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WorksheetsMembranes and transport methods
Total questions: 10
Worksheet time: 5mins
Which membrane structures form the glycocalyx?
glycolipids and glycoproteins
glycolipids and glycophosphates
glycolipids and cholesterol
glycolipids and phospholipids
Which structure in the cell surface membrane is responsible for maintaining the fluidity of the membrane?
phospholipid
cholesterol
intrinsic protein
glycoprotein
What molecules are moved across membranes by facilitated diffusion
small, non polar molecules
ions, large molecules, non polar molecules
ions, large molecules, polar molecules
large ionic compounds
Which factor might slow down the rate of diffusion into a cell?
temperature increase
larger concentration gradient
increased diffusion distance
decreased surface area of membrane
Name molecule F:
Intrinsic protein
Extrinsic protein
Glycoprotein
Channel protein
What type of solution are the A cells in?
Hypertonic
Hypotonic
Isotonic
Extratonic
Which description of what is happening to animal cell C is correct?
What is moving into the cell by osmosis. The cell has undergone plasmolysis.
Water is moving into the cell by osmosis. The cell has swelled then undergone lysis.
Water is moving into the cell by osmosis. The cell has swelled and become turgid.
Water is moving out of the cell by osmosis. The cell has become crenated.
What types of protein are used for active transport across the cell surface membrane?
Extrinsic proteins
Both channel and carrier proteins
Only channel proteins
Only carrier proteins
What component of the cell surface membrane represents the mosaic in the fluid mosaic model of cell membrane structure?
Cholesterol
Phospholipids
Proteins
Glycolipids
What property do phospholipids possess that enables them to form a phospholipid bilayer
They are soluble in water
They are hydrophobic
They are hydrophilic
They are amphipathic
