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Blume Ch. 3 #17-35

What is the smallest part of an oxygen atom that has a negative charge? Electron
What is at the center of an oxygen atom that has a positive charge? Proton
What has roughly the same mass as a proton and no charge? Neutron
If an oxygen atom loses an electron what happens to its charge? It becomes positive
If an oxygen atom gains an electron what happens to its charge? It becomes negative
Why does this happen? Since there are now more electrons than protons, the negative charge overcomes the positive charge.
What is a supply of energy for cell processes? (ex: sugars & starches) Carbohydrates
What stores and releases energy? (ex: fats and oils) Lipids
What are the "building blocks of many structures in organisms? (muscles contain large amounts of this) Protein
What are large organic molecules that store important coded information? (ex: DNA & RNA) Nucleic Acid
How is water important to humans? It makes up most of our blood and moves cells through or bodies.
How is calcium phosphate important to humans? It strengthens bones.
How is hydrochloric acid important to humans? It helps break the food down in our stomachs.
How is sodium bicarbonate important to humans? It helps in the digestion of food.
How are salts important to humans? They help in sending messages across the nerves.
What are organisms that eat producers? Consumers
Where does respiration take place in a cell? Mitochondria
What is an energy-releasing process that takes place in some yeasts and bacteria? Fermentation
What is the process that some producers use to make food? Photosynthesis
What is an energy-releasing process that takes place in the mitochondria? Respiration
What is that gas that is important to photosynthesis? Carbon dioxide
What is the green pigment found in chloroplast? Chlorophyll
Created by: c13ell