]). Given this, the equilibrium potential for a given ion would be increased with an increase in its intracellular concentration.
2. Action potentials are typically also characterized as graded potentials.
3. Saltatory conduction is often studied in large marine invertebrates such as the giant squid.
4. The exposed, unmyelinated gaps between glia on myelinated axons are also sites of voltage-gated Na+ channels.
1. FALSE
2. FALSE
3. FALSE
4. TRUE
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With regards to operons, which of the following is incorrect?
A. operons have a promoter that contains an operator B. are typically controlled by a regulatory gene that is located far from the actual operon C. results in several different RNA molecules each leading to the protein specified by each gene segment in the operon D. may be turned on or off E. may be repressible or inducible
Fluid that collects in tissues is returned to the bloodstream by the
A. lymphatic system. B. digestive system. C. excretory system. D. endocrine system. E. vascular system.
If K (carrying capacity) for a population is 1,200, and
r = 0.9, which of the following populations will show the greatest increase over the course of one year assuming exponential growth? a. N = 100 b. N = 200 c. N = 300 d. N = 700 e. N = 900
Ligaments connect what to what?
What will be an ideal response?