1. “I cannot teach anybody anything, I can only make them think.”
1/2/2019
Title: Biology 9/7/06
Objectives:
To assess learning about living things.
Class Topics
Chapter 1 Test
All chapter 1 corrections are due before the bell rings, next class period.
Begin – Chapter 2
Polar/nonpolar molecules
Organic Compounds
Macromolecules
“I cannot teach anybody anything, I can only make them think.”
Socrates
Wednesday, January 02, :06 PM

2. Class Assignments Chapter 1 Test 9/7/06
1/2/2019
Class Assignments
What
By When
Chapter 1 Test 9/7/06
All chapter 1 corrections 9/11/06
Read /11/06
Due this class period
Due next class period
Due in the future

3. 1/2/2019
Grade Sheet

4. 1/2/2019
2A Grade Sheet

5. 1/2/2019
Move desks

6. Posttest Activities Hand in test Correct chapter 1 homework/labs
1/2/2019
Posttest Activities
Hand in test
Correct chapter 1 homework/labs
Read 32-37

7. From: http://ghs.gresham.k12.or.us/science
1/2/2019
Polar Molecules
Have a slight electrical charge on either side of the molecule 105O
H2O
Unequal sharing of electrons
Surface tension
Polar molecules dissolve in water
Nonpolar molecules do not dissolve in water
Video Clip – “The Shape of Water”
From:
/ps/sci/ibbio/chem/notes/chpt2/water.htm

8. Nonpolar molecules No unequal sharing Do not dissolve in water
1/2/2019
Nonpolar molecules
No unequal sharing
Do not dissolve in water
Oils and fats

9. Organic Compounds Contain hydrogen and carbon all others are inorganic
1/2/2019
Organic Compounds
Contain hydrogen and carbon
Usually from or in living organisms
all others are inorganic
Do not have both carbon and hydrogen

10. Macromolecules Giant molecules
1/2/2019
Macromolecules
Giant molecules
Polymer - many units - large molecules put together from smaller units
Monomer - one unit - the smaller parts of the larger polymer

11. Carbohydrates Sugars and starches Contain C, H, O
1/2/2019
Carbohydrates
Sugars and starches
Contain C, H, O
H and O in 2:1
Monosaccharides - monomer
glucose - fuel for living cells
fructose
galactose
isomers - same molecular formula, different structural formula (C6H1206)

12. Image from: http://staff.jccc.net/pdecell/biochemistry/carbohyd.html
1/2/2019
Disaccharides
2 monosaccharides bonded together
Condensation (dehydration) reaction
sucrose =
lactose =
maltose =
Image from: