Biology (Holt)

CHAPTER 3 Cell Structure 49

Quick Review Looking Ahead

Answer the following without referring to
earlier sections of your book.
1.Distinguishbetween polar and nonpolar
molecules. (Chapter 2, Section 1)
2.Comparethe structures of carbohydrates,
lipids, proteins, and nucleic acids. (Chapter 2,
Section 3)
3.Describethe function of ATP. (Chapter 2,
Section 3)
Did you have difficulty? For help, review the
sections indicated.

Section 1

Looking at Cells

Cells Under the Microscope

Types of Microscopes

Section 2

Cell Features

The Cell Theory

Prokaryotes

Eukaryotic Cells

The Cell Membrane

Section 3

Cell Organelles

The Nucleus

Ribosomes and the Endoplasmic Reticulum

Mitochondria

Structures of Plant Cells

http://www.scilinks.org

National Science Teachers Association sciLINKS Internet

resources are located throughout this chapter.

Reading Activity

Write down the title of this chapter and the titles
of its three sections on a piece of paper or in
your notebook. Leave a few blank lines after
each section title. Then write down what you
think you will learn in each section. Save your
list, and after you finish reading this chapter,
check off everything that you learned that was
on your list.

All cells, including this one-celled organism
Paramecium,have all the equipment necessary to
perform the essential functions of life.

Cell

Structure

CHAPTER

3

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