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7th grade science

life science

QuestionAnswer
1)Which is not a main idea of the cell theory? A)An egg contains a miniature version of the adult organism B)All new cells come from preexisting cells C)The cell is the smallest unit of life D)All organisms are made of one or more cells a)An egg contains a miniature version of the adult organism
2)Which is NOT one of the 6 main kinds of atoms that make up the molecules of living things? A)nitrogen B)carbon C)lead D)sulfur
3)What substance make up most of your body's mass? A)carbon B)water C)oxygen D)salt
4)Sugar, starch, cellulose, and chitin are all types of _________. A)lipids B)carbohydrates C)nucleic acids D)proteins
5)What is the difference between the cell memb D)T
Created by: rms_ciaramicham
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