Questions

A Jig saw puzzle pieces are in different colors which have different shapes. 

You can put it anywhere you like but there is only one right place for it to be fit in it.

Venus is known as earth's twin because of its closeness to the earth with respect to size, mass(weight) and density.

Phoebus Levene was an organic chemist in the early 1900's. He is perhaps best known for his incorrect tetranucleotide hypothesis of DNA. He is who studied the structure and function of nucleic acids.

The discovery of Identification of Ribose and Deoxyribose is attributed to Phoebus Levene.

Investment and asset are really close in meaning. Investment is when you put your money in stock, bond or other financial instruments. Whereas Asset is what you own generally reffered to land, proprietorship , factory, etc.

Someone who has consumed a lot of alcohol were not capable of giving true consent.

Any two amino acids vary structure by the r-group, otherwise all amino acids are in the same structure. All amino acids have in common carboxyl group -COO , amino group -NH3+ and a hydrogen -H and a r-group which are all bonded to a central carbon.

The intention of the interviewer by asking this question is to discover the pain points for the candidate.

Here this can be explained with an example like this :

The administrative assistant might seem like someone whose job is simply keeping everything filed and organized and scheduled. But they actually are the building block of the entire office, making everyone's lives function more smoothly and with good access to information when they need it.

Sometimes I have so many things crossing my desk at a given time that I can get a bit overwhelmed. When this happens I take a deep breath and focus on prioritizing the work. Then I get a clear head again and can dive back in.