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Cards In This Set
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Many of the enzymes thats controls dees-seas firefly squids ability to produce light energy from chemical energy are located where?
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Membranes
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The fluid mosiac model describes the plasma membrane as consisting of what?
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The protelinscan drift about in the phospholipids
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Membrane phospholipids often have kinks in their tails caused by what?
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Double bonds between carbon
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The majot function of glcoprotiens and glycolipids in the cell membranes is to do what?
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Cell to cell recognition allow the cells of an embryo to sort themselves into tissues and organs
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Whan physicians perform an organ transplant they choose a donors whose tissue match those of the recipient as closely as possible. Name the cell components that are being matched?
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Cell surfaces carbohydrates
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Most of the functions of a cell membrane are performed by what?
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Protiens
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Write as many facts as you can anout membrane protien function?
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Many membrane protiens function as enzymes other in signal transaction while others are importnant in transport act as receptors provide cellular identicifactions and forms functions between cells
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Relaying a message from a membrane recepter to a molecule that performs a specific function within a cell is called what?
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Signal transaction
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Plasma membranes are selectively permeable what deos this mean?
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Membranes allow some substances to cross or be transported faster than others
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List the functions of the plasma membrane?
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Retain internal temperature, homeostasis from selective humier around call plays role in signal
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What can pass easily through a membranes lipid bilayer?
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Nonpolar molecules carbon dioxide oxygen cross easy
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Name the characteristics promoted to the utilazation of lipids as the first cell membrane
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Self assemble into a simple membrane
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All cells are enclosed by plasme membrane that is similar in ___ and ___
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Structure and function
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What substance would have the most trouble crossing a biological membrane by diffusing throught the lipid bilayer?
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Sodiums
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By what process does oxgygen pass throught the plasma membrane?
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Passive transport
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