What Is the Response of the Photoreceptor in the Center

question 45

Essay

What is the response of the photoreceptor in the center of the stimulus? Does it depolarize, hyperpolarize, or stay the same?
B. What is the response of the bipolar cell? Does it depolarize, hyperpolarize, or stay the same? Explain.
C. What type of bipolar cell is illustrated? Is it ON-center/OFF-surround, OFF-center/ON-surround, ON-center/ON-surround, or OFF-center/OFF-surround?
D. What type of neurotransmitter receptor is on the bipolar cell?
E. How does activation of this neurotransmitter receptor result in the graded potential response in this cell with the center light?

---

Definitions:

Phenylketones

Organic compounds containing a phenyl group attached to a ketone group, often discussed in the context of phenylketonuria, a metabolic disorder.

Tachypnea

An abnormally high rate of breathing, which may be indicative of respiratory distress or other health issues.

NICU

A specialized hospital unit for the care of premature and critically ill newborns, standing for Neonatal Intensive Care Unit.