The dehydration is a very common problem seen in elderly individuals. At an elderly age, all the body functions are diminished, which lead to reduction in thirst and body's ability to obtain water. That is why, the elderly people are very susceptible to dehydration.
In order to remain healthy, a person must take 2.5- 4 litres of water per day. In males, the water is required more than females. So, for males, the adequate intake (AI) of water should be in between 3-4 litres per day.
I don't think any compounds are made of protiens but they do contain them. Enzymes are protiens that catalize reactions, the liver contain many protiens, amylase is another that is in saliva.
2c would be transcription because it is the first step in building proteins. and 3 would be translation because the information is being carried to mRNA
