Cells 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 types of transport requires energy?

• Passive
• Active

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

• Temperature
• Diameter
• pH
• Concentration Gradients 

Tags

NGSS.HS-PS1-5

Osmosis is the movement of __________ across a membrane? 

• Glucose
• Water
• N⁺ ions
• Hydrogen Peroxide

Tags

NGSS.MS-LS1-3

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

• Hypertonic
• Isotonic
• Hypotonic
• None of these

Which statement is correct about diffusion?

• It's very rapid over long distances.
• It's a passive process which molecules move from a region of higher to lower concentration.
• It requires an energy expenditure by the cell.
• It's an active process where molecules move from a region of lower to higher concentration.

What is the function of the Golgi Apparatus?

• To produce ribosomes
• To transfer materials
• To protect the cell
• To hold DNA