To see gradual variations in shading, we rely on cells that respond best to ___ but to see abrupt changes in light versus dark, we rely on cells that respond best to ___.
a. low frequency stimuli; sine wave gratings
b. high frequency stimuli; low frequency stimuli
c. sine wave gratings; Mach bands
d. low frequency stimuli; high frequency stimuli
Question 2
During LTP, the first few pulses of glutamate:
a. Dislodge the magnesium ions from the NMDA receptor
b. Allow sodium and calcium ions to enter
c. Increase the likelihood the neuron will fire, and increase the number and sensitivity of AMPA receptors
d. All of the above
Fates of hematopoietic stem cells
Normal red blood cells.
Types and characteristics of stem cells for culture
Microscopic view of glucagon and insulin secreting cells in the islet Langerhan
White Blood Cells
T Cells: Development of Self-Recognition and Self-Tolerance