Answer: C) the chemical properties of their R groups Explanation: Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.   Depending on the nature of the side chain groups, three classes of aminoacids can e distinguished: 1. Amino acids with H ond donor and acceptor groups. Histidine, lysine, aspartic acid, threonine,... 2. Amino acids with donor grups only. Arginine, tryptophan and cysteine. 3. Amino acids with acceptor groups only. Asparagine and glutamine.

Answer: C) Uncontrolled mitosis Explanation:

Answer: A) Rs. 1033.33 Explanation: Let P's capital = p, Q's capital = q and R's capital = r.Then 6p = 8q = 12r=> 3p = 4q = 6r=>q = 3p/4r = 3p/6 = p/2P : Q : R = p : 3p/4 : p/2= 4 : 3 : 2R's share = 4650 * (2/9) = 150*6 = Rs. 1033.33.

Answer: C) Haryana Explanation: Teams of the National Aeronautics and Space Administration (NASA) of the United States and the Indian Space Research Organisation (ISRO) would inspect the excavation being carried out at an archaeological site in Haryana’s Fatehabad district to verify claims of it being the oldest civilisation in the world. Archaeologists have recovered artefacts pre-dating the Harappan Civilisation from the site, located in village Kunal in Fatehabad district.

Answer: C) Russia Explanation: Russia is the Largest country of the World by Geographical Area.   Top 10 largest countries of the World : 1. Russia 2. Canada 3. United States of America 4. China 5. Brazil 6. Australia 7. India 8. Argentina 9. Kazakhstan 10. Algeria   When all 10 of the world's largest countries are taken together, they total 49% of the earth's entire 149 million square kilometres of land.

Answer: D) 3:16 4/11 Explanation: Coincide means 00  angle. This can be calculated using the formulafor time A to B means  [11m/2 - 30 (A)] Here m gives minutes after A the both hands coincides. Here A = 3, B = 4 0 =11m/2 –30 × 311m = 90 × 2 = 180m= 180/11 = 16 4/11 So time = 3 : 16 4/11

Answer: C) Bailey Bridge Explanation: The Highest bridge in the world is Bailey bridge. It is located in the Ladakh valley between Dras and Suru rivers in the Himalayan mountains. It was built by the Indian Army in August 1982. It is 30 meters (98 ft) long and is at an altitude of 5,602 meters (18,379 ft) above sea level.

Answer: A) Hydrogen Explanation: Entropy is a measure of disorder . It will be maximum in gases followed by liquids and least in solids.   Hence, here the gas is only hydrogen and it has the highest entropy.