What is the different between a bank and a shop?

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

What processes take place before the mature mrna exits the nucleus?

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?