Which of the following does most of the functions and forms most of the structures of our body?
a) Proteins
b) Lipids
c) Carbohydrates
d) Nucleotide

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.

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

In which of the following relationships is one organism always benefited while the other organism is always harmed