2) which of the following is  not a possible outcome  of recombinant deoxyribonucleic acid (rdna) technology? a) increasing the production of hardier crops b) correcting a human disease c) estimating the age of a rock sample d) mass production of human hormones by bacteria 3) is a nucleic acid base found in ribonucleic acid (rna) but not in deoxyribonucleic acid (dna). a) cytosine (c) b) guanine (g) c) thymine (t) d) uracil (u) 4) which of the following transport mechanisms requires atp to move materials across a plasma membrane? a) osmosis b) facilitated diffusion c) simple diffusion d) active transport

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.