Tsarin fasali da kuma tsarin da Chlamydomonas

Chlamydomonas - guda-celled kwayoyin, da hallmark abin da yake gaban biyu apical flagella. Yana da wani HALITTAR na kore algae da cewa na zaune a cikin m ruwa da kuma rigar ƙasa, kazalika a sabo ne ko teku ruwa. A tsarin da Chlamydomonas yana da yawan fasali. Daga cikin wadannan ion tashoshi da cewa an kunna ta kai tsaye daukan hotuna zuwa ga haske, da kuma ja photosensitive ido da kuma hadadden dokokin tsarin.

Chlamydomonas: general bayanai

By irin abinci mafi daga cikin jinsin su ne obligate phototrophic. Amma wasu suna facultative heterotrophs, wanda zai iya girma a cikin duhu, ta amfani kamar yadda carbon kafofin acetate. A ta ilimin halittar jiki ne mobile unicellular algae, yawanci m. Cell bango kunshi wani glycoprotein. Chlamydomonas haifa biyu jima'i da kuma asexually.

Akwai game da 150 jinsunan. Chlamydomonas rayayye proliferates a wani gumi yanayi, kazalika da a ruwa-m ammonium mahadi. Features na tsarin Chlamydomonas hada gaban pigments. A cike da laka kore launi na ruwa a cikin m ruwa saboda gaban dubban flagellated kwayoyin. Bright ja pigment daga daya jinsin taimaka wa batawa habitats a ja ko ruwan hoda launi. Wasu jinsunan da ake samu a cikin mafi m wurare, kamar a cikin m teku ruwa.

A tsarin da Chlamydomonas

A cikin mahaifa kashin baya ne biyu flagella, shan ta asalin daga muhimmi hatsi dake a cikin cytoplasm. Kwasfan dirkoki guda contractile vacuole. A tsarin da Chlamydomonas Kwayoyin nuna kasancewar wani kofin-dimbin yawa chloroplast, inda ne cell tsakiya. Akwai aka kafa daga kayayyakin na photosynthesis sitaci da kuma gina jiki, kewaye da hatsi na sitaci. Peephole cikin wani tabo ne ba a gaban chloroplast. Ya kunshi biyu ko uku, fiye ko žasa layi daya layuka na linearly shirya mai droplets.

Features na tsarin

A ta vegetative mataki da kwayoyin yana da matukar sauki tsarin. Its size dabam tsakanin 0.02 mm. Kowane cell yana da wani mai siffar zobe, ellipsoidal, cylindrical ko pear siffar. Bã su da wani hali don nuna a ƙarshen gaban. Structure Chlamydomonas cell qunshi wani bakin ciki gina garu, biyu flagella, kazalika da biyu contractile vacuoles alhakin numfashi da kuma tukar tumbi. A orange-ja pigment ko eyelet (stigma) adana a cikin cell bango thicker, kuma ya aikata aikin da aiki na wani m kamar yadda yana da matukar muhimmanci ga haske. Wasu jinsunan iya zama a gaban biyu ko uku ido aibobi. high cupped chloroplast, wanda aka located a cikin zuciyar da aka located a cikin widest sashi na jiki a cikin cytoplasm.

Yaya tsarin tantanin halitta da sake yiwuwar tohowarsu?

Chlamydomonas tsarin shigarsu wasu canje-canje a lokacin cell division. Sake yiwuwar tohowarsu, ta auku a cikin wadannan hanya: halittar sharadi gwargwado kafa zoospores cell haka ne ya zama tsayayyen, flagella fãta ko jefar bace kuma contractile vacuoles protoplast raba longitudinally shiga kashi biyu, kowanne daga abin da, bi da bi, ne zuwa kashi 2 sassa. Saboda haka, duk wani cell samar 2 zuwa 16 Ni kama tsarin. A hankali, matasa mutane bayyana duk Tsarin halayyar kore algae: flagella, vacuoles, da sauransu. Kowace daga cikinsu tasowa a cikin wani sabon shuka. Wannan rabuwa aiwatar an maimaita kowace 24 hours. Kamar haka nan da karshen mako daga daya uwa shuka samar game da miliyan biyu da mutane da kafa.

Features na jima'i haifuwa

A lokacin jima'i haifuwa cell protoplast raba su da 16, 32 ko 64 flagellates gametes cewa zai iya zama uncoated ko fursunoni a cikin cell bango. Sex Kwayoyin fis a nau'i-nau'i samar da wata zygote. A sakamakon haka, shi ne taso keya, fitarwa flagella, forming wani lokacin farin ciki bango a kusa da cytoplasm da shanku zuwa kasa da tafki domin kara raya. A wannan tsari shi ne barga zuwa da zazzabi, kuma zai tsira ko idan tafki da ta kafe. Zoospores da gametes ne morphologically kama. Sun bambanta kawai a girman da hali. Wannan bambancin taso saboda mafi raka'a uwar cell a lokacin da samuwar gametes. Saboda haka, kananan mutane rasa su ikon kai-abincinsa.