STRUCTURE OF PROTEINS

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Questions and Answers

It depends upon the spatial arrangement of polypeptide chains

  • Amino acid
  • Primary Structure of Proteins
  • Secondary Structure of Proteins
  • Structure of Proteins (correct)

The sequence of amino acids in polypeptide chain is called ________ _________

  • Primary Structure of Proteins (correct)
  • Secondary Structure of Proteins
  • Tertiary Structure of Proteins
  • Quarternary Structure of Proteins

In Primary Structure of Proteins Amino acid are linked with one another trough the ___________

  • Hydrogen bonding
  • Disulfide bonds
  • Peptide bonds (correct)
  • Salt bridges

Peptide chain may acquire spiral shape or may be present in a zig zag manner.

<p>Secondary Structure of Proteins (A)</p> Signup and view all the answers

This coiling of peptide chains is called the ___________

<p>Secondary Structure of Proteins (C)</p> Signup and view all the answers

The Secondary Structure of Proteins when the coiling of peptide chains happened because due to the _________

<p>Hydrogen bonding (A)</p> Signup and view all the answers

What happened if the Alpha helix pulled?

<p>The beta sheet will form. (B)</p> Signup and view all the answers

The twisting or folding of Polypeptide chains represent the ___________

<p>Tertiary Structure of Proteins (C)</p> Signup and view all the answers

Combination of beta sheet and alpha helix.

<p>Tertiary Structure of Proteins (C)</p> Signup and view all the answers

Three dimensional structure

<p>Tertiary Structure of Proteins (B)</p> Signup and view all the answers

Regular sub-structures

<p>Secondary Structure of Proteins (A)</p> Signup and view all the answers

It is the arrangement of multiple folded protein or coiling protein molecules in multi-subunit complex.

<p>Quarternary Structure of Proteins (D)</p> Signup and view all the answers

A variety of bonding interactions including _______, ________, _______, holds the various chains into a particular geometry.

<p>Hydrogen bonding, salt bridges and disulfide bonds (C)</p> Signup and view all the answers

Complex of Protein molecules

<p>Quarternary Structure of Proteins (D)</p> Signup and view all the answers

Properties of Proteins found in all living organisms.

<p>True (A)</p> Signup and view all the answers

Long chain of amino acids are called polypeptides.

<p>True (A)</p> Signup and view all the answers

Polymers of amino acids are proteins or polypeptides

<p>True (A)</p> Signup and view all the answers

Proteins play an important role in formation of _________

<p>Protoplasm</p> Signup and view all the answers

_________ are complex proteins and act as the carrier of heredity materials from one generation to another.

<p>Nucleoproteins</p> Signup and view all the answers

They are also called proteins

<p>Enzymes</p> Signup and view all the answers

It act as oxygen carrier

<p>Hemoglobin</p> Signup and view all the answers

Digestion of food, cell structure, catalysis, movement, energy manipulation and etc.

<p>Processes of proteins</p> Signup and view all the answers

Is actually precipitation of proteins by tannic acid.

<p>Tanning of hides</p> Signup and view all the answers

Is obtained by heating bones, skins, and tendons in water and it is used in bakery goods.

<p>Gelatin</p> Signup and view all the answers

Is another protein used in manufacture of buttons and buckles.

<p>Casein</p> Signup and view all the answers

Proteins obtained from _________ are used for manufacture of plastic.

<p>Soya bean</p> Signup and view all the answers

Responsible for metabolism

<p>Transport proteins</p> Signup and view all the answers

To low the level of sugar

<p>Regulatory proteins</p> Signup and view all the answers

Anti bodies which is used for fighting infection

<p>Defense proteins</p> Signup and view all the answers

For your body movement it can be voluntary and involuntary movement

<p>Muscle proteins</p> Signup and view all the answers

Flashcards

Protein Structure

Determined by how polypeptide chains arrange themselves in space.

Primary Structure

The linear sequence of amino acids forming a polypeptide chain.

Peptide Bonds

Amino acids are connected via these bonds.

Secondary Structure

Describes the local folding patterns within a polypeptide chain, such as alpha-helices and beta-sheets.

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Hydrogen Bonding

Coiling of peptide chains in secondary structure is due to this.

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Tertiary Structure

The overall three-dimensional arrangement of all atoms in a polypeptide.

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Quaternary Structure

A protein structure resulting from the association of two or more polypeptide subunits.

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Intermolecular Forces

Bonds and interactions that maintain protein structure.

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Polypeptides

Long chains of amino acids.

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Proteins/Polypeptides

Polymers formed from amino acid monomers.

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Proteins Role

Essential component of protoplasm.

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Nucleoproteins

Proteins that carry hereditary information

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Enzymes

Proteins that catalyze biological reactions

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Hemoglobin

Protein that transports oxygen in the blood

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Protein Processes

Digestion, cell structure.

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Tanning of hides

Precipitation of proteins using tannic acid.

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Gelatin

Protein made by heating bones, used in bakery goods

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Casein

Protein used in manufacture of buttons and buckles.

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Metabolism Proteins

Transport, enzyme activity.

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Regulatory Proteins

Proteins that control physiological processes

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Defense Proteins

Proteins that fight infection

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Muscle Proteins

Proteins for body movement.

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