Answer:
The main role of DNA in the cell is it's a Long term storage of information
Explanation:
The main role is to read the genetic code, cells make a copy of a stretch of DNA in the nucleic acid RNA
Active transport requires energy when moving molecules against a concentration agent. It requires for specific membrane transport proteins. Only a certain type of protein can move a certain type of substance.
The three main types of Active Transport are:
1) Sodium-Potassium Pump
2) Endocytosis
<span>3) Exocytosis </span>
It begins with cells, tissues, organs, organ system to organism. There are 11 organ systems that work collectively for an organism to function. Each organ is responsible for a different function and has its own structure. The organism system that consist of the body's outer covering is the integumentary system. It consist of skin, hair, nails, and endocrine glands; they are the protectors of the body. The environment such as UV rays are harmful and the skin, hair, nails, etc protect the body as needed.