Which best describes genetic engineering?
a. fragments of dna that have desired genes are isolated to form recombinant dna for use in a host.
b. all the dna from a desired organism is isolated to form recombinant dna for use in a host.
c. different sections of dna from a desired organism are inserted into a host so that beneficial traits will be expressed.
d. one strand of dna is isolated and inserted into a host so recombinant dna can be formed.

a. Fragments of DNA that have desired genes are isolated to form recombinant DNA for use in a host.

Explanation:

Genetic engineering is the process of adding new DNA to an organism. Fragments of DNA that have desired genes are cut from the source organism with the help of restriction enzymes to form recombinant DNA. This can be used to enhance or modify the characteristics of an individual organism.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

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