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Membrane Structure and Function

Membrane Structure and Function
The model that is now known to be correct for the structure of biological membrane is

Lac Operon model
Fluid mosaic model
Page's model
Lock and Key model

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Membrane Structure and Function
Which type of molecule spans the membrane, from its inner to outer surface according to the Fluid mosaic model of cell membranes?

Carbohydrate
Protein
Phospholipid
Cholesterol

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Membrane Structure and Function
In active transport, the membrane structure that functions is

integral proteins
cholesterol
hydrophobic molecules
carbohydrates

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Membrane Structure and Function
The movement of molecules across a membrane by passive transport does not require

vibrational energy
an input of metabolic energy
internal energy
none of these

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Membrane Structure and Function
Membrane lipids are

hydrophilic
none of these
hydrophobic
ampiphillic

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Membrane Structure and Function
The plasma membrane is a selectively permeable barrier due to presence of specific transport

amino acids
carbohydrates
none of these
proteins

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