Thursday, October 2, 2008

Cell Webquest Assignment

Internet assignment 1...

This assignment will be worth 50 points...(the equivelant or near-equivelant of an average test grade). Please take this assignment seriously and use your time wisely and effectively.

Use the following webquests and websites to find the information you will need to answer the questions below. Feel free to type your answers, or use notebook paper to turn your assignment in to Mrs. Smith on Monday. Be sure your answers are able to be easily read if it is handwritten!!!

  1. http://www.cellsalive.com/
  2. http://www.beyondbooks.com/lif71/4b.asp
  3. http://www.open2.net/science/cellcity/flash_5.html
  4. http://www.wisc-online.com/objects/index_tj.asp?objID=AP11403
  5. http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/C/CellCycle.html
  6. http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/M/Mitosis.html#prophase

ANSWER THE FOLLOWING: (be sure to include the website # that you found your answer from!!)

1. Ribosomes are constructed in the ___. a) endoplasmic reticulum; b) nucleoid; c) nucleolus; d) nuclear pore
2. Rough endoplasmic reticulum is the area in a cell where ___ are synthesized. a)polysaccharides; b) proteins; c) lipids; d) DNA
3. The mitochondrion functions in ____. a) lipid storage; b) protein synthesis; c)photosynthesis; d) DNA replication; e) ATP synthesis
4. The thin folds and extensions of the inner mitochondrial membrane are known as _____. a) cristae; b) matrix; c) thylakoids; d) stroma
5. Which of these cellular organelles have their own DNA? a) chloroplast; b) nucleus; c) mitochondrion; d) all of these
6. The plasma membrane does all of these except ______. a) contains the hereditary material; b) acts as a boundary or border for the cytoplasm; c) regulates passage of material in and out of the cell; d) functions in the recognition of cells
7.. These are small fingerlike extensions that increase the surface area of the cell. __________
8. These fibers aid in the movement of chromosomes during cell mitosis. __________
9. The hydrophobic tails are found at the (inside / outside) of the lipid bi-layer.
10. An integral protein that passes through both sides of the lipid bi-layer is known as a ___________ protien.
11. Growth and preparation for chromosome seperation occur during which phase of the cell cycle?
12. On a separate piece of paper give a BRIEF description of each phase of the cell cycle and draw a diagram that represents this cycle.
13. After reading through the link discussing the process of cell mitosis, and reading through your book about mitosis... give a brief description of each stage of cell mitosis and diagram what is occuring in the cells during this process on a separate piece of paper.
14. Discuss how various parts of the cell can compare to the components of an efficiently working city. USE YOUR OWN WORDS to discuss this comparison!