Tryptophan is the precursor to the synthesis of brain serotonin. The pH of the brain is buffered at 7.2. What substance(s) would you use to make a buffer with a pH close to that of the brain

Imagine that a mouse has white fur because of a mutation in its dna. which of the following conclusions can be drawn

Apart of an ecosystem that can restrict the growth of a population is referred to as

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.