What is the main function of messenger RNA? a. it adds amino acids to a growing protein chain
b. it carries the information neccesary for protein synthesis
c. it carries the information neccesary for dna replication
d. it carries information that causes deletions and other mutations

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

Calculate the molarity of each of the following solutions. part a) 0.12 mol of lino3 in 5.5 l of solution part b) 60.7 g c2h6o in 2.48 l of solution part c) 14.2 mg ki in 100 ml of solution

What was bohr’s contribution to the planetary model