Can someone me with these biology questions? 1) which of the following is true about vectors ? a. they can be dna delivery devices. b. they can be an efficient way to get genes into cells. c. there is no perfect vector to treat all disorders. d. all of the above.2) which of the following is not an advantage of a viral vector? a. they can be modified so that they can't replicate and destroy cells. b. some target specific types of cells. c. they can carry a limited amount of genetic material. therefore, some genes may be too big to fit into some viruses. d. they can be modified so that they can't replicate and destroy cells.3) which of the following non-viral vectors is a circular dna molecule that bacteria use to transfer genes between each other? a. necleosomeb. virosomec. plasmidd. liposome4) which genetic disorder is not treated with bone marrow transplants. a. sickle cell diseaseb. scidc. hemophiliab. ada deficiency5) which organism is most dangerous to froopods with slushophiliaa. viral vectorsb. oof-a-loofsc. cold viruses and bacteriad. razor squidsin booleys with hyperthumblism, what is their immune system unable to portect them against ? a. toxic pollenb. virusesc. viral vectorsd. bacteria