AP Bio - Cells and Membranes

Increases the fluidity of the plasma membrane

• more saturated fatty acids
• more unsaturated fatty acids
• more cholesterol
• more integral proteins

What happens to a RBC when it is put into a hypertonic solution?

• it swells
• it shrinks
• it stays the same size
• it breaks

Cholesterol enters cells via ___.

• pinocytosis
• receptor mediated endocytosis
• phagocytosis
• facilitated diffusion

What type of transport would release enzymes from  pancreatic cells?

• exocytosis
• pinocytosis
• phagocytosis
• facilitated diffusion

Sodium ions get pumped _____ the cell, and potassium ions get pumped ____of the cell. 

• out, out
• in, in
• out, in
• in, out

Tags

NGSS.HS-LS1-3

Energy source for active transport. 

• Sunlight
• ATP
• Glucose
• DNA

Tags

NGSS.HS-LS1-7

Which structure is common to plant and animal cells?

• central vacuole
• chloroplast
• wall made of cellulose
• mitochondrion

Plant cells have ___ for cell to cell communication.

• gap junctions
• plasmodesmata
• desmosomes
• tight junctions

White blood cells engulf bacteria through what process?

• pinocytosis
• osmosis
• phagocytosis
• exocytosis

The movement of potassium into an animal cell requires

• an energy source such as ATP
• low cellular concentrations of sodium
• a cotransport protein
•  high cellular concentrations of potassium