Assignment 1         BIOSC 0150     25 points          Due  1-29-01

         

1)    Describe the properties that characterize living things.

 

2)    Explain how biological organization is extended beyond an individual.

 

3)    Describe the system by which living things are classified.

 

4)    What is the ultimate purpose of science?

 

5)    What is a theory?

 

6)    What is the scientific method and how is it used to gain knowledge?

 

7)    Design a controlled experiment.

 

8)    Describe some of the limitations of science.

 

9)    Describe the components and makeup of an atom.

 

10) Describe how an ionic and covalent bond is made.

 

11) What is a carbohydrate and what is its role in the body?

 

12) What is a lipid and what is its role in the body?

 

13) What is the significance of amino acids in a protein?

 

14) Describe the four levels of organization of a protein.

 

15) What is the function of a nucleic acid?

 

16) Describe how the light microscope contributed to the science of cell biology.

 

17) Describe the differences between an eukaryotic cell and a prokaryotic cell.

 

18) Describe the difference between a plant and animal cell.

 

19) What is an organelle and what is the function of an organelle?

 

20) What is the intramembranous system?

 

21) Describe the make-up and function of the nucleus.

 

 

22) What is the difference between the rough endoplasmic reticulum and the smooth

endoplasmic reticulum.

 

23) Describe the function of the Golgi Apparatus.

 

24) What is the difference in function of lysosomes and peroxisomes?

 

 25) Describe the similarities and differences between the mitochondria and chloroplast.

 

26) Describe the structure and function of the plasma membrane.

 

27) What is meant by the term “fluid mosaic”?

 

28) Describe the difference between integral and peripheral membrane proteins.

 

29) Describe a few ways of cell-cell recognition.

 

30) Describe the different ways molecules can cross the plasma membrane.

 

31) Define tonicity and explain how a cell reacts to isotonic, hypotonic and hypertonic

conditions.

 

32) Describe the processes of exocytosis and endocytosis.