AS Cell membranes

Identify the molecule in the image

What term that describes the phosphate head of a phospholipid?

• Fluid

• Hydrophilic

• Mosaic

• Hydrophobic

Identify the molecule that spans the entire width of a cell membrane

• Peripheral protein

• Integral protein

• Cholesterol

• Phospholipid

The hydrophibic tails of phospholipids comprise of which type of molecule?

Identify the molecule in a membrane with a carbohydrate chain attached

• Cholesterol

• Glycoprotein

• Phospholipid bilayer

• Fatty acids

Identify the molecule found in animal cell membranes that reduces membrane fluidity and permeability to some solutes

• Cholesterol

• Phospholipid

• Integral proteins

• Glycolipid

Which of these molecules is partially embeded in a cell membrane?

• Phospholipid

• Integral protein

• Cholesterol

• Peripheral protein

Identify the scientists who proposed the fluid mosaic model of membrane structure

• Watson and Crick

• Davson and Danielli

• Singer and Nicholson

• Meselson and Stahl

Identify the term that describes a phospholipd as having both a hydrophobic and hydrophilic component.

• Mosaic

• Fluid

• Eukaryotic

• Amphipathic

Which of the following is protein in a membrane that catalyzes chemical reactions

• Immobilized enzyme

• Channel for passive transport

• Cell to cell adhesion

• Hormone binding site