Answer:Because DNA is a complex, long-chained molecule that contains the genetic blueprint for building and maintaining all living organisms. Found in nearly all cells, DNA carries the instructions needed to create proteins, specific molecules essential to the development and functioning of the body.
Explanation:
A. Physical needs
In terms of a work environment, physical needs are pay, employment contract, uniform, superannuation etc. And then individuals will become motivated to ensure that there safety needs are met next.
Basal sleep need is the amount of sleep your body needs on a regular basis
Signal the reproductive organ to make a child basically.