Ch. 4 sec. 2-3 Answers

1. A theme in Biology is that “form follows function 1. A theme in Biology is that “form follows function.” What is meant by “form follows function?”

1. A theme in Biology is that “form follows function 1. A theme in Biology is that “form follows function.” What is meant by “form follows function?”

2. Compared to a period at the end of a sentence, what is the size of a human egg cell? Most cells?

2. Compared to a period at the end of a sentence, what is the size of a human egg cell? Most cells?

3. What three general things does a cell have?

3. What three general things does a cell have?

4. What is the function of the plasma membrane (cell membrane)?

4. What is the function of the plasma membrane (cell membrane)?

5. What “parts” are included in the cytoplasm?

5. What “parts” are included in the cytoplasm?

6. Do all cells have a nucleus containing DNA?

6. Do all cells have a nucleus containing DNA?

7. What is the basic difference between prokaryotic and eukaryotic cells? Which tends to be larger?

7. What is the basic difference between prokaryotic and eukaryotic cells? Which tends to be larger?

8. Define organelles.

8. Define organelles.

9. What is a colonial organism?

9. What is a colonial organism?

10. Define tissue.

10. Define tissue.

11. Define organ.

11. Define organ.

12. Define organ system.

12. Define organ system.

13. What makes up an organism?

13. What makes up an organism?

14. What is the plasma membrane primarily made of?

14. What is the plasma membrane primarily made of?

15. What is the function of sterols in the plasma membrane?

15. What is the function of sterols in the plasma membrane?

16. What does the fluid mosaic model state?

16. What does the fluid mosaic model state?

17. What is the nuclear envelope made of?

17. What is the nuclear envelope made of?

18. What is the function of mitochondria?

18. What is the function of mitochondria?

19. What are ribosomes responsible for?

19. What are ribosomes responsible for?

20. What does the endoplasmic reticulum function as?

20. What does the endoplasmic reticulum function as?

21. What is the function of cilia and flagella?

21. What is the function of cilia and flagella?