Examlex
What is the name of the enzyme that adds CCA to the 3' end of tRNAs?
Rods
Retinal receptors that detect black, white, and gray; necessary for peripheral and twilight vision, when cones don’t respond.
Iris
The colored part of the eye that controls the size of the pupil and thus the amount of light that enters the eye.
Light Entry
The process or manner by which light enters an area or passes through a medium.
Young-Helmholtz Theory
A theory of color vision that proposes the presence of three types of color receptors in the eye, each sensitive to red, green, or blue light.
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