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Science 10 Biology Part 2

front 1

Open System

back 1

Exchange both matter AND energy with their surroundings.

  • A boiling pot of water without a lid - Steam (matter) escapes, Heat (energy) transfers
  • A living organism (human, plant, animal) - Takes in food/oxygen (matter), Releases waste, heat, CO₂ (matter + energy)
  • A lake or river- Water flows in and out, Sunlight and heat energy enter/leave
  • An uncovered cup of coffee -Evaporation (matter exchange), Heat loss (energy exchange)

front 2

Closed System

back 2

Exchange energy but NOT matter with their surroundings.

  • A sealed bottle of soda (unopened) Heat can flow in/out, No matter enters or leaves
  • A greenhouse - Energy (light/heat) enters, Matter (air/water) mostly stays inside
  • A pressure cooker (while sealed)- Heat energy enters from the stove, Matter is contained
  • Earth as a whole (approximately) - Receives solar energy, Matter exchange with space is extremely small

front 3

Isolated System

back 3

Exchange neither matter NOR energy with surroundings.
➡️ Perfect isolated systems do not exist in reality, but we use approximations.

  • A perfectly insulated thermos (idealized) In theory, no heat or matter transfer
  • The universe as a whole Nothing enters or leaves
  • A well-insulated container in theoretical physics/chemistry Used as a model for calculations
  • A Dewar flask (used in labs) — nearly isolated. Minimizes heat transfer, No matter exchange

front 4

What type of system is a cell?

back 4

Open system. A cell is an open system because it continuously exchanges matter and energy with its environment to stay alive, grow, and carry out its functions. Oxygen, water, nutrients in, AND carbon dioxide, waste, proteins or hormones out.

front 5

Which organelles are responsible for absorption of nutrients?

back 5

La membrane cellulaire, Les vacuoles, Les mitochondries, La paroi cellulaire

front 6

Which organelles are responsible for elimination of waste?

back 6

Le cytoplasme, La membrane cellulaire, Les vacuoles, Les lysosomes, La paroi cellulaire

front 7

Which organelles are responsible for growth?

back 7

Les ribosomes, Les mitochondries

front 8

Which organelles are responsible for movement of nutrients?

back 8

L'appareil de Golgi

front 9

Which organelles are responsible for exchange of gases?

back 9

La membrane cellulaire, La paroi cellulaire

front 10

Which organelles are responsible for creation of materials?

back 10

Le réticulum endoplasmique, Les chloroplastes

front 11

Which organelles are responsible for movement?

back 11

Le cytoplasme

front 12

Le cytoplasme

back 12

-médium d'existence
-substance gélatineux (jell­o)
-renferme les nutriments et orgaelle
-circulation cytoplsmique
*le mouvement élimination des déchets

front 13

Le noyau

back 13

-Le commande de la cellule
-contrôle toutes l'opération ou fonction
-renferme l'ADN
*Parce qu'il est le commandement de la cellule, on peut dire qu'il est impliqué dans une façon ou un autre dans tous
les processus vitaux

front 14

La membrane cellulaire

back 14

-le manteau de la cellule
-Protège et enveloppe gardant tous les autres organelles dans une place
-Permet certaines substances d'entré et sortir.
*L'absorption des nutriments, Échanges gazeux, Élimination des déchets

front 15

Les vacuoles

back 15

-'hoarders' (ang)
-stock les nutriments/produits sécrétions ou graisses
-plantes = eau

*absorption des nutriments, élimination des déchets

front 16

Les ribosomes

back 16

-'usine de protéines'
-attachés à réticulum endoplsmique ou libérer dans cytoplasme
-acides aminés transformés en proteines

*la croissance

front 17

Le réticulum endoplasmique
(synthèse des matériaux)

back 17

Rugueux
• doté des ribosomes
• synthèse des protéines

Lisse
• associé à la production des lipides

front 18

Les mitochondries

back 18

-usine d'énergie
-respiration cellulaire prend place

*absorption des nutriments la croissance

front 19

L'appareil de Golgi

back 19

-'entrepot de transport'
-sac qui gardes des substances crée par le réticulum endoplasmique

*movement de nutriments

front 20

Les lysosomes

back 20

L'estomac de la cellule ou équipe de nettoyage (déchet, débris de cellule)

*Élimination des déchets

front 21

La paroi cellulaire (plantes)

back 21

-deuxième manteau
-support et rigidité pour la cellule

*absorption des nutriments, échanges gazeux, élimination des déchets

front 22

Les chloroplastes

back 22

-'usine de chlorophylle
-produit la couleur verte chez les plantes
-siège de la photosynthèse

*création de matériaux