BIOLOGY II

CHAPTER 5 OBJECTIVES

 

 

1)List the levels of biological hierarchy from subatomic particles

to macromolecules.

 

2)Explain how organic polymers contribute to biological diversity.

 

3)Describe how covalent linkages are formed and broken in organic polymers

 

4)Describe the distinguishing characteristics of carbohydrates, and explain how they are classified.

 

5)List four characteristics of sugar.

 

6)Identify a glycosidic linkage and describe how it is formed.

 

7)     Describe the important biological functions of polysaccharides

 

8)Distinguish between the glycosidic linkages found in starch and cellulose, and explain why the difference in biologically important

 

9)Explain what distinguishes lipids from other major classes of macromolecules

 

10) Describe the unique properties, building block molecules and

  biological importance of the three important groups of fat:

  fats, phospholipids and steroids

 

11) Identify an ester linkage and describe how it is formed

 

12) Distinguish between saturated and unsaturated fat, and list   

       some unique emergent properties that are a consequence of   

       these structural differences

 

13) Describe the characteristics and distinguish proteins from 

     other major classes of macromolecules, and explain how it is 

     formed.

 

14) List and recognize four major components of an amino acid, 

      and explain how amino acids may be grouped according to the 

      physical and chemical properties of the side chains

 

 

15) Identify a peptide bond and explain how it is formed.

 

16) Explain what determines protein conformation and why it is 

     important

 

17) Define primary structure and describe how it may be deduced

     in the laboratory

 

18) Describe the two types of secondary protein structure, and

     explain the role of hydrogen bonds in maintaining the

     structure.

 

19) Explain how weak interactions and disulfide bridges

     contribute to tertiary protein structure.

 

       20) Using collagen and hemoglobin as examples, describe 

            quaternary protein structure

 

21) Define denaturation and explain how proteins may be

     denatured

 

22) Describe the characteristics that distinguish nucleic acids

      from

      the other major groups of macromolecules

 

23) Summarize the functions of nucleic acids

 

24) List the major components of a nucleotide, and describe how 

      these monomers are linked together to form a nucleic acid

 

25) Distinguish between a pyrimidine and a purine

 

26) List the functions of nucleotides

 

27) Briefly describe the three-dimensional structure of DNA