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Chapter 3

Biology: Life on Earth with Physiology · 7 exercises

Problem 1

What does the term "organic" mean to a chemist?

3 step solution

Problem 2

List the four principal classes of biological molecules and give an example of each.

5 step solution

Problem 3

What roles do nucleotides play in living organisms?

4 step solution

Problem 4

How are fats and oils similar? How do they differ, and how do their differences explain whether they are solid or liquid at room temperature?

4 step solution

Problem 5

What are HDL and LDL? Which of the two can be harmful for the human body?

4 step solution

Problem 6

What are the functions of proteins?

8 step solution

Problem 7

Where in nature do we find cellulose? Where do we find chitin? In what way(s) are these two polymers similar? How are they different?

4 step solution

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