Homework 1

 

1.  Name as many characteristics of living things as possible.

 

 

 

2.  Define metabolism.

 

 

 

3.  To make the study of life’s diversity more manageable, we group organisms related by descent from a shared ancestor.  What are the three domains and give examples on organisms within each domain?

 

 

4.  What is hypothesis, and what is its importance to scientific investigation?

 

 

5.  Define homeostasis.

 

 

 

6.  Distinguish between a compound and a mixture, an atom and a molecule.

 

 

 

7.  ___________ are the smallest units that retain the properties of an element.

 

 

8. What is the basic structure of an atom? How are subatomic particles typically arranged?

 

 

 

9.  What are the chemical properties of water?

 

 

10. When considering the pH scale, differentiate between the following values:  pH of 0, pH of 7,

 pH of 14. 

 

 

11.  What are the basic chemical components of carbohydrates, proteins, lipids and nucleic acids?