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Transcript
Cell Parts Worksheet – This is a high point assignment. Name: __________________ Period: _________ Fill in the blanks on this sheet, and then draw each cell part on a separate piece of unlined paper. Draw neatly, use color and label each part. The symbol tells you what you must draw and label. 1. Robert Hook was famous for: 2. Matthias Schleiden: 3. Theodor Schwann 4. Rudolf Virchow 5. The three parts of Cell Theory are: 6. Organelles are: 7. The Plasma Membrane performs a number of critical functions for the ________. It consists of a double layer of __________________. It regulates all that _____________ and leaves the cell. In multicellular organisms it has markers on the outside surface so the organism can recognize its own cells and identify ___________. On a separate piece of paper, draw and label a large cell membrane that is approximately the size of the whole sheet. You will be filling it with sketches of organelles so make it big. In the corner of your paper, draw a close-up of section of the membrane showing the phospholipid bilayer. 8. Nucleus is called the ______________________ of the cell. It _________________ all cell activity. The nuclear envelope has many ____________________ for letting out genetic information. When the cell is making copies of itself, it contains DNA in the form of thick ropy strands called_____________________. When the cell is resting and making ____________ the DNA is thin and relaxed and is called _____________. The DNA stores information needed for the manufacture of _________________. The large solid spot is the _____________________ which manufactures __________________________.. Draw and label the nucleus and make sure it shows what it what it contains. Don’t forget the nuclear pores. 9. Endoplasmic Reticulum (ER) is a network of double membranes found in the _____________ 10. Rough E.R. is continuous with the __________________ and has __________________________ attached to it. This gives it its texture. These ribosomes manufacture __________________________ for the cell. Draw and label RER just outside the nuclear membrane. Remember to add ribosomes to make it “rough”. 11. ___________ E.R. has no _______________. It acts as a ____________________system throughout the cytoplasm. Its job is to __________________________ and ___________________________It also produces ___________________ for the cell. Draw and label SER inside your cell. 12. There are 2 kinds of ribosomes: The ________________ ribosomes are found in the RER and make __________ that are shipped out of the cell. The ________________ ribosomes are found in the cytoplasm. They make proteins that will be used:______________ Draw a few of both kinds of ribosomes. Label one of each kind. 13. 9. Golgi Body is responsible for _________________________ for the cell. It looks like stacks of pita (pocket) bread. Draw and label a Golgi body inside your cell 14. Vacuoles are used to hold ___________ and ______________ The vacuole in a plant cell is very ___________in size and contains _____________. Your cell is a plant cell, (it has chloroplasts). Draw and label a very large vacuole. 15. The membrane around the vacuole is called the ____________ Label it. Since this is a plant cell, draw and label the cell wall around the cell membrane. 16. Microscopic channels that go through the cell walls of plants and allow them to transport and communicate between cells are called the: _____________________ 17. Lysosomes are ______________________. They are produced by the ________________ body. They are filled with powerful _______________ enzymes. They help protect you by __________________ the bacteria that your white blood cells engulf. They also act as a cleanup crew for the cell. Draw and label a lysosome inside your cell 18. Contractile Vacuoles are found in some single celled organisms. Their function is to : 19. A mitochondrion is the _______________________ of the cell. This is where the cell _________________________ It has a ____________________ membrane. Mitochondria have their own ________ and manufacture some of their own _______________. Draw and label a mitochondrion inside your cell 20. The ______________________ is a series of protein tubes and filaments that form the skeleton of the cell. This structure gives the cell shape. 21. Chloroplasts are the site of ______________________ which is where plants make food from _________ and __________. Their color is _____________________________ Draw and label a chloroplast inside your cell. Use the correct color. Cell movement: 22. Some cells move with tiny oars called: _________________ 23. Others move by whipping one or two protein filaments called: _____________ 24. And others push out a pseudopod and fill it with cytoplasm. This structure is called ______________ movement. When the fluid in the cell fills the pseudopod, this is called __________________