Answer:
The correct answer would be a. Fragments of DNA that have desired genes are isolated to form recombination DNA for use in a host. Genetic engineering refers to the direct manipulation or modification of the desired gene in a cell in order to produce novel or improved organism.
Explanation:
Not sure about disinfectant and we can't count on tires i guess so the answers are:
medicine
fuel
cloths
paper
lumber
Answer:
Carrier proteins move materials from one side of the cell membrane to the other. This is useful for both active transport, meaning you have to transport against the concentration gradient, and facilitated diffusion, a form of passive transport.
A large naturally occurring community of floral and fauna occupying a major habitat, e.g. forest or tundra