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Biologia, biomoleculas y celula

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Biología básica, descripción de biomoléculas y todo lo relacionado a ellas. Descripción de células, teoría celular, organelos y demás.

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Uploaded on
October 29, 2022
Number of pages
9
Written in
2022/2023
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Las




Las biomoléculas son los compuestos presentes en los seres vivos. Estos son
los lípidos, las proteínas, los carbohidratos y los ácidos nucleicos


Carbohidratos
Elemento principal de los compuestos orgánicos. están compuestos de
carbono, hidrogeno y oxígeno. Es tetravalente (posee 4 electrones en la capa
de valencia). Forman enlaces simples, dobles y triples. Pueden formar
cadenas (concatenación).

. Grupo funcional: según esto pueden ser

Aldosas = CHO
Cetosa = O

Cantidad de carbonos: según esto se nombran

3 carbonos à Triosas
4 carbonos à Tetrosas
5 carbonos à Pentosas = Ribosomas (ARN) y desoxirribosa (ADN)
6 carbonos à hexosas = glucosa, fructosa, galactosa.




hidratos de carbono = glúcidos



Lisbeth Justiniano

, Clasificación según la
c a n t i d a d
De unidades
Monosacáridos (1) :

Glucosa
Fructosa
Galactosa

Disacáridos (2) :

Maltosa = glucosa + glucosa à Malta
Lactosa = galactosa + glucosa à Leche
Sacarosa = fructosa + glucosa à Fruta

Polisacáridos (Muchos):

Almidón à plantas
Glucógeno à Animales
Celulosa à Pared celular de células vegetales. Es dura.
Quitina à Forman las estructuras de las plantas y exoesqueleto de
crustáceos y artrópodos.




Polisacáridos = Polímeros de glucosa
Poli = muchas, Meros = unidades
La personas no digieren la celulosa.





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