The two different types of light sensitive elements on the retina are classified as（ ）

The photoreceptor protein rhodopsin, which is the light-sensitive protein made by the rod cells in the retina, detects light by means of a small molecule, ________, which is attached to the protein by a covalent bond to a lysine side chain.

Optogenetics is a technique used to ______. A: search for new types of neurons B: turn the cells on and off with light C: develop new tools for cell research D: insert light-sensitive proteins into algae

lens A: bi-convex B: sensitive to<br/>light and make image C: can produce the<br/>aqueous fluid D: middle is the<br/>pupil

At ____________, photography is a chemical process, during which a light-sensitive material is altered when exposed to light.

There are several descriptions about the relationship between Fill Light and light ratio, which one is correct? A: As Fill Light is brighter, the light ratio is smaller. B: As Fill Light is brighter, the light ratio is larger. C: There is no relationship between Fill Light and light ratio D: As Fill Light is darker, the light ratio is larger.

This computer ______ as an iPad. A: almost as light was B: was almost as light C: was as light almost D: D. light as almost was

Light meter has many types. Which one is Independent light meter? A: reflected light meter B: pointer light meter C: Digital LCD Light Meter D: incident light meter

sensitive敏感的

 pressure sensitive adhesive