The Na+ channel structure, is made from a protein composed of three subunits: α, β, and γ. It transports salt across the membrane in a variety of tissues in the body. Which aspect this protein's structure helps its function?

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.

What is the similarities and differences between bacteria and eukaryote?

Diagram of the evolution of land plants?