Questions

Mitochondria are present in both plant and animal cells.

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.

Routable protocols can work with a router and can be used to build large networks. Non-Routable protocols are designed to work on small, local networks and cannot be used with a router

Rafael Nadal defeated Daniil Medvedev in the men's singles title at the 2019 US Open. It was Nadal's 19th Grand Slam singles title, and fourth US Open title.

Top five most popular games world wide are :

Game name              -      Estimated  fans     -    Popular Regions

1. Soccer / Football      -      3.5 Billion    -     Europe, Africa, Asia, America

2. Cricket                    -      2.5 Billion     -    Asia, Australia, UK

3. Basketball               -      2.2 Billion     -    US, Canada, China and Philippines

4. Field Hockey           -       2 Billion       -     Europe, Africa, Asia, Australia

5. Tennis                    -       1 Billion       -     Europe, Americas, and Asia.

Gorakhpur railway platform in Uttar Pradesh is the longest railway platform in the world.