Answer to Question 1
Answer: Encephalitis is an infection that invades the entire brain. A common cause of encephalitis is a virus transmitted by mosquitos, which in turn receive it from horses, birds, or rodents.
Answer to Question 2
Answer: Prions are protein infectious agents. Prions are three-dimensional proteins that when misfolded can accumulate in a neuron leading to toxicity and death of the cell. Prions cannot be destroyed with heat, and can transmitted to others (transplantation of infected prion tissue).
Common arachnids.
Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an
Bay (left) and chestnut (sometimes called "sorrel") are two of the most common coat colors
Common Signs and Symptoms of Respiratory Diseases
Common Prefixes Used to Name Tumors
How to common factor an expression