Introduction to the Plasma Membrane (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What property allows the plasma membrane to control which substances pass through it?
What property allows the plasma membrane to control which substances pass through it?
Selective permeability
Which properties describe the phosphate head of a phospholipid?
Which properties describe the phosphate head of a phospholipid?
Hydrophilic and polar
What characteristic describes the fatty acid tails of phospholipids?
What characteristic describes the fatty acid tails of phospholipids?
Hydrophobic and nonpolar
What term describes molecules with both hydrophilic and hydrophobic parts?
What term describes molecules with both hydrophilic and hydrophobic parts?
Amphipathic
Which protein type spans the entire plasma membrane from one side to the other?
Which protein type spans the entire plasma membrane from one side to the other?
Transmembrane proteins
What is formed when a carbohydrate chain attaches to a membrane protein?
What is formed when a carbohydrate chain attaches to a membrane protein?
Glycoprotein
How does cholesterol help membranes in hot environments?
How does cholesterol help membranes in hot environments?
Keeps phospholipids bound together
What does 'fluid' mean in the fluid mosaic model?
What does 'fluid' mean in the fluid mosaic model?
Components can move within the membrane
What structural feature distinguishes saturated from unsaturated fatty acids?
What structural feature distinguishes saturated from unsaturated fatty acids?
Unsaturated have double/triple bonds
Why do cells in cold environments have more unsaturated fatty acids?
Why do cells in cold environments have more unsaturated fatty acids?
Kinks prevent tight packing