Explain the difference between globular and fibrous proteins. - Vidyadip

Question

Explain the difference between globular and fibrous proteins.

✓

Answer

Globular Proteins : Globular proteins are those which are usually coiled into compact and have spherical shape. These are generally soluble in water. Almost all enzymes and transport proteins are globular. Example insulin, albumine etc.
Fibrous Proteins : Fibrous proteins are those which consist of polypeptide chain arranged side in long threads. These are insoluble in water. They play a structural role in living organism. Example : collagen, myorin, $\alpha$-keratin etc.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "2 Marks Questions" from Biomolecules→Biomolecules — all question types→Chemistry STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Answer the following:
(a) For a chemical reaction, what is the effect of catalyst on the rate of the reaction.
(b) Why is the probability of reaction with molecularity higher than three very rare?

Carry out the following conversions:
Phenol to benzoquinone.

Why the boiling points of aldehydes and ketones are higher than the hydrocarbons and ethers of comparable molecular masses but lower than alcohols?

After removing the outer shell of two eggs in dil. HCl, one is placed in distilled water and the other in a saturated solution of NaCl. What will you observe and why?

What are enzymes?

Classify the following compounds as primary, secondary and tertiary halides.

1-Bromobut-2-ene
4-Bromopent-2-ene
2-Bromo-2-methylpropane

You are given benzene, conc. $H _2 SO _4$ and NaOH . Write the equations for the preparation of phenol using these reagents.

a. Nitrogen gas is soluble in water. At temperature $293 K$, the value of $K_HiS 76.48$ kbar. How would the solubility of nitrogen vary $($increase, decrease or remain the same$)$ at a temperature above $293 K_H$ if the value of $K_1$ rises to 88.8 kbar.
b. Chloroform $(b.p. 61.2^\circ C)$ and acetone $(b.p. 56^\circ C)$ are mixed to form an azeotrope. The mole fraction of acetone in this mixture is $0.339$. Predict whether the boiling point of the azeotrope formed will be $(i) 60^\circ C (ii) 64.5^\circ C$ or $(iii)54 ^\circ C.$ Defend your answer with reason.

Electronegativity of fluorine is more than electronegativity of chlorine although acidic strength of chlorobenzoic acid is more than p-fluorobenzoic acid, why?

Calculate the volume of water which could be added to $20\ m$l of $0.65 \ m \ \text{HCl}$ to dilute the solution to $0.2\ m$?