B is the answer hopefully is accurate
The right answer is C) vector
In molecular biology and genetic engineering, vectors are DNA molecules that allow the propagation of sequences of interest. These are chimeric DNA molecules such as plasmids or artificial bacterial chromosomes, containing an origin of replication and one or more genetic markers. The origin of replication allows the maintenance of the vector in the target cell during generations.
Anaphylaxis,<span>serum sickness and toxicity from food are the three problems.
Anaphylaxis refers to a severe and very serious allergic reaction which should be treated right away otherwise it may caus death, Serum sickness is also similar to the allergy and in type II hypersensitivity and clinically we can say that the reaction due to the medicine that does not contain protein. Toxicity from food refers to the food poisoning that is caused by contaminated food.</span>
The purine base adenine
The pentose sugar ribose
<span>
Three phosphates </span>
Answer:
Hypersensitive response
Explanation:
<em>The hypersensitive response is a defense mechanism developed by certain plants in response to the invasion of pathogens. </em>
<em>This mechanism features include the rapid death of cells and tissues surrounding the infection site so as to limit the invasion of the pathogens as pathogens require living cells in order to continue spreading.</em>
