Which of these occurs when light strikes photoreceptors?
A. The chromophore retinal undergoes a change of shape.
B. There is an increase in neurotransmitter release from photoreceptor cells.
C. The photoreceptor cell membrane becomes depolarized.
D. The concentration of cyclic GMP inside cells increases.
E. The photoreceptor cells are stimulated and fire action potentials.
A
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Which of the labeled layers in the diagram of the arterial wall is composed of a simple squamous epithelium, a basement membrane and a layer of elastic tissue?
a) A b) B c) C d) A and B e) A, B, and C
The rough ER synthesizes proteins within their interconnected sacs
Indicate whether the statement is true or false
At what developmental stage do red blood cells leave the bone marrow and enter the circulating blood?
A. Erythrocyte B. Precursor cell C. Erythroblast D. Reticulocyte E. Myeloblast
Brain damage to the Wernicke's area will result in what?
A. Inability to understand language spoken to them B. Inability to speak C. Inability to respond to language spoken to them D. None of these answers are correct