Carbohydrates (na ọrụ ha)

Odee: Peter Berry
OfbọChị Okike: 12 Julai 2021
DatebọChị Mmelite: 11 Mee 2024
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Ndinaya

Ndị carbohydrates, mara dị ka carbohydrates ma ọ bụ carbohydrates, bụ biomolecules dị mkpa iji nye ike maka ihe dị ndụ n'ụzọ ozugbo na nhazi, ọ bụ ya mere ha ji nọrọ na nhazi osisi, anụmanụ na olu.

Ndị carbohydrates ihe mejupụtara ha bụ njikọ atọm Carbon, Hydrogen na Oxygen, haziri n'usoro yinye carbonic na otu ọrụ dị iche iche agbakwunyere, dị ka carbonyl ma ọ bụ hydroxyl.

N'ihi ya okwu ahụ "Carbohydrates" abụghị nke ziri ezi, ebe ọ bụ na ọ bụghị ajụjụ nke ụmụ irighiri carbon, mana ọ na -adịgide n'ihi mkpa ọ dị na nchọpụta akụkọ ihe mere eme nke a. ụdị ogige kemịkal. Enwere ike ịkpọ ha shuga, saccharides, ma ọ bụ carbohydrates.

Ndị njikọ nke molekul nke carbohydrates dị ike ma na -agbasi ike (nke ụdị covalent), ọ bụ ya mere ha ji bụrụ ụdị nchekwa nchekwa kacha mma na onwu nke ndụ, na -etolite akụkụ nke biomolecules buru ibu dịka protein ma ọ bụ lipids. N'otu aka ahụ, ụfọdụ n'ime ha bụ akụkụ dị mkpa nke mgbidi sel osisi na akụkụ nke arthropods.


Hụkwa: Ihe Nlereanya 50 nke Carbohydrates

A na -ekewa carbohydrates dị iche iche:

  • Monosaccharides. Kpụrụ otu molulu shuga.
  • Disaccharides. Ihe mejupụtara shuga molecule abụọ.
  • Oligosaccharides. Mebere mkpụrụ ndụ shuga atọ ruo itoolu.
  • Polysaccharides. Chains shuga dị ogologo nke gụnyere ọtụtụ ụmụ irighiri ihe ma bụrụ ihe polymer dị ndụ dị mkpa raara nye nhazi ma ọ bụ nchekwa ike.

Ihe atụ nke carbohydrates na ọrụ ha

  1. Ọbara glucose. Molecule isomeric (nke nwere otu ihe dị iche iche mana ihe owuwu dị iche iche) nke fructose, ọ bụ akụrụngwa kachasị na okike, n'ihi na ọ bụ isi iyi ike na ọkwa cellular (site na oxidation catabolic).
  2. Ribose. Otu n'ime ụmụ irighiri ihe dị mkpa maka ndụ, ọ bụ akụkụ nke ihe mgbochi ụlọ nke ihe dị ka ATP (adenosine triphosphate) ma ọ bụ RNA (ribonucleic acid), dị mkpa maka ịmụpụta sel.
  3. Deoxyribose. Mgbanwe nke otu hydroxyl site na atọm hydrogen na -enye ohere ka a gbanwee ribose ka ọ bụrụ deoxysugar, nke dị mkpa iji jikọta nucleotides nke na -etolite agbụ DNA (deoxyribonucleic acid) ebe enwere ozi gbasara ihe dị ndụ.
  4. Fructose. Ọ dị na mkpụrụ osisi na akwụkwọ nri, ọ bụ molecule nwanne nwanyị nke glucose, nke ha na -etolitekwa shuga nkịtị.
  5. Glyceraldehyde dị. Ọ bụ shuga monosaccharide mbụ nke photosynthesis nwetara, n'oge ọchịchịrị ya (okirikiri Calvin). Ọ bụ usoro n'etiti ọtụtụ ụzọ nke metabolism metabolism.
  6. Galactose. A na -agbanwe shuga a dị mfe ka ọ bụrụ glucose n'ime imeju, yabụ ọ na -eje ozi dị ka njem ike. Tinyere nke a, ọ na -etolitekwa lactose n'ime mmiri ara ehi.
  7. Glycogen. Enweghi ike ịgbari n'ime mmiri, polysaccharide ike a dị na akwara, yana imeju na ụbụrụ. N'ọnọdụ mkpa ike, ahụ na -agbaze ya site na hydrolysis n'ime glucose ọhụrụ ka ọ rie.
  8. Lactose. Ejikọtara ya na njikọ nke galactose na glucose, ọ bụ shuga bụ isi na mmiri ara ehi na mmiri ara ehi (cheese, yogọt).
  9. Eritrosa. Ọ dị na usoro photosynthetic, ọ dị na okike naanị dịka D-erythrose. Ọ bụ shuga na -agbaze nke ọma nke nwere ụdị ọmarịcha.
  10. Cellulose. Emebere nkeji glucose, ọ bụ biopolymer kachasị n'ụwa, yana chitin. Ihe mejupụtara eriri mgbidi nke osisi mejupụtara ya, na -enye ha nkwado, ọ bụkwa akụrụngwa nke akwụkwọ.
  11. Starch. Dịka glycogen na -edobe anụmanụ, starch na -eme ya maka akwụkwọ nri. Ọ bụ a macromolecule nke polysaccharides dị ka amylose na amylopectin, ọ bụkwa ya bụ ike nke ụmụ mmadụ na -erikarị na nri ha na -eri.
  1. Chitin. Ihe cellulose na -eme na mkpụrụ ndụ ihe ọkụkụ, chitin na -eme n'ime fungi na arthropods, na -enye ha ike nhazi (exoskeleton).
  2. Fucosa: Monosaccharide nke na -arụ ọrụ dị ka arịlịka maka agbụ shuga ma dị mkpa maka njikọ nke fucoidin, polysaccharide maka ọgwụ.
  3. Ramnosa. Aha ya sitere na osisi nke e si na ya wepụta mbụ (Rhamnus fragula), bụ akụkụ nke pectin na polymer osisi ndị ọzọ, yana ụmụ irighiri ihe dị ka mycobacteria.
  4. Glucosamine. Ejiri ya dị ka mgbakwunye nri na ọgwụgwọ ọrịa rheumatic, amino-sugar a bụ monosaccharide kachasị dị, nke dị na mgbidi sel nke fungi yana na mkpokoro arthropods.
  5. Saccharose. A makwaara ya dị ka shuga nkịtị, a na -ahụ ya n'ụba n'ụdị (mmanụ a honeyụ, ọka, okpete, beets). Ọ bụkwa ya bụ ihe na -atọkarị ụtọ na nri mmadụ.
  6. Stachyose. Ọ bụghị mmadụ na -agbari ya kpamkpam, ọ bụ ngwaahịa tetrasaccharide nke njikọ glucose, galactose na fructose, nke dị n'ọtụtụ akwụkwọ nri na osisi. Enwere ike iji ya dị ka eke eke.
  7. Cellobiose. Abụọ shuga (glucoses abụọ) nke na -egosi n'oge mmiri si na cellulose (hydrolysis). Ọ nweghị nnwere onwe na okike.
  8. Matosa. Ọkụ malt, nke nwere mkpụrụ ndụ glucose abụọ, nwere nnukwu ume (yana glycemic), a na -enweta ya site na mkpụrụ ọka bali, ma ọ bụ site na hydrolysis nke starch na glycogen.
  9. Psycho. Monosaccharide dị ụkọ n'ụdị, enwere ike kewapụ ya na psychofuranin ọgwụ nje.Ọ na -enye ike dị ala karịa sucrose (0.3%), ọ bụ ya mere eji enyocha ya ka ọ bụrụ onye nnọchi nri na ọgwụgwọ ọrịa glycemic na lipid.

Ha nwere ike ijere gị ozi:


  • Ihe Nlereanya nke Lipids
  • Kedu ọrụ protein na -arụ?
  • Kedu ihe bụ trace elements?


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