Dynein is a mitochondrial enzyme
Indicate whether the statement is true or false
F
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Explain how sensory coding and processing allow the central nervous system to communicate information on the four properties of a stimulus.
What will be an ideal response?
________ hairs are coarse pigmented hairs
A) Vellus
B) Dense
C) Follicular
D) Terminal
E) Keratinous
Tennis elbow is a common term describing injury to the attachment of which of the following?
A. Flexor digitorum profundus B. Pronator quadratus C. Extensor carpi radialis longus D. Subscapularis E. Extensor hallucis longus
A positive feedback loop occurs when the outcome of an event causes the event to continue occurring and amplifies its effects. Which of the following aspects of an action potential constitutes a positive feedback loop?
A. Opening of voltage-gated sodium channels causes voltage-gated potassium channels to open and release potassium to the extracellular environment, slowly counteracting sodium influx. B. The sodium-potassium pump exactly balances ion leaks by pumping three sodium and two potassium ions across the membrane. C. An initial flow of sodium ions into the neuron opens voltage-gated sodium channels, rapidly causing more sodium to enter. D. The threshold potential is around -55mV.