Nov 6 and Nov 9

Objective:
Students will learn how to describe macromolecules in order to analyze their roles in living systems.


Warm Up:
1. A bear hibernates in the winter for four months. What is its main source of energy during the hibernation period?
F. carbohydrates
G. lipids
H. proteins
J. nucleic acids

2. Water molecules are polar, with the
A. oxygen side being slightly positive and the hydrogen side being slightly negative.
B. oxygen and hydrogen sides being slightly positive.
C. oxygen and hydrogen sides being slightly negative.
D. oxygen side being slightly negative and the hydrogen side being slightly positive.

3. A map of eastern North America, showing the pH of rainfall in the various states, indicates that the pH of rain in New York State varies from 4.22 to 4.40. According to these figures, the most acidic level of rainfall in New York State has a pH of
F. 4.22.
G. 4.30.
H. 4.35.
J. 4.40.

4. Which of the following organic compounds is the main source of long-term stored energy for living things?
A. carbohydrates
B. lipids
C. nucleic acids
D. proteins

5. Which of the following best describes the function of nucleic acids?
F. store and transmit heredity
G. help to fight disease
H. control the rate of reactions and regulate cell processes
J. build tissues such as bone and muscle

Vocabulary:
1. Van Der Waals Forces
2. Cohesion
3. Adhesion
4. Mixture
5. Solution

Classwork:
1. Warm Up and Vocabulary
2. Homework collected
3. Macromolecules activity
4. Closure