Which type of mutation causes sickle cell anemia?
a.)silent
b.)missense
c.)insertion
d.)frameshift

the answer is B. missense

hope this helps!

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

answer; i believe the correct answer to the above question is ( friction)