JAVA CONSTRUCTORS AND METHODS QUIZ

Peptidoglycan is a complex consisting of

oligo-saccharide and protein

polysaccharide and protein

mono-saccharide and protein

aminoacid and carbohydrate

TRUE ANSWER : ?
YOUR ANSWER : ?

Bacteriorhodopsin

is an integral membrane protein

All of these

contains primarily alpha-helical residues

absorbs light and pumps protons

TRUE ANSWER : ?
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The model that is now known to be correct for the structure of biological membrane is

Fluid mosaic model

Lac Operon model

Page's model

Lock and Key model

TRUE ANSWER : ?
YOUR ANSWER : ?

Biological membranes are like water beds because

All of these

they (normally) do not leak their contents

they are always moving

the membrane is thin compared to the enclosed volume

TRUE ANSWER : ?
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The smooth endoplasmic reticulum (SER) is the site of

carbohydrate synthesis

amino acid synthesis

protein synthesis

phospholipid synthesis

TRUE ANSWER : ?
YOUR ANSWER : ?

In membranes, lipids are

glycerophospholipids

all of these

sterols

sphingolipids

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

carbohydrates

cholesterol

hydrophobic molecules

integral proteins

TRUE ANSWER : ?
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The movement of molecules across a membrane by passive transport does not require

none of these

internal energy

vibrational energy

an input of metabolic energy

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The plasma membrane is a selectively permeable barrier due to presence of specific transport

amino acids

proteins

none of these

carbohydrates

TRUE ANSWER : ?
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Membrane lipids are

hydrophilic

ampiphillic

none of these

hydrophobic

TRUE ANSWER : ?
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