Standard : BIO.A.2.2.3: Compare and contrast the structure and function of carbohydrates, proteins, lipids, and nucleic acids in organisms.
Learning Target: I will be able to name macromolecules and identify the structures and functions of particular examples of macromolecules.
Directions : The following questions should be answered using web resources. Answer these on paper to be submitted.
A. Proteins
Use Headphones and Watch this video about Proteins. :
1. Describe the structure of a polypeptide in a few sentences.
2. Find a diagram of a peptide bond. Describe it in a few sentences.
3. Find a diagram of an amino acid and draw and label it.
4. Explain what an enzyme is and name two enzymes.
B. Carbohydrates:
Watch this video about carbohydrates:
1. Describe the structure of glucose molecule. What is type of carbohydrate is it? What chemical was used to identify it in lab?
2. Find a diagram of starch , draw it. Describe what a polysaccharide is.
3. What is the structure of cellulose?
5. What are the chemical formulas for fructose, glucose, and galactose?
C. Lipids:
Watch this video about Lipids:
1. Describe the parts of a triglyceride.
2. Find a diagram of a phospholipid and draw and label it.
3. What part of a phospolipid is hydrophobic? What does hydrophobic mean?
4. Whare would phospholipids be found in living things? What is the function of the phosolipid bylayer?
5. What was the lab chemical used to identify lipids?
6. Name four lipids
D. Nucleic Acids:
Watch this video about Nucleic Acids:
1. What is a gene?
2. What is genetic engineering?
3. Draw and label a nucleotide.
4. Draw and label the structure of a DNA molecule.