As nouns the difference between protein and polypurine

is that protein is protein while polypurine is (biochemistry) a continuous sequence of purines in a protein.

Polypurinic is a derived term of polypurine.

As a noun polypurine is

(biochemistry) a continuous sequence of purines in a protein.

Photoisomerize is a alternative form of photoisomerise.

Photoisomerise is often a misspelling of photoisomerize.

Photoisomerise has no English definition.

As a verb photoisomerize is

to cause a structural change between isomers through photoexcitation.

As a noun isomer

is isomer.

As a verb photoisomerize is

(chemistry) to cause a structural change between isomers through photoexcitation.

In chemistry terms the difference between photoexcitation and photoisomerize

is that photoexcitation is the formation of an excited state by the absorption of a photon while photoisomerize is to cause a structural change between isomers through photoexcitation.

As a noun photoexcitation

is the formation of an excited state by the absorption of a photon.

As a verb photoisomerize is

to cause a structural change between isomers through photoexcitation.

Photoisomerization is a derived term of photoisomerize.

In chemistry|lang=en terms the difference between photoisomerization and photoisomerize

is that photoisomerization is (chemistry) the formation of isomers via photoexcitation while photoisomerize is (chemistry) to cause a structural change between isomers through photoexcitation.

As a noun photoisomerization

is (chemistry) the formation of isomers via photoexcitation.

As a verb photoisomerize is

(chemistry) to cause a structural change between isomers through photoexcitation.

Nonperiodic is a derived term of nonperiodicity.

Nonperiodicity is often a misspelling of nonperiodic.

Nonperiodicity has no English definition.

As an adjective nonperiodic is

not periodic; lacking a regular cycle; irregular.

As adjectives the difference between radiate and nonradiate

is that radiate is radiating from a center; having rays or parts diverging from a center; radiated while nonradiate is not radiate; lacking a radial arrangement.

As a verb radiate

is to extend, send or spread out from a center like radii.

As a noun radiate

is (zoology) one of the radiata.

As adjectives the difference between radial and nonradiate

is that radial is arranged like rays that radiate from, or converge to a common centre while nonradiate is not radiate; lacking a radial arrangement.

As a noun radial

is a radial tire / radial tyre.

Nonradiative is a see also of nonradiate.

As adjectives the difference between nonradiative and nonradiate

is that nonradiative is not radiative while nonradiate is not radiate; lacking a radial arrangement.