II. 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.
26. The endoplasmic reticulum has one kind only and it always appears rough.
27. The ribosomes contain chemicals that digest wastes and worn-out cell parts.
28. The vacuoles are the storage areas in cells that store toxic chemicals.
29. The lysosome is the site of protein synthesis.
30. The centrosomes are commonly called the power house of the cell.​