UNIT 2: The Chemistry of Life Biology IDAYSHEET 21: MacromoleculesName _____________________________________ Date: __________Bellringer: Directions: Make some observations about the following images.

1. 3.

Observations: Observations:

2. 4.

Observations: Observations:

Directions: Match the images above with the object below that they look the most like by writing the number of the image below the picture of the object.

Candy House Sausage Links Step Comb

Image: ____ Image: ____ Image: ____ Image: ____

Biology Objective: I can describe the structure and function of organic macromoleculesHomework: HW21 due next class

Activity 1: Organic MacromoleculesWord Breakdown: ORGANIC MACROMOLECULES = __________________________________________________________

MONOMER = ______________________________ POLYMER = ___________________________________

The 4 types of organic macromolecules:Type of Organic Macromolecule

Monomer (Building Block)

What it Looks Like

What it’s Used For

Examples Memory Clue

1.

2.

3.

4.

Activity 2: Directions: Work together with your partner / group to follow the directions and answer the questions below. Each person must record his/her own answers on his/her own paper.

Carbohydrates1. Find the monomers of a carbohydrate. Draw a monomer of carbohydrates in the space below:

2. The monomer of a carbohydrate is called a(n)______________________________

3. Put together the carbohydrate monomers to form a polymer. Draw your polymer in the space below:

4. To go from the monomer to polymer did you have to make or break chemical bonds? _______

Lipids1. Find the monomers of a lipdi. Draw a monomer of lipid in the space below:

2. The monomer of a lipid is called a(n)______________________________

3. Put together the lipid monomers to form a polymer. Draw your polymer in the space below:

4. If you wanted to go from the polymer back to the monomer, would you have to make or break chemical bonds? _______

Proteins 1. Find the monomers of a protein. Draw a monomer of protein in the space below:

2. The monomer of a protein is called a(n)______________________________

3. Put together the protein monomers to form a polymer. Draw your polymer in the space below:

4. To go from the monomer to polymer did you have to make or break chemical bonds? _______

Nucleic Acids 1. Find the monomers of a nucleic acid. Draw a monomer of nucleic acid in the space below:

2. The monomer of a nucleic acid is called a(n)______________________________

3. Put together the nucleic acid monomers to form a polymer. Draw your polymer in the space below:

4. If you wanted to go from the polymer back to the monomer, would you have to make or break chemical bonds? _______

Activity 3: AnalogiesDirections: 1. Determine the relationship between the first two underlined terms.2. Fill in the last blank so there is the same relationship between the last two underlined terms as there is between the first two

Example: Carbohydrate is to sugars and starches, as lipid is to fats and oils.

1. Monosaccharide is to carbohydrate, as nucleotide is to ______________________.

2. Monosaccharide is to carbohydrate, as fatty acid is to _______________________.

3. Monosaccharide is to carbohydrate, as amino acid is to ______________________.

4. Carbohydrate is to monosaccharide, as nucleic acid is to _____________________.

5. Lipids are to fatty acids, as proteins are to _________________________________.

6. Nucleotide is to DNA, as monosaccharide is to _____________________________.

7. Carbohydrates are to energy source, as lipids are to ________________________.

8. Carbohydrates are to cell wall, as lipids are to _____________________________.

9. Proteins are to enzymes, as nucleic acids are to ___________ and ____________.

10. Proteins are to amino acids, as carbohydrates are _________________________.

HW 21: pH Biology I

Name ________________________ Date ____________________

Directions: Label the pH scale below with the following words: acid, neutral, base

Directions: Fill in the last column by determining if the items are acidic, basic, or neutralItem pH value Acidic, Basic, or Neutral?

Lemon juice 2Baking soda 8

Coffee 5Ammonia 11

Orange juice 3Vinegar 4Water 7Bleach 10

Tomato juice 3Oven cleaner 11Saliva (spit) 7

Drain cleaner 13Sweat 7

1. Give 3 examples of acids:

2. Give 3 examples of bases:

3. Give 3 examples of neutral substances: ‘

4. What types of items seem to be acidic?

5. What types of items seem to be basic?

6. What types of items are neutral?