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7th Grade Science
life science
Question | Answer |
---|---|
Which is Not a main idea of the cell theory? | |
Which is NOT one of the 6 main kinds of atoms that make up the molecules of living things | C) Lead |
B) Water | |
Sugar. starch, cellulose. and chitin are all types of________. | |
What is a difference between the cell membrane and the cell wall? | B) The cell wall is selectively permeable, but the cell membrane allows substances to pass through freely. |
What is the function of both cilia and flagella? | |
Which is found in both and and animal cells? | A) central vauole |
Which is a true statement about ribosomes? |