Question

label each of the cell structures in this diagram.

1. ________
2. ________
3. ________
4. cytoskeleton
5. ________
6. ________
7. ________
8. ________
9. ________
10. ________
11. ________
12. vesicle
13. is this cell a plant or an animal cell? how do you know?
14. what three cell structures are present in plant cells that are not present in animal cells?
15. describe how each of these scientists contributed to cell theory:

a. robert hooke:
b. anton van leeuwenhoek:
c. matthias schleiden:
d. theodor schwann:

Explanation:

• For the cell - labeling part, it requires knowledge of typical animal cell structures.
• To determine if it's a plant or animal cell, we look for the presence or absence of plant - specific structures like cell walls, chloroplasts, and large central vacuoles.
• For the contributions to cell theory, we recall the historical work of each scientist.
• Robert Hooke named cells after observing cork under a microscope.
• Anton van Leeuwenhoek was the first to observe living cells.
• Matthias Schleiden proposed that plants are made of cells.
• Theodor Schwann proposed that animals are made of cells.

Answer:

1. Microvilli
2. Nucleolus
3. Rough endoplasmic reticulum
4. Cytoskeleton
5. Smooth endoplasmic reticulum
6. Golgi apparatus
7. Centriole
8. Mitochondrion
9. Nucleus
10. Nuclear pore
11. Plasma membrane
12. Vesicle
13. This is an animal cell. There are no cell walls, chloroplasts, or large central vacuoles which are typical of plant cells.
14. Cell wall, chloroplast, large central vacuole.

10.
a. Robert Hooke: Coined the term "cell" after observing cork under a microscope.
b. Anton van Leeuwenhoek: First to observe living cells.
c. Matthias Schleiden: Stated that plants are made of cells.
d. Theodor Schwann: Stated that animals are made of cells.