This type of auto-immune disease occurs when the immune system attacks the layer of insulation that surrounds the nerves and slows nerve impulses.

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

Fallacies are unsound arguments that seem to be logically and are persuasive because they usually appeal to our emotions and prejudices and often support conclusions that we want to believe are accurate. - true or false?

Avirus consisting of a single strand of rna, which is transcribed into complementary dna, is a ) proteaseb) retrovirusc) rna replicase virusd) nonenveloped virus