How many possible 10 amino acid proteins are there?
A) ~100
B) ~10,000
C) ~100,000,000
D) ~10,000,000,000,000
Ans: C) ~100,000,000
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Which of the following is not associated with salutatory propagation?
A. myelation B. nodes of Ranvier C. variable concentration of voltage-gated Na+ and K+ channels along the axon D. faster signal transmission E. extremely low threshold potential
Skin contains
a. free neuron endings. b. encapsulated neuron endings. c. no nervous tissue. d. both a and b.
Loose connective tissue proper contains
A) fixed and wandering cells B) a tight framework C) parallel, packed fibers D) a solid ground substance E) only elastic fibers
In the process of scientific inquiry one must make a hypothesis and a prediction, what is the difference between the two?
A. A hypothesis is the question the experiment is trying to answer and a prediction is a general statement or default position that there is no relationship between two measured phenomena. B. A prediction leads to the formulation of a hypothesis. C. A hypothesis and a prediction are the same thing D. A hypothesis is an explanation that makes a testable prediction and predictions describe observable outcomes of particular conditions.