What masses are shown on each of the following balances?

Please help with them!

Which technically is nasa developing that will astronauts reach mars

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons