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sistemas respiratorio, excretor y circulatorio $10.49   Add to cart
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sistemas respiratorio, excretor y circulatorio
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  • Course
  • Biologia
  • Institution
  • Ciclo Orientado

en este documento, se explica como funciona el sistema respiratorio, excretor y cirulatorio. en este caso, se menciona cada organo del sisitema importante y se explica su función

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Document information

  • December 29, 2023
  • 4
  • 2023/2024
  • Interview
  • Unknown
  • Unknown

Subjects

  • sistmea circulatorio
  • sistema excretor
  • sistma respiratorio

Written for

  • Secondary school
  • Biologia
  • 4
All documents for this subject (12)

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Repaso:

- Los átomos al unirse forman moléculas, las cuales pueden ser pequeñas o grandes.
- Los monómeros al unirse forman polímeros.
- Nuestras células necesitan de glucosa y aminoácidos para llevar a cabo las funciones
vitales.
Niveles de organización de
BIOMOLECULAS la materia:

Células, tejidos, órganos y
sistemas de órganos




Nuestras células están compuestas por biomoléculas o moléculas biológicas, las cuales se dividen
en dos grupos:

- Biomoléculas orgánicas
- Biomoléculas inorgánicas: no poseen carbono o este no constituye un elemento principal
de su estrutura (inerte)

Biomoléculas orgánicas
El elemento principal estructural es el carbón y también poseen hidrogeno (vivo)
CARBOHIDRATOS
La unidad básica(monómero) de los carbohidratos es la glucosa, permiten almacenar energía y
conforman la membrana de células.
La glucosa se puede agrupar de a dos y forman la sacarosa(disacárido), o encadenarse a mas
glucosas y formar el almidón (polímero). Son el almacén/ Fuente de energía y forman parte de la
pared celular de plantas, hongos y bacteria o armadura de insectos.
PROTEINAS
la unidad básica de la proteína es el aminoácido. Existen 20 tipos de aminoácidos y según su orden
y función dan lugar a distintas proteínas. Ej: las enzimas: proteínas encargadas de llevar a cabo las
reacciones químicas

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