AP Review Unit 2

Cystic fibrosis is a genetic condition that is associated with defects in the CFTR protein found in the membrane. Which organelle synthesized the protein?

• Golgi Bodies

• Rough ER

• Smooth ER

• Lysosome

The following data was collected by observing subcellular structures of three different types of eukaryotic cells. Identify a function of Cell X.

• Detoxification

• Secretion of Proteins

• Motility

• Storage

How does the location of the ribosome affect the type of protein product?

• Free ribosomes synthesize cytosolic proteins, while bound ribosomes synthesize membrane proteins

• Free ribosomes synthesize membrane proteins, while bound ribosomes synthesize cytosolic proteins

• Free ribosomes synthesize proteins for the mitochondria, while bound ribosomes synthesize cytosolic proteins

• Free ribosomes synthesize cytosolic proteins, while bound ribosomes synthesize proteins for the mitochondria

Where is the mRNA (used for synthesis of proteins) made?

• Nucleus

• Ribosome

• Rough ER

• Smooth ER

Tay Sachs results from a build-up of fats due to an error in which organelle that is responsible for digesting macromolecules?

• Rough ER

• Smooth ER

• Lysosome

• Golgi Bodies

A phospholipid has 2 parts. What are they called? 

• Hydrophilic Head, Hydrophobic Tail 
• Hydrophobic Head, Hydrophilic Tail 

___________ strengthens and stabilizes the cell membrane.

• Carbohydrates 
• Proteins 
• Phospholipids 
• Cholesterol

Something is ___________ ____________
when some molecules can cross the membrane while others cannot. 

• Selectively (or Semi) Permeable 
• Totally Transparent
• Liquid Licorice 
• Heavily Patrolled 

A cell in an isotonic solution will

• swell
• shrink
• stay the same size
• impossible to tell

Food is moved into the cell by ________________________.

• endocytosis
• pinocytosis
• exocytosis
• osmosis

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