Glucide - roluri, clasificare, structura, izomerie

Question 1

Ceke mai abundente molecule organice din natura?

Answer 1

glucidele

Question 2

Ce roluri au glucidele?

Answer 2

rol structural- membrana
rol energetic- forma de stocare a energiei
rol de comunicare intercelulara

Question 3

Clase de glucide

Answer 3

mono, oligo, polizaharide

Question 4

Ce fel de unitati sunt monozaharidele?

Answer 4

polihidroxialdehidice, polihidroxicetonice, sau mai bine zis aldoze, cetoze

Question 5

Care e formula generala a monoz?

Answer 5

(ch2o)n, n>3!!

Question 6

Exemple de monoz dupa nr de carboni

Answer 6

trioze, tetroze, pentoze, hexoze etc

Question 7

Cati stereoizomeri pot fi daca sunt n carboni?

Answer 7

2 la n

Question 8

Imaginea in oglinda

Answer 8

enantiomeri

Question 9

nu sunt in oglinda

Answer 9

diastereoizomeri

Question 10

Ce fel de orientare spatiala au majoritatea monozaharidelor din organism?

Answer 10

apartin seriei D

Question 11

Cum se numesc 2 monozaharide care au schimbata configuratia la un singur atom de C?

Answer 11

epimeri

Question 12

Ce structura adopta monozaharidele cu mai mult de 5 c?

Answer 12

structura ciclica

Question 13

Ce fek de izomerie poate avea structura ciclica?

Answer 13

anomerie

Question 14

Cum se adla anomeria monozaharidelor ciclixe?

Answer 14

prin pozitia oh de la c1 fata de ch2oh de la c5

Question 15

Ce inseamna alfa in anomerie?

Answer 15

trans

Question 16

ce inseamna beta in anomerie?

Answer 16

cis

Question 17

Cate unitati de monoz au oligozaharidele

Answer 17

2-10

Question 18

prin ce fel de legaturi se leaga monoz in oligo?

Answer 18

glicozidice

Question 19

Cate unitati contin polizaharidele

Answer 19

> 10

Question 20

de cate feluri sunt polizaharidlee?

Answer 20

homopolizaharide - acelasi fel, gay

heteropolizaharide - feluri diferite de monoz