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Science Grade 7

Life Science

QuestionAnswer
1)Which is NOT a main idea of the cell theory? B) All new cells come from preexisting cells.
2)Witch is NOT one of the 6 main kinds of atoms that make up the molecules of living things? A) Nitrogen
3) What substance makes up most of your body's mass? B) Water
4)Sugar, Starch, Cellulose, and chitin are all type of. A) Lipids
5) What is a difference between the cell membrane and cell wall? D) The cell wall is found only in plant cells, and the cell membrane is found only in animal cells.
6)What is the function of both cilia and flagella? B) Make Food
7)Which is found in both plant and animal cell? A) Central Vacuole
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