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7th Grade Science

life science

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?
Created by: rms_leivas_alexa