Download Chpater 7 Objectives

Biology 2
Chapter 7
CELL STRUCTURE & FUNCTION
Objectives
Name______________________________
Date__________________Period_______
Section 7.1 Life is Cellular
1. Relate advances in microscope technology to discoveries about cells and cell structure.
2. Describe the operation of a compound light microscope and an electron microscope.
3. Explain the main ideas of the cell theory.
4. Compare and contrast prokaryotic and eukaryotic cells.
5. List 3 structures that all cells have in common.
Section 7.2 Eukaryotic Cell Structure
1. Describe the structure and function of the parts of typical eukaryotic cells.
Boundaries and Control
nucleus ( DNA)
cell wall
plasma membrane
nuclear membrane
Assembly, Transport, and Storage
Cytoplasm
endoplasmic reticulum
ribosomes
golgi apparatus
lysosomes
vacuoles
nucleolus
Energy Transformation
plastids
mitochondria
Support and Locomotion
cytoskeleton
cilia
flagella
2. Explain the advantages of highly folded membranes in cells.
3. Compare and contrast the structures of plant and animal cells.
4. Explain how cells can be organized to become a complex organism. (cell differentiation)
Lab: “Use of the Light Microscope”
1. Practice proper handling and use of the light microscope.
2. Identify the parts of a light microscope and explain their functions.
3. Locate objects under low and high power magnification.
4. Demonstrate the ability to prepare a temporary wet mount.
5. Demonstrate the ability to figure the magnification of a light microscope
Lab: “How Can a Microscope Be Used in the Laboratory?”
1. Compare the position of an object when viewed through a light microscope with its
position on the microscope stage.
2. Demonstrate the ability to use stains to aid in viewing objects.
3. Hypothesize how the field of view using low power compares with that under high
power.
4. Compare the depth of field under low and high powers.
5. Prepare wet mount slides.
Section 7.3 Cell Transport
1. Explain selective permeability.
2. Describe the structure and function of the Plasma Membrane.
a. What is a Phospholipid?
Define hydrophilic
Define hydrophobic
Describe how the polarity of a phospholipid dictates the structure of the plasma membrane?
b. Describe transport proteins? Interpret their role in cellular transport?
c. Describe the role that cholesterol plays in the structure of the plasma membrane?
d. Describe the role that proteins and lipids play in the structure of the plasma membrane.
3. Explain “Fluid Mosaic Model”
4. Describe Brownian Movement (random motion) and compare to diffusion and cytoplasmic streaming.
5. Describe the process of diffusion.
6. List things that affect rate of diffusion.
7. Explain a concentration gradient.
8. Conclude how the concentration gradient determines where molecules move and how fast, in the processes of
diffusion.
9. Explain and give an example of selective permeability.
10. Predict what will happen to animal and plant cells placed into:
a. isotonic solution
b. hypotonic solution
c. hypertonic solution
11. Explain plasmolysis.
12. Compare and contrast passive and active transport.
Passive Transport
Active Transport
Osmosis
Active Transport (reverse facilitated
Diffusion)
Diffusion
Endocytosis
Facilitated diffusion
Exocytosis
13. Give an example of how human white blood cells use endocytosis.
Activity: Plasma Membrane Model
1. Describe the functions of the plasma membrane and its parts.
2. Describe the structure of the plasma membrane.
3. Construct a model of the plasma membrane
4. Illustrate and label a sketch of your plasma membrane model
Lab and Activity: Diffusion and the Cell Membrane
1. Explain changes that occur in a cell as a result of diffusion
2. Distinguish between hypertonic and hypotonic solutions
3. Explain the importance of solution concentrations in everyday life
Section 7.4 Homeostasis and Cells
1. Compare unicellular organisms to multicellular organisms.
2. Explain how cells maintain homeostasis.
3. Describe cell specialization, and give examples in animal and plant cells
4. Sequence the levels of organization in multicellular organisms.
5. Explain how cells “communicate.”