The cell membranes of photoreceptors contain sodium and calcium channels that are normally ___.
A) open
B) closed
C) depolarized
D) refractory
Correct Answer:
Verified
Q4: Humans can "see" only about _ of
Q5: The process of focusing on near or
Q6: The photoreceptors:
A)Are sandwiched between the bipolar and
Q7: When light strikes photoreceptors,which of the following
Q8: When light hits photoreceptors,the photoreceptors _,and the
Q10: When light strikes a molecule of photopigment,the
Q11: What role do the muscles connected to
Q12: There are approximately _ light receptors in
Q13: The human eye is an organ specialized
Q14: The unit of measurement of wavelengths of
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents