BY 1.01, BY2.02

Cell Structures Microviewer Activity

Name/s______Period______

Group______Date______

Answer the following questions from the microviewer slides or the accompanying pamphlet. Make sure you label the magnification under each field of view.

  1. All living things are made of ______.

2. Slide 1: Robert ______named the dark-walled boxes that he saw in ______. He called them cells. Draw the cork cells.Please include the magnification below the field of view.

3. Slide 2:Here you are looking at the skin of an onion. It is excellent to study because it is only one cell thick. Only plants have ______walls. What is the magnification of this slide? ______

Draw the onion cell and be sure to label the nucleus, cytoplasm, cell membrane, and cell wall.

4. Slide 3: In the leaf there is a jelly like substance called ______. It appears to be ______(color) This is the due to the chlorophyll in the leaf that allows photosynthesis. Notice “E,” the stomata where the leave breathes.

Draw this leaf and label the nucleus, cell wall, cytoplasm, and the stomata.

  1. Slide 4: This is a human cheek cell. Does it have a cell wall? ______.

Draw the cheek cell and label the nucleus, cell membrane, and cytoplasm.

  1. Slide 5: All red blood cells of human blood are about the same size. Does the red blood cell have a nucleus? ______. White blood cells are larger than red blood cells and they have a ______. There are also tiny cells called platelets that aid in clotting.

Draw the three types of human blood cells. .

  1. Slide 6: The brain is composed of millions of n______cells. These cells look much different than blood cells. They have a thick main cell body with many long ______. Electrical impulses travel across the fibers to send signals to all parts of the body.

Draw a nerve cell

8. Slide 7: Bacteria are classified as ______-celled organisms. They were previously classified in the kingdom Moneria. It has been divided in to Archeobacteria and Eubacteria.

What is the magnification of this slide? ______

Draw a bacterium.

  1. Slide 8: What is the magnification of this slide? ______Viruses are too small to be seen with the orginary microscope. They can only be seen with an electron microscope. The are not classified as typical ______, although this still questioned. In this slide the virus is attacking a ______. They life inside other cells.

Draw this slide.