You are a dog loving scientist who wants to insert into your dog a gene that encodes a protein that protects dogs from heartworms. a dog's cells are not competent, so they cannot take up the gene from the environment, but you know the heartworm resistant gene sequence, have a plasmid, a competent bacterium, and a related (though incompetent) f+ bacterium that lives as an intracellular parasite in dogs. describe a possible scenario by which you could use natural processes to genetically alter your dog to be heartworm resistant.

Nitrofurantoin used during the fifth week of pregnancy places the neonate at risk for which condition?

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.