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Cell Organelles

What are the parts of the cell theory? All living things are made of cells; Cells carry out the functions needed to support life; Cells come only from other living cells
How do you calculate the total magnification of an object? You multiply the objective lens by the eyepiece
How did people first learn about cells? A scientist made a microscope and noticed many tiny chambers and then he named them cells named after a prison cell
Cell wall Made of cellulose, provides shape structure protection and support, only in plant cells
Cell membrane Decides what goes in and what goes out, provides support protection, in all cells- made of cholesterol
Nucleus Controls functions of cells, contains genetic information
Cytoplasm Supports and protects organelles
Golgi body Processes and packages molecules, like lipids and proteins, that were made by the cell
Ribosomes Produces proteins, the smallest organelle
Endoplasmic reticulum Network of tubes, two types- smooth(no ribosomes) or rough(with ribosomes)
Mitochondria Breaks down sugar molecules to release usable energy, Has inner foldings (Cristae) that increase the internal surface area
Vacuole Stores food water and waste
Lysosomes ONLY IN ANIMAL CELLS, Breaks down larger food molecules into smaller ones, Digests old cell parts
Chloroplasts ONLY IN PLANT CELLS, Uses energy from the sun to make food for the plant
How do needed materials get in and out of the cell? Passive transport- osmosis and diffusion; active transport- endocytosis and exocytosis
What happens during photosynthesis and respiration? Photosynthesis makes glucose and oxygen which happens to be the needed materials for respiration that produces water, energy, and carbon dioxide which is what the plant needs to preform photosynthesis
What are the raw materials and products of photosynthesis and respiration? Photosynthesis- carbon dioxide, water, energy Respiration- oxygen, sugar
What would happen to a cell when placed in different solutions like in a high water concentration, low water concentration, or in an equal water concentration? High water concentration- spread out evenly among the water Low water concentration- go to the low concentration area Equal water concentration- stay in place
How are cells grouped into increasingly larger structures? Atoms, molecules, organelles, cells, tissues, organs, organ system, organism, populations, communities, ecosystem, biosphere, the universe
Passive transport Movement across the cell membrane freely with no energy requirement
Active transport Movement from a low concentration to a high concentration which requires energy
Osmosis Movement of water molecules across a membrane- equalizing the concentrations on each side
Diffusion Movement or spreading out of a substance down a concentration gradient(more to less of concentration)
Endocytosis A particle is taken into a cell(requires energy)
Exocytosis A particle is exported out of the cell(requires energy)
What are the phases of Mitosis? Interphase, prophase, metephase, anaphase, telephase, cytokinesis
Why does mitosis take place? To repair old cells and to grow bigger
Created by: SaimaMaq
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