Cell Ultrastructure

What is the function of the nucleolus?

• To make ribosomes

• To control the cell's activity

• To synthesize proteins

• To hold genetic material

What is the rough endoplasmic reticulum (RER) responsible for?

• Lipid synthesis

• Detoxification

• Protein synthesis and transportation

• 
  Digestion

What are the flattened membrane sacs of RER called?

• Cristae

• Cisternae

• Lamallae

• Plasmodesmata

What is the function of the smooth endoplasmic reticulum (SER)?

• Scaffolding

• Distribution

• Protein synthesis

• Lipid Synthesis

What is the Golgi apparatus responsible for?

• Making ribosomes

• Transporting proteins from the RER to the cell membrane for export

• Modifying proteins

• Synthesising Prtoteins

What is the name of a membrane bound bubble that moves between organelles

• Vesicle

• Lysosome

• Secretory Vesicle

• Exocytosis

What are lysosomes?

• Flattened membrane sacs that pinch off at the ends to form vesicles

• Large holes containing proteins that control the exit of substances from the nucleus

• Membrane-bound vesicles containing digestive enzymes

• Small membrane-bound vesicles formed from the RER

What is the opposite of secretion?

• Digestion

• Exocytosis

• Endocytosis

• Absorption

What substance is the plant cell wall made from?

• Peptidoglycan

• Cellulose myofibrils

• Cellulose microfibres

• Cellulose microfibrils

Which of the following are the structures in a chloroplast that the chlorophyll pigments are attached to?

• Grana

• Thylakoids

• Intergranal lamallae

• Stroma