What are some of the possible effects globally if the Gulf Stream were to shut down?

Which of the following is true of photosynthesis? a)carbon dioxide is a reactant b)water is a product c)most reactions within this process are exothermic d)oxygen is a reactant

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

Based on the data in the graphs do you think pepsin and trypsin are found in the same part of the body? explain your answer.