Answer:
D. working with cells, working with proteins, and working with genes
Explanation:
Biotechnology is referred to as the application of genetic principles on living organisms in order to make useful products. Biotechnologist aims at studying the genetic composition of certain cells and manipulating it to make useful products.
According to this question, working with cells, working with proteins, and working with genes are included as tools of biotechnology when using living cells and their components in different ways.
Answer:
The answer is the first one
A virus can be inside a body without showing up
Estivation is when animals slow their activity for the hot, dry summer months. During a period of estivation, many reptiles go underground where it's cooler. Estivation is very similar to hibernation .
