the answer for each is a cell part
what is the powerhouse of a cell & site of ATP production?
what supports the shape of the entire cell
what is involved in muscle contraction in larger organisms
biology please help! - -, Monday, October 19, 2009 at 4:10pm
Nucleus, Cell membrane/wall or cytoskeleton (depends on what you learned in class, or your text book). I'm not sure of the last one.