Action potentials normally travel along an axon
A) toward the cell body.
B) away from the cell body.
C) either toward or away from the cell body.
Answer: B
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Archaea are characterized by several unique structural and metabolic features that confer an ability to grow in extreme environments, or those in which energy availability is too low to support growth of bacteria or eukaryotes
What are four metabolic capabilities that Archaea possess that enable them to survive in extreme environments on Earth such as hydrothermal vents, acid mine water, the rumens of cows, or salty waters? What will be an ideal response?
Movement of charged molecules in an electrical field, which is used to separate nucleic acid fragments for recombinant DNA work, is called ________.
A. nucleophoresis B. electrophoresis C. iontophoresis D. plasmaphoresis
When a substance moves across the plasma membrane along a concentration gradient at a rate faster than would be expected by simple diffusion alone but without the expenditure of metabolic energy, the process is best described as
a. facilitated diffusion b. osmosis c. active transport d. pinocytosis e. the work of an ion pump
Fatty acids that contain double-bonded carbon atoms are called ________
Fill in the blank(s) with correct word