Cell Transport AP

When cells are placed in a __________ solution they begin to swell.

• Hypertonic
• Isotonic
• Hypotonic
• Equalized

Tags

NGSS.MS-LS1-2

What do the brown structures represent?

• Phospholipids
• Glycoproteins
• Channel Proteins 
• Cyctoskeleton Filaments

Tags

NGSS.MS-LS1-2

What is the name for a molecule that has a polar head region and a hydrophobic tail region?

• Bihydrophicity
• Amphipathic
• Hydrophilic
• Dipolarity

What molecule plays and important role in controlling cell membrane fluidity? 

• Insulin
• Testosterone
• Triglyceride
• Cholesterol 

What extracellular molecules aid in cell recognition and cell to cell binding?

• Glycoproteins
• Glycolipids
• Proteoglycans
• All of the above

Which of the following factors does NOT determine the speed of diffusion? 

• Temperature
• Diameter
• pH
• Concentration Gradients 

Tags

NGSS.HS-PS1-5

The cell that is pictured here in is what type of solution?

• Hypertonic
• Isotonic
• Hypotonic
• None of these

_________ proteins are integral membrane proteins that form channels across the membrane through which some substances can pass. 

• Anchored
• Gated
• Embeded
• Channel 

Biological membranes are composed primarily of 

• nucleotides and nucleosides
• enzymes, electron acceptors, and electron donors
• monosaccharides and diasaccharides
• lipids

In biological membranes, the phospholipids are arranged in a _______, with the_______.

• bilayer; fatty acids pointing toward each other
• bilayer; fatty acids facing outward
• single layer; fatty acids facing the interior of the cell
• single layer; phosphorus-containing region facing the interior of the cell