Download Molecules and Enzymes - Northeast High School

March 1st
Topics:
1. Properties of Water
2. Organic Molecules
3. Enzymes
Water Properties
Concept
Details
o
Polarity
Polarity means _____________
o Oxygens charge is _____
o Hydrogens charge is _____.
o Water to has _____ charged regions
o Water molecules stick together by
forming___________ bonds.
Universal Solvent
o Substance being dissolved _________
o Substance that causes dissolving is ___________
o Water is polar, therefore it dissolves all ________
substances
o Blood carries nutrients and minerals needed
because it contains _____________
100oC- water is _____ dense (gas)
20oC- water is _______ dense than 100oC (liquid)
4oC- water is the _______ dense (liquid)
0oC- water is solid and is ____ dense than liquid
water
o As a solid, water molecules form a crystal
hydrogen bonds. Water molecules in ice move
______causing the ice to be less dense and float.
o Surface Ice helps organisms to survive through
the winter because lake do not freeze _________
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Density of Water
o At 100oC water molecules are moving ________
Temperatures Effects
pH and Scientific Notation
and are far apart
o Liquid water molecules ______down as
temperature decreases.
o The closer water molecules are the more
__________they are
pH scale 0-14
Acids are between: _________
Neutral: 7
Bases are between : _________
All chemical reactions have an _____________pH
All living things have an ____________pH
Every whole number on the pH scale represents a
______fold increase.
o 100,000 = _______________
o A pH of 11 is 1.0 x 105 times greater than a pH of
6.
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ORGANIC MOLECULES REVIEW
Directions: The following statements are associated with the four organic molecules.
Use the letters to indentify the organic molecule the statement is referencing. Some
statements may be associated with more than one molecule.
C- carbohydrate; L – lipids; P – proteins; N – nucleic acids
1. _________ building block is amino acids
2. _________ main source of energy for cells
3. _________ cellulose makes up cell walls
4. _________ speeds up chemical reactions
5. _________ building blocks are glycerol and fatty acids
6. _________ double helix DNA
7. _________ primary function structural molecule of muscle cells
8. _________ function to store energy and insulate
9. _________ contains carbon, hydrogen, oxygen, and nitrogen
10. _________ phospholipid
11. _________ starch for stored energy
12. _________ molecule in cell membrane structure
13. _________ glucose as quick energy
14. _________ contains carbon, hydrogen, oxygen, nitrogen, and phosphorous
15. _________ enzymes are a important type
16. _________ stores genetic information
17. _________ building blocks are monosaccharides
18. _________ RNA, single stranded form of…….
19. _________ building blocks are nucleotides
20. _________ Type of molecule that contains only elements carbon, hydrogen, and oxygen
All About Enzymes: Factors Affecting Enzyme Activity and other Stuff
Factors
1
pH
2
Substrate
Concentration
3
Enzyme
Concentration
4
Temperature
Graph
Write a statement
explaining how the
factor affects enzyme
activity?