Doctor Kryskowski: The autosomal dominant mode of inheritance and symptoms found in the patients from this family indicate that they suffer
from Marfan syndrome. It is an inherited disorder caused by mutations
in the FBN1 gene. What is the most feasible (easiest, cheapest, most
reliable) way to investigate if this is the correct diagnosis?

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.