MEMBRANE STRUCTURE AND FUNCTION QUIZ

Pinocytosis occurs in

all eukaryotic cells

mitochondria of all cells

none of these

all prokaryotic cells

TRUE ANSWER : ?
YOUR ANSWER : ?

The model that is now known to be correct for the structure of biological membrane is

Lock and Key model

Fluid mosaic model

Page's model

Lac Operon model

TRUE ANSWER : ?
YOUR ANSWER : ?

The smooth endoplasmic reticulum (SER) is the site of

phospholipid synthesis

amino acid synthesis

carbohydrate synthesis

protein synthesis

TRUE ANSWER : ?
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Biological membranes are like water beds because

All of these

they are always moving

the membrane is thin compared to the enclosed volume

they (normally) do not leak their contents

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not found in membranes?

Glycoproteins

Nucleic acids

Phospholipids

Glycolipids

TRUE ANSWER : ?
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Peptidoglycan is a complex consisting of

aminoacid and carbohydrate

oligo-saccharide and protein

polysaccharide and protein

mono-saccharide and protein

TRUE ANSWER : ?
YOUR ANSWER : ?

In membranes, lipids are

sphingolipids

all of these

glycerophospholipids

sterols

TRUE ANSWER : ?
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In active transport, the membrane structure that functions is

carbohydrates

cholesterol

integral proteins

hydrophobic molecules

TRUE ANSWER : ?
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In Fluid mosaic model, the biological membrane can be viewed as

two dimensional solutions of oriented lipids and carbohydrate

two dimensional solutions of oriented lipids and globular proteins

three dimensional solutions of oriented lipids and globular proteins

three dimensional solutions of oriented lipids and carbohydrate

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Protein

Phospholipid

Carbohydrate

Cholesterol

TRUE ANSWER : ?
YOUR ANSWER : ?