Answer: c)They are more expensive than potatoes without the vaccine.
A genetic engineering is a practice which is integral part of biotechnology which involves the genetic manipulation of organisms. In this the genome of organism is manipulated by incorporating the genome of the other organism, or some part of it is deleted so as to make organism resistance against diseases.
In the given situation, edible vaccines are incorporated in the potato plants, the vaccines are the chemical formulations which includes either the bacterial genome or some of it's agents which can fight against the one already present in the body causing diseases. This entire process requires an expensive technological support as a consequences of which the quality as well as price of these potatoes will be high as compared to conventionally produced potatoes.
Answer is b). They make it easier to administer edible vaccines.
Plant derived edible vaccines dependent on the stability of plant food. Potato is not eaten raw and it needs to be cooked before eating. Cooking causes denaturation or weaken the protein present in it. Edible vaccine is more effective in plant food which eaten raw such as banana. An individual get protected from diseases by simply eating a fruit.
Why doesn't Dr. Logan feel the bed bug feeding on him? The bed bug injects an anesthetic as it feeds. Bed bugs prefer humans over other hosts. Many blood-feeding parasites carry diseases but bed bugs do not.
Explanation: Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. ... Some bacteria have a capsule outside the cell wall. Other structures are present in some prokaryotic species, but not in others.