Chapter 4

Is this statement true or false? The cytoplasm includes all of the cell's components except the plasma membrane and cell wall (if present).

Cell membranes consist mainly of a ________. a. carbohydrate bilayer and proteins b. protein bilayer and phospholipids c. lipid bilayer and proteins

Unlike eukaryotic cells, prokaryotic cells ________. a. have no plasma membrane b. have RNA but not DNA c. have no nucleus d. all of the above

Organelles________. a. are often enclosed by membranes b. are typical of eukaryotic cells c. have specific functions d. All of the above are features of organelles.

In the nucleolus,________ a. DNA remains organized b. ribosome subunits are built c. 1 ysosomes operate d. digestion occurs

You will not observe an animal cell with ________. a. mitochondria b. a plasma membrane c. ribosomes d. a cell wall

Match each cell component with its function. ________mitochondrion ________chloroplast ________ribosome ________smooth ER ________Golgi body ________rough ER a. protein synthesis b. initial modification of new polypeptide chains c. final modification of proteins; lipid assembly; shipping tasks d. photosynthesis e. production of ATP f. assembles lipids; other tasks