||. True or False: Write TRUE if the statement is true and write FALSE if the statement is false. Write your answers before the number.
___21. Cells vary in their sizes and shapes according to the functions they perform. ___22. The little structures inside the cell are called "organelles". ___23. The cell membrane is the semi-permeable membrane that acts as the outer boundary of the cell. ___24. The coded instructions in the nucleus are stored on special structures called the chromosomes. ___25. The cytoplasm is the material between the cell membrane and the nucleus where most of the organelles are suspended.
