Name ______Date ______Period ______

Cell Web Quest

The Virtual Cell – Go to http://www.ibiblio.org/virtualcell/index.htm & click on the school bus.

DRAW:

1. Centrioles are only found in ______cells. They function in cell ______. They have _____ groups of _____ arrangement of the protein fibers. Draw a picture of a centriole in the box. / Centriole
2. Lysosomes are called ______sacks. They are produced by the ______body. They consist of a single membrane surrounding powerful ______enzymes. Those lumpy brown structures are digestive ______. They help protect you by ______the bacteria that your white blood cells engulf. ______act as a clean up crew for the cell. Zoom in and draw what you see. / Lysosomes
3. Chloroplasts are the site of ______. They consists of a ______membrane. The stacks of disk like structures are called the ______. The membranes connecting them are the ______membranes. Zoom in and draw a picture. / Chloroplasts
4. Mitochondrion is the ______of the cell. It is the site of ______. It has a ______membrane. The inner membrane is where most ______respiration occurs. The inner membranes is ______with a very large surface area. These ruffles are called ______. Mitochondria have their own ______and manufacture some of their own ______. Draw a picture of the mitochondrion with its membrane cut. / Mitochondrion
5. Endoplasmic Reticulum (ER) is a series of double membranes that ______back and forth between the cell membrane and the ______. These membranes fill the ______but you cannot see them because they are very ______. The rough E.R. has ______attached to it. This gives it its texture. These ribosomes manufacture ______for the cell. The ribosomes are the ______which manufacture proteins. Draw the rough ER with a ribosome. / Endoplasmic Reticulum (ER)
6. Smooth E.R. ______ribosomes. It acts as a ______throughout the cytoplasm. It runs from the cell membrane to the nuclear ______and throughout the rest of the cell. It also produces ______for the cell. Draw a picture of the smooth ER. / Smooth ER
7. Cell Membrane performs a number of critical functions for the ______. It regulates all that ______and leaves the cell; in multicellular organisms it allows ______recognition. Draw and shade the cell membrane. / Cell Membrane
8. Nucleus is called the ______of the cell. It is a large ______spot in eukaryotic cells. It ______all cell activity. The nuclear membrane has many ______. The thick ropy strands are the ______. The large solid spot is the ______. The nucleolus is a ______of chromatin. It manufactures ______. The chromatin is ______in its active form. It is a ______of DNA and histone proteins. It stores the information needed for the manufacture of ______. Draw a picture of the nucleus and its nucleolus. / Nucleolus
9. Golgi Body is responsible for packaging ______for the cell. Once the proteins are produced by the ______E.R., they pass into the ______like cisternae that are the main part of the Golgi body. These proteins are then squeezed off into the little ______which drift off into the cytoplasm. Draw a picture of the Golgi Body as it is squeezing off the proteins. / Golgi Body

Cells Alive – Go to www.cellsalive.com/cells/3dcell.htm

What are 2 main types of cells? (answer in table)

CELL TYPE / DESCRIPTION / ORGANISMS w/ CELL TYPE

Osmotic Pressure in Cells

Go to. http://www.phschool.com/science/biology_place/biocoach/biomembrane1/solutions.html

Hypotonic Solution

1.  If the concentration of water molecules is greater outside the cell, the solution is called______.

2.  In a hypotonic solution, the pressure against the inside of the cell membrane will steadily increase or decrease (circle one).

3.  What happens to the cell in the hypotonic solution

______.

Isotonic Solution

4.  If the concentration of water molecules is the same on the inside and outside of the cell membrane, the solution is called ______.

5.  What state is reached when water molecules move into and out of the cell membrane at the same rate? ______

Hypertonic Solution

6.  When a living cell is placed in a solution that has a higher salt concentration than the cell, it is called a ______solution.

7.  What happens to the cell in the hypertonic solution?

______.

GO TO http://www.wisc-online.com/objects/index_tj.asp?objid=AP11403

-  click next to identify the cell parts and read about the functions of its organelles

-  click next again to test your knowledge