'Which molecules' diaporamas de présentation

Cell Structure and Function

Cell Structure and Function. The Cell Theory. All living things are composed of cells. Cells are the basic units of structure and function in living things. All cells come from pre-existing cells. Cell Structure. Most cells have three basic structures. cell membrane (outer boundary)

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Mitotic Jeopardy !

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Topic 2.4: Cell Membranes

Topic 2.4: Cell Membranes. Functions of a plasma membrane: Hold the cell together Control what go in and comes out (diffusion, osmosis, active transport) Protect the cell Allow the cell to recognize and be recognized (cell signaling and immunity) Bind to other cells and molecules

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EXAM 3 REVIEW

EXAM 3 REVIEW. Enzymes, Organelles, Cell Membrane, Transport . TRANSPORT- movement across the membrane. Passive Transport Diffusion Osmosis Facilitated Diffusion Active Transport. Passive Transport-.

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Cell Analogy Project

Cell Analogy Project . HOTEL!!. Plasma membrane. Hotel Doors. Plasma membrane is like the hotel doors because it selects which molecules enter the cell, just like doors allow people to come into the hotel. Nucleus. Manager.

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Stoichiometry

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21-2-2011

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The Nature of Molecules

The Nature of Molecules. Lecture #2. Organisms are Chemical Machines. Organisms are Chemical Machines. Organisms are composed of molecules. Molecules are composed of atoms. Atoms. Origin of atoms Atoms make up matter. Matter has a mass (weight). Mass vs. weight Matter occupies space.

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Water Cycle Vocab

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Cellular Functions

Cellular Functions. Biology Agriculture. Movement of Materials. Diffusion Osmosis Passive Transport Active Transport Hypotonic Solution. Hypertonic Solution Isotonic Solution Endocytosis Exocytosis. Group Assignment. What is the function?

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Biology EOCT Review

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Diffusion and Osmosis

Diffusion and Osmosis. is the movement of liquid or a gas molecules from a high concentration to a low concentration until the substance is evenly spread. important as it lets food and oxygen into a cell and waste products such as carbon dioxide out of the cell. Diffusion.

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Enzymes

Enzymes. Enzymes. Protein Only act on certain substances called substrates. Functions. Increases the rate at which molecules in the body are built or broken down They are catalysts; They speed up reactions.

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The Human (Animal) Cell

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Intermolecular Forces

Intermolecular Forces. Chemistry Mrs. Coyle . Intermolecular Forces. The forces with which molecules attract each other. Intermolecular Forces. Intermolecular forces are weaker than ionic or covalent bonds.

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Ch. 4 Cell Processes

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Plant Cells

Plant Cells. Not in animal cells. Cytoskeleton. Mitochondrion. Central vacuole. Nucleus. Cell wall. Rough endoplamsic reticulum (ER). Chloroplast. Ribosomes. Plasma membrane. Smooth endoplasmic reticulum (ER). Plasmodesmata. Golgi apparatus. Plant Cells. Walls of two adjacent

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B IOLOGY EOC QUESTIONS BIOCHEMISTRY

B IOLOGY EOC QUESTIONS BIOCHEMISTRY. 1. What is the function of enzymes in biological system? A. Enzymes act as product to create new chemical reactions. B. Enzymes act as catalyst to drive chemical reactions forward. C. Enzymes act as substrates when the necessary proteins

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Life Is Sweet

Life Is Sweet. Biological Engineer Ram Sasisekharan: Tackling Complex Carbohydrates. Ram Sasisekharan Deciphers the Code. Biological engineer Sasisekharan wants to unlock the healing power of sugars. Biological sugars (carbohydrates) Help heal scrapes Hold cells together

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Diamonds vs. Spider Silk

Diamonds vs. Spider Silk. Crystals and Polymers. Do you remember which molecules represent a solid?. The molecules of most solids form regular shapes through repeating patterns. Two Types of Solids. Crystals (Diamonds). Polymers (Spider web silk). Crystalline Solids.

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