Girmancin - shi ne don kara girman da kuma nauyi na rayayyun kwayoyin halitta. Girmansu da ci

Halittu masu rai girma da kuma ci gaba. Kowane kwayoyin fara ta tafiya tare da guda cell. A hankali, tsokoki da kuma gabobin suna kafa. A ci gaba da kuma ci gaban rayayyun kwayoyin halitta - shi ke ba da wannan abu. Height - wannan karuwa a size da kuma nauyi. Amma rayayyun kwayoyin halitta da kuma ta haka wuce ta hanyar jerin canje da cewa sun hada da wani tsari kamar ci gaba.

Mene ne ci gaban da wani rai gabar?

Tunanin wani jariri. Yana da dukan halaye na fara tasawa, amma yana da matukar kankanin. A tsawon shekaru da yara ne ya fi girma, kuma sannu a hankali zama kamar manya. Wannan tsari - girma ko karuwa a size da kuma taro na rayayyun kwayoyin halitta. Amma kadan baby ya sau guda cell, to, wanda aka juya a cikin wani zygote, sa'an nan 'ya'yan itace, sa'an nan a cikin wani kankanin baby.

A wasu kwayoyin, girma yana da nasaba da m canji. Dauki, misali, malam. Ta farawa daga matsayin tsutsa, sa'an nan ya jũya a cikin wani matafila, sa'an nan a chrysalis daga abin da kwari da kyau malam. Duk abu mai rai girma da kuma ci gaba.

Saboda haka, da tsire-tsire Kwatsam daga cikin iri da kuma zama babban itace, flower ko shrub. Wasu kwayoyin a lokacin girma kasance irin wannan a cikin bayyanar ga iyayensu, da kuma wasu na iya samun wasu qananan canje-canje - shi duka dogara a kan itatuwa aure.

Girmansu da ci - ne wanda kuma wannan?

Wadannan biyu Concepts wani lokaci ana yi aiki a matsayin m, amma har yanzu girmansu da ci daga rayayyun kwayoyin halitta bayyana mutum events in girma kungiyoyin. Development - shi ne ci gaban daga baya zuwa daga baya matakai na ripening, misali, zuriyar tasowa a cikin wani balagagge itace. Wannan ne tsari da wanda ya samar da kyallen takarda, gabobin da kuma dukan tsire-tsire. Ya unshi girma, morphogenesis (sayan tsari da kuma tsarin) da kuma bambantawa. The hulda da muhalli da kuma kayyade umarnin, sun gaji Kwayoyin aka ƙaddara ta yadda zai samar da wani takamaiman kwayoyin.

Girmancin - shi ne ba kawai da karuwa a cikin size da kuma nauyi na rayayyun kwayoyin halitta, shi ne kuma rashin komowar canji a cikin size of Kwayoyin da gabobin saboda su division da kuma fadada su. Yana haka ya faru da cewa, bayan da ya kai wani mataki, wannan tsari slows saukar ko tsaya a nan ba, amma wani lokacin da Kwayoyin ci gaba da raba illa ma sha Allahu (shi ke mafi for shuke-shuke).

Tsire-tsire ta bambanta daga dabbobi a su girma. Saboda haka, kamar yadda matasa dabbobi girma sama da dukan sassa na jikinsu girma har suka kai wani size ne genetically ga kowane jinsin. A ci gaba da shuke-shuke, a daya hannun, ya ci gaba cikin rayuwa da kuma iyakantacce ne kawai wasu meristems.

Girmancin cikin sharuddan biomass

Kara girman da taro na rayayyun kwayoyin halitta za a iya auna cikin sharuddan biomass, Ina nufin kayyade adadin Organic abu fãce ruwa. Da kwayoyin ke tsiro da mitotic division (mitosis). Wannan tsari yana tare da wani karuwa a cell size. Saboda haka, kara girman da kuma nauyi na rayayyun kwayoyin halitta - su tsawo - shi ne daya daga cikin manyan siffofin na duk halittu, tare da gaban metabolism, da ikon mayar da martani ga samuwar kasashe, ƙungiyoyi, kuma haka a kan kiwo.