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Identify that includes all of the most essential elements found in living organisms. |
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- carbon
- nitrogen
- oxygen
- hydrogen
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Isotopes are atoms that have different (...?) |
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molecules that share electrons equally are said to have a : |
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The bond that holds various water molecules toghether is called a: |
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Water is polar due to the fact that its oxygen is (...) |
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more electronegative (stronger) than hydrogen. |
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Trees depend on which property of water to help transport water and nurients form their roots to their leaves |
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Which of te following regarding the strcture of water best explains why water is less dense as a solid than a liquid? |
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the arrangement of molecules |
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(H+) compounds are likely to result in a pH of: |
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pigment chemical that changes color indicating pH level.
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organisms that break down organic material to inorganic material |
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nitrifying bacteria are responsible for converting ______ to nitrate. |
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This if responsible for putting fixed nitrogen back into the atmosphere
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Gaseous water vapor is converted into liquid water during which process? |
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Respiratoin, Decompostition, and Combustion are all proccesses that return carbon to ... |
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plants are directly involved in the water cycle when they perform |
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combustion has a major impact on which cycle |
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A pH of <7 will result in a _______ compound. |
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A pH of 7 will result in a ______ compound |
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A pH of >7 will result in a ______ compound |
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Term
[image][image]
The bond in this Water molecule is the... |
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[image]
The dotted line is the bond called a ... |
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[image]
Name this, give bond name, what molecule is it, which stage is it in, and its monomers |
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Definition
- Polypetide chain
- Peptide Bond
- A protien in its Primary structure
- Amino acids are the monomers
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[image]
This is a _____. Monomers? Function? |
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Definition
This is a starch. Its monomers are glucose and it is found in plants like potatoes to store energy. |
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Term
Ice is less dense than water.
Explain how the structure of water influences each property
Significance for life |
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Definition
The Hydrogen Bonds
Life can occur under ice. |
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Low viscosity
Explain how the structure of water influences each property
Significance for life |
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Definition
Small molecules
Water moves through very small spaces, capillaries.
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Liquid at room temperature
Explain how the structure of water influences each property
Significance for life |
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Definition
Hydrogen Bonds
Gives liquid for living |
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Colerless with high transmission of visible light.
Explain how the structure of water influences each property
Significance for life |
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Small, Stable molecule, no excitable electrons
Light penetrates tissues and aquatic enviroments.
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Universal solvent
Explain how the structure of water influences each property
Significance for life |
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Definition
Hydrogen bonds, Polar, small molecules
Makes solutions possible to create |
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High heat of fussion
Explain how the structure of water influences each property
Significance for life |
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Definition
hydrogen bonds
Contents of cells are unlikely to freeze. |
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high heat of vaporization
Explain how the structure of water influences each property
Significance for life |
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Hydrogen Bonds
Cools down molecules modrates tempature. |
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High surface tension
Explain how the structure of water influences each property
Significance for life |
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Definition
Close attraction between water molecules, and Hydrogen Bond
Allows small organisms to walk across it |
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Enzymes epeed up chemicals reactions by
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lowering the activaition energy of the element. |
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[image]
This is the _____ ___ model |
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3 impoirtant characteristics of enzymes are |
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They are specific
They are efficient
They are sensitive to Tempurature and Ph |
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Bonding process where you REMOVE a H2O molecule |
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this is a phospholipid
2 fatty acids
1 Glyserol
1 Phosphate |
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Simple lipid
3 fatty acid
1 glycerol |
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This is a sterol
3 six-sided ring
1 five-sided ring
1 alchahol |
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4 major macromoleecules are |
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Fats
Carbohydrates
Protiens
DNA |
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[image]
This is ____. Its monomer is a ____. |
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