The two primary functions of DNA are:

A.
to provide energy for the cell and replicate.
B.
to take in oxygen and remove carbon dioxide from the cell.
C.
to direct the activities of the cell and copy itself for new cells.
D.
to digest proteins and carry out photosynthesis.

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.