Proteins

Q.

Write a brief paragraph about amino acids optical activity.

Q. The pi bond between Cl- O in ClO4- is formed by the overlapping of _____ orbital

Q.

The pH of blood does not appreciably change by a small addition of an acid

or a base because blood

1. Contains iron as a part of the molecule

2. It is body fluid

3. Can be easily coagulated

4. Contains serum protein which acts as buffer

Q.

Which of the following do not cause denaturation of proteins

1. Heating proteins
2. Adding acid to proteins
3. Adding water to proteins
4. Adding detergent to proteins

Q. Energy is stored in our body most commonly in the form of

1. ATP
2. ADP
3. Fats
4. Carbohydrates

Q.

A 40.0 mL solution of a weak base, BOH is titrated with 0.1 N HCl solution. The pH of the solution is found to be 10.04 and 9.14 after adding 5.0 mL and 20.0 mL of the acid respectively. The dissociation constant of the base is:

1. 

2. 

3. 

4. 

Q. how to find isomorphs?

Q.

Which of the following do not cause denaturation of proteins

1. Heating proteins
2. Adding acid to proteins
3. Adding water to proteins
4. Adding detergent to proteins

Q. Do (AlH3)n contain bridge bond or hydrogen bond or simple bonding ?

Q. Choose the correct statement(s):

1. In reverse osmosis, pressure applied on the solution side is more than the osmotic pressure of the solution
   
2. Plasmolysis is the gradual shrinking of the cell material when the cell is placed in a solution having its osmotic pressure greater than that of the cell sap.
3. In reverse osmosis, pressure applied on the solution side is less than the osmotic pressure of the solution
4. Principle of reverse osmosis is used in desalination of sea-water.

Q. Where neo- and iso- used as prefixes in isomerism

Q. Denaturation of protein causes structural change in $2^{\circ }\mathrm{and}3°$ structure of protein but primary structure remain unchanged.

1. True
2. False

Q. Globular proteins are insoluble in water

1. True
2. False

Q. which is lenear due to h bond nh3 or h

Q. Denaturation of protein causes structural change in $2^{\circ }\mathrm{and}3°$ structure of protein but primary structure remain unchanged.

1. True
2. False

Q. Energy is stored in our body most commonly in the form of

1. ATP
2. ADP
3. Fats
4. Carbohydrates

Q. how to take \log of 89.5×10 9 easily with metho

Q. Why does c-cl bond have higher dipole movement than c-f bond

Q. Given below are two statements A and B. Choose the correct answer related to the statements. Statement A: Amino acids are amphoteric in their function Statement B: All amino acids are necessary for our body

1. Statement A is correct but statement B is wrong
2. Both the statements A and B are correct
3. Statement A is wrong but statement B is correct
4. Both the statements A and B are wrong

Q. What do you mean by protein based stains ?