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Grade 7 LOMS

Unit:4 The chemistry of life Ms.Workman

_____ deals with the structure and behavior of living organisms. Life Science
The _______ is designed to help you predict what an elements physical and chemical properties are and what elements will bond with each other. Periodic Table (of Elements)
living things are a type of ______. _______ is anything that has mass and takes up space. **same answer for both blanks Matter
All mater is made up of __________. Atoms
Made up of only one different kind of atom(s). Element
What elements are often found in living things?** NCHOP'S CaFe** Nitrogen, Carbon, Hydrogen, Oxygen, Phosphorus, Sulfur, Calcium, and Iron
________ are made up of two or more elements in exact proportions, such as water. Compounds
_________ always contain Carbon, Oxygen, and Hydrogen. Are usually associated with living things. Organic Compound
The four groups of organic compounds. Lipid, Protein, Nucleic Acid, and Carbohydrates
What elements make up carbohydrates? Carbon, Hydrogen, and Oxygen
What are some examples of carbohydrates? Sulfur, Starch, and Cellulose
What are some functions of carbohydrates? Supply energy for cells, Process from plant cell structure, Temporary storage
What elements make up lipids? Carbon, Hydrogen, Oxygen, and Phosphorus
What are some examples of lipids? Fats, Oils, Waxes, Phosolipids, and Cholesterol
What are some functions of lipids? Store large amounts of energy(long-term), forms boundaries around cells
What elements often make proteins? Carbon, Hydrogen, Oxygen, Nitrogen, and Sulfur
What are some examples of proteins? Enzymes, Skin, and hair
What are the functions of proteins? Regulate cell process and Build cell structures
What are often make up Nucleic Acids? Carbon. Hydrogen, Oxygen, Phosphorus, and Nitrogen
What are some examples of Nucleic Acids? DNA and RNA
What are the functions of Nucleic Acids? Carry hereditary material
____ make up more than 70% of cell's volume and is essential for life. Water
______ is a flexible covering that protects the inside of the cell from the environment outside the cell. Cell Membrane
_______ membrane allows anything to pass through it. Permeable
_____ membrane allows only some things to pass through them. Simi-Permeable
________ membrane does not allow anything in or out. Non-Permeable
A cell's membrane is ________ permeable. Simi
Things can move through a _______ _______ many ways depending on the size of the molecule or particle, the path taken through the membrane, and whether or not energy is used. Cell Membrane
_________ _______ is when the movement of substances across the cell membrane does not use the cell's energy. Passive Transport
________ is the movement of substances from an area of higher concentration to lower. Diffusion
Diffusion continues through a membrane until the concentration is the same on both sides of the membrane, this is called _______ Equilibrum
_______ diffusion is when molecules pass through a cell membrane using special proteins called transport proteins. Facilitated Transport
_________ is the movement of substances through a cell membrane using the cells energy. Active Transport
______ is the diffusion of water molecules only through a membrane. Osmosis
______ is the normal rigid state of fullness in a cell or blood vessel. Turgor
____ is when a cell takes in a substance, that is too large to enter by diffusion or with the help of a transport protein, by surrounding it with the cell membrane. Endocytosis
______ is when a cell's vesicles release their contents, which are to large to exit by diffusion or with the help of a transport protein. Exocytosis
symbol: ----> Yields or Makes
H2O Water
CO2 Carbon Dioxide
O2 Oxygen
C6H12O6 Glucose (Cell sugar)
_____ ______ is a series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP Cellular Respiration
There two types of cellular respiration called _____ and _____. Anaerobic respiration and Aerobic
_____ _____ occurs in the mitochondria of all eukaryotic cells and uses Oxygen to break down food molecules and release energy. Aerobic Respiration
What is the word equation for cellular respiration. Sugar plus Oxygen yields Carbon Dioxide and Energy
C6H12O6 + 6O2 ----> 6CO2 + ATP is the chemical equation for _____ respiration. Aerobic
________ does not require Oxygen. Anaerobic Respiration
Anaerobic respiration is also called _________. Fermentation
____ is a reaction that occurs in the cytoplasm of cells to obtain energy from food when Oxygen is not present or too low. Anaerobic respiration (fermentation)
The two types of Fermentation are ______ and _____. Latic Acid and Alcohol fermentation
______ is when glucose is converted into ATP and a waste product called lactic acid. EX: ___ us this to obtain energy during exercise Latic acid fermentation; muscle cells
_____ is when glucose is converted into ATP and the waste product is ethanol and CO2 EX: yeast rising Alcohol fermentation
___ is a series of chemical reactions which occur in the chloroplast of cells that convert light energy, water and CO2 into the food energy molecule glucose and give off oxygen. photosynthesis
The word equation for photosynthesis light energy plus water plus CO2 yields glucose and oxygen.
6co2+6H2O+light energy---> C6H12O2+6O2 photosynthesis;chemical equation
Created by: Cade Canepa