Cov ntses muaj yeeb yuj (Paracheirodon innesi) ua iridescence los ntawm lub teeb bouncing tawm pawg ntawm guanine platelets hauv nws cov nplai. Los ntawm tilting cov platelets, cov ntses tuaj yeem hloov qhov sib nrug ntawm lawv thiab lub wavelength ntawm lub teeb uas lawv xav txog.
Puas yog ntses nplais iridescent?
Cov kws tshawb fawb tau tshawb pom tias dab tsi cuam tshuam iridescence rau tis ntawm kab thiab nplai ntses. … Cov chaw no muaj kev cuam tshuam lub teeb ntau dua li ntau tus neeg tsim cov qauv, tsim cov xim hlau iridescence lossis dazzling nyiaj ci uas peb pom hauv lub ntiaj teb ntuj tsim.
Dab tsi ua rau ntses nplai ci ci?
Ntau yam khoom zoo nkauj hauv khw niaj hnub no muaj cov nyhuv pearly iridescent ua tsaug rau molecule hu ua guanine. Qhov no yog qhov sib xyaw ua ke uas ntses ib txwm loj hlob ntawm lawv daim tawv nqaij hauv daim ntawv ntawm cov pob zeb me me thiab qhov ntawd, ua ke nrog cytoplasm, tsim cov yam ntxwv ntawm cov xim hlau ntawm cov tsiaj no.
Puas yog ntses nplais hlau?
Nyob rau hauv txoj kev tshawb fawb tshiab, Lia Addadi thiab cov npoj yaig tau sau tseg tias cov kws tshawb fawb tau paub ntau xyoo tias guanine crystals hauv daim tawv nqaij hauv qab cov nplai ntawm cov ntses cuam tshuam lub teeb los tsim cov iav zoo li lub ntsej muag. …
Dab tsi ua rau ntses nplai?
Ntses nplai yog ib feem ntawm cov ntses qhov kev sib koom ua ke, thiab yogtsim los ntawm txheej mesoderm ntawm dermis, uas txawv lawv ntawm cov tsiaj reptiles. … Cov placoid nplais ntawm cov ntses cartilaginous tseem hu ua dermal denticles thiab yog structurallyhomologous nrog vertebrate hniav.
