John suffers from allergic reactions like skin lesions and edema. He visits a doctor, and after a number of tests, it is found that John is deficient in the amino acid methionine. In this scenario, what is most likely the reason for the amino acid deficiency?

Darren was recently ticketed for speeding over 110 mph on the freeway. when the police officer stopped darren and asked him why he was going so fast, he replied that he was "king of the world." the month before this, darren felt sad and listless and had trouble getting up the energy to go to school. he probably suffers from:

True or false. mucous membranes secrete mucus that traps pathogens.

Answer these and you will be marked this is for 20 points