1. 11/3 & 11/4 - 7 th Grade Agenda Collect: HW: Reading & Note Taking p. 62 & 63 Collect Cell Poster & Parent Signature Today is the last day to turn in late work for the Quarter Chemicals in Cells Classwork: Chap 3 Reading Guide Video: Bill Nye Atoms Class Reading p.99-104 HW: Reading & Note Taking p. 64 & 66

2. How Big is a Cell http://www.cellsalive.com/howbig.htm

3. A tiny cell structure that carries out specific function within the cell is called _____________ Organelle

4. The _________ is a rigid layer of nonliving material that surrounds the cells of plants and some other organisms Cell Wall

5. The ____________ controls what substance come into and out of a cell Cell Membrane Cell’s Doorway

6. The ____________ is the cell’s control center, directing all of the cell’s activities Nucleus Brains of the Cells

7. The _____________ are called the powerhouses of the cell because they produce most of the energy the cell needs to carry out its functions Mitochondria Powerhouse

8. The _________________ are passageways that carry proteins and other materials from one part of the cell to another. Endoplasmic Reticulum Freeway of the Cells

9. The ________ are small grain like bodies which are attached to the outer surface of the endoplasmic reticulum. that act like factories to produce proteins Ribosomes Protein Factory

10. The ___________ can be thought of as the cell’s mailroom. It receive proteins from endoplasmic reticulum and distribute them to other parts of the cell. Golgi Bodies Mailroom

11. The __________ are only found in plants. It capture energy from sunlight and use it to produce food for the cell. Chloroplasts Solar Cells

12. The ________ are water filled sac floating in the cytoplasm. It act as the storage area of the cell. Vacuoles Storage Area

13. The ________ are small round structures that contain chemicals that break down large food particles into smaller ones Lysosomes Cell’s Cleaner

15. What are cells and organelles made out of? Chemicals

16. What are chemicals made out of? Comp_________ Can you give me examples of compounds? Water, Sugar, Alcohol, Carbon Dioxide ounds

17. Compound When two or more elements comb_____ chemically, they form a compound ine

18. Elements Element is any substance that cannot be br_______ down into simpler substance. Can you give me an example of an element? Gold, Hydrogen, Oxygen, Carbon, Nitrogen, Iron oken

19. Compound Carbohydrates, lipids, proteins and nucleic acids are important groups of organic com_____________ in living things pounds

20. Organic Compounds vs Inorganic Compounds What is the difference between organic and inorganic compounds? Organic compounds have the element carbon.

21. Carbohydrates A carbohydrate is an en______ rich organic compound. Sug____ and starches are examples of carbohydrates. ergy ars

22. Lipids Lipids are ene____ rich organic compounds made of carbon, hydrogen and oxygen Fats, oils and waxes are all lipids rgy

23. Proteins Proteins are large organic molecules made of carbon, hydrogen, oxygen, nitrogen. Food that are high in protein include me___, eggs, fi__, nuts and beans at sh

24. Enzymes An enzyme is a type of protein that speeds up a che______ reaction in a living thing. For example, enzymes in your saliva speed up the dige______ of food. mical stion

25. Nucleic Acids Nucleic acids contain the inst________ that cells need to carry out all the functions of life. DNA and RNA are Nucleic Acids uctions

26. What are the organic compounds found in cells? Carboh______ Lip_____ Pro_____ Nuc______ Acid ydrates ids tein leic