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Chem of Life

Unit 2

Biochemistry The chemistry of living things. The study of the molecules that are necessary for life.
Cell The smallest unit of an organism. Also known as the "building blocks of life"
Tissue Made up of a group of similar cells working together. Ex: bone cells create bone tissue and nerve cells create nerve tissue
Organ Made up of a group of different tissues working together. Ex: The heart is made up of nerve, blood, and muscle tissue
Organ System/Body System Made up of a group of organs working together. Ex: The digestive system includes the stomach, the small intestine, and the large intestine
Organism A living thing
Simple Molecule Is made up of 2 or more atoms held together by bonds. Ex: CO2, NaCl, O2, H2
Complex Molecule Molecules that contain hundreds or thousands of atoms joined together in long winding chains. Ex: DNA
Simple Sugar A sugar, such as glucose, that cannot be broken down any futher
Glucose A simple sugar that provides energy to living things. The chemical formula is C6H12O6
Amino Acids The building blocks of proteins. Made up of C, H, O, and N
Protein A complex molecule that is essential for life. Made up of amino acids
Nutrients The components of food that living things need to survive and grow. Ex: carbohydrates, fats, and proteins
DNA - nucleic acids The genetic make-up of all organisms, also known as the "blueprint of life". Made up of complex molecules called nucleic acids
Enzyme A substance made by living things that speeds up the rate of a chemical reaction in the body
Chemical Energy Energy released by a chemical reaction
Regulation All of the body systems working together to make sure that the temperature, pH, O2 levels, etc. are balanced to keep an organism alive and healthy
Organelle A structure in the cell that performs a specific function (job)
Mitochondria "Powerhouse" of the cell. This is where cellular respiration happens
Chloroplast Organelle found in plant cells. This is where photosynthesis happens
Photosynthesis The process that plants go through to create glucose and oxygen (C6H12O6 + 6O2)
Cellular Respiration The process that all cells go through to create ATP energy
Diffusion Movement of particles from an area of high concentration to an area of low concentration
Digestion Breaking food down into nutrients that living things need to survive
Created by: BurgerMissA