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Intro Anatomy 3


Major function of Proteins Responsible for structure of body cells &Building Blocks are Amino Acids that act as either acids or Basis
What is Matter Has mass, occupies spaceExists in solid, liquid and gas states
What is Energy Capacity to do work
Solutions 2 or more substances physically mixedHomogenous mixturesSolvent - greater quantitySolute- lesser qunatity
Use of water in the body Heat homeostatis - high heat capicity and vaporisationReactivity - in chemical reactionsCushioning - protects the bodySovent properties
3 uses of Protein Catalysis - regulates rate of biochemical reactionsTransport hemoglobin transports oxygen in the bloodDefense - specialist protein antibodies are release dby immune cells
Functions of DNA & RNA DNA - specifies protein structure and replicate its selfRNA - carries out DNZ's instructions for protein synthesis
3 major regions of an generalised animal cell Nucleuscytoplasmplasma membrane
Colloids heterogenerous mixturesappearance milkySol-gel transformation
Suspensions Heterogeneous mixturevisible solutesparticles will settle out if not moving
Passive Transport Transport of substances without energy input
various forms of passive transport Simple DiffusionFacilitated diffusionOsmosisFiltration
Simple Diffusion movement of lipid soluable substances across the plasma membrane
Osmosis Movement of water in and out of the cells. occurs when there is an imblance on two sides of the membrane.
Facilitated Diffusion Movement of large or lipid insoluable particles using a protein carrier
Filtration movement of water or solutes across the plasma membrane using hydrostatic preasure
Nucleolus Made of RNAProduces Ribosomes which are essential for protein synthesis
Function of Chromatin Strands DNA and gobular protein.physical means to package the long molecules of DNA in a compact and orderly way
Rough Endoplasmic Reticulum Studded with RibosomesRibosmoes process all the protein that is secreted from tehe cells
Mitochondria Power house and produces most of the ATP energy need by the cell
Peroxisomes Disharm dangerous 'free radicals"
Created by: gibfinn