Baeloji ea Sekolo se Phahameng

Lipotso tsa Mehlala tse Buisanang ka Likarolo tsa Chromosome Li-chromosome ke meaho e nang le DNA e fumanoang ka har'a lisele 'me ke likarolo tsa bohlokoa bakeng sa lefa la liphatsa tsa lefutso. Ho utloisisa sebopeho le ts'ebetso ea li-chromosome ke motheo oa bohlokoa thutong ea liphatsa tsa lefutso. Sehloohong sena, re tla buisana ka lipotso tse 'maloa tsa mehlala mabapi le likarolo tsa chromosome le ho fana ka litlhaloso ho matlafatsa kutloisiso ena. Sehlooho sena se lebelletsoe ho… Bala haholoanyane

Lipotso le Puisano tsa Mohlala oa Chromosome Li-chromosome ke meaho e nang le DNA e bohlokoa liseleng tsa lintho tse phelang. Li-chromosome li na le tlhahisoleseling ea liphatsa tsa lefutso e fetisetsoang ho batsoali ho ea ho bana ba bona 'me e fumana litšobotsi tse fapaneng tsa liphatsa tsa lefutso tsa motho eo. Sehloohong sena, re tla tšohla mohopolo oa motheo oa li-chromosome, mefuta ea tsona, 'me re hlahise lipotso tse' maloa tsa mehlala le lipuisano tsa tsona. Sena se ikemiselitse ho… Bala haholoanyane

Mehlala ea Lipotso Tse Buang ka Tlhophiso ea DNA kapa Sephutheloana ka Liseleng Selelekela DNA, kapa deoxyribonucleic acid, ke molek'hule e jereng tlhahisoleseling ea liphatsa tsa lefutso linthong tse phelang. Ka har'a lisele, DNA e tlameha ho pakoa ka katleho e kholo ho lekana ka har'a khubu e nyane ha e ntse e lula e le bonolo bakeng sa lits'ebetso tsa bohlokoa tse kang ho ikatisa le ho ngola. Tlhophiso le… Bala haholoanyane

Mohlala oa Lipotso tsa Puisano ea ho Ikatisa ha DNA Ho ikatisa ha DNA ke ts'ebetso ea motheo ea baeloji 'me ho bohlokoa bakeng sa ho pholoha ha lintho tse phelang. Ts'ebetsong ena, limolek'hule tsa DNA lia ikatisa e le hore sele e 'ngoe le e 'ngoe ea morali e fumane kopi e tšoanang ea DNA ea sele ea motsoali. Ho utloisisa mokhoa oa ho ikatisa ha DNA ho bohlokoa maemong a baeloji ea limolek'hule le lits'ebetsong tse sebetsang joalo ka lipatlisiso... Bala haholoanyane

Puisano ea Bothata ba Mohlala oa DNA ea Watson le Crick Ka 1953, James D. Watson le Francis H.C. Crick ba ile ba sisinya lefats'e la saense ka ho phatlalatsa sebopeho sa molek'hule ea DNA. Tšenolo ena ea sebopeho sa helix e habeli e fane ka motheo oa ho utloisisa mekhoa ea lefa la liphatsa tsa lefutso 'me ea bula tsela bakeng sa tsoelo-pele e ikhethang liphatsa tsa lefutso tsa sejoale-joale. … Bala haholoanyane

Sehlooho: Lipotso tsa Mehlala le Puisano ea Melao ea ho Kopanya Motheo Selelekela Liphatseng tsa lefutso, melao ea ho kopanya motheo ke motheo oa bohlokoa o hlalosang kamoo likhoele tsa DNA le RNA li thehoang le ho sebetsa kateng. Ho DNA, li-base tsa naetrojene lia kopana ka ho khetheha: adenine (A) e tsamaisana le thymine (T), 'me guanine (G) e tsamaisana le cytosine (C). Ho RNA, uracil (U) e nkela thymine sebaka. Melao ena… Bala haholoanyane

Sehlooho: Mohlala Potso Puisano mabapi le ho Kopanya Nucleotides Selelekela Nucleotides ke motheo oa li-nucleic acid, e leng motheo oa li-macromolecule tsa bohlokoa bophelong, joalo ka DNA le RNA. Nucleotides li bapala karolo ea bohlokoa ho bolokeng le ho fetisetsa tlhahisoleseling ea liphatsa tsa lefutso linthong tse phelang. Ho utloisisa sebopeho le mosebetsi oa li-nucleotide le hore na li kopanngoa joang ho ba li-polymer tsa DNA kapa RNA ke motheo oa baeloji… Bala haholoanyane

Lipotso tsa Mehlala tse Buisanang ka DNA le Liphatsa tsa lefutso Selelekela Lefapheng la baeloji ea limolek'hule, DNA (Deoxyribonucleic Acid) le liphatsa tsa lefutso ke likhopolo tsa motheo tse thehang motheo oa ho utloisisa lefa la litšobotsi le ts'ebetso ea lintho tse phelang. DNA ke molek'hule e bolokang tlhahisoleseling eohle ea liphatsa tsa lefutso e hlokahalang ho laola sebopeho le ts'ebetso ea sebopuoa. Liphatsa tsa lefutso, ka lehlakoreng le leng, ke likarolo tsa DNA tse ngolang khoutu ea... Bala haholoanyane

Lipotso tsa Mohlala oa Puisano ka Lintho tsa Lefutso Lintho tsa Lefutso ke lekala la baeloji le ithutang liphatsa tsa lefutso, lefa la litšobotsi, le kamoo tlhahisoleseling ea liphatsa tsa lefutso e hlahisoang ka mokhoa oa 'mele oa lintho tse phelang. Ho utloisisa liphatsa tsa lefutso ho bohlokoa hobane ho ka hlalosa hore na lintho tse phelang li hola joang, li sebetsa joang, li ikatisa joang le ho arabela tikolohong ea tsona. Ho tebisa kutloisiso ena, sengoloa sena se tla hlahisa... Bala haholoanyane

Lipotso tsa Mohlala oa Puisano ka Chemosynthesis Chemosynthesis ke mokhoa oo lintho tse phelang li hlahisang matla ka ho ntša oxidation ea metsoako ea lik'hemik'hale tse sa pheleng, hangata e etsahalang ha ho se na khanya ea letsatsi. Ena ke ts'ebetso ea bohlokoa bakeng sa litsamaiso tse ling tsa tikoloho, haholo-holo tse libakeng tse feteletseng tse kang li-vent tsa hydrothermal fatše leoatleng. Sehloohong sena, re tla buisana ka mohopolo oa chemosynthesis ka botebo le ho fana ka… Bala haholoanyane