"The gel used in this activity was prepared with 2.0% agarose. Many DNA separations are performed on agarose gels varying from 0.7% to 1.2% agarose. What does this tell you about the size of DNA molecules in comparison to the dyes that you used in this lab

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?

What is the main fuel source for the work of the cell

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere