A muscle moving a load goes through two phases of contraction. What is the first phase that occurs prior to moving the load, and what happens inside the muscle during this phase?

Rank the three variables in terms of how strongly they affect the "species" composition of the bacterial communities. place the variable with the weakest effect on the left and the variable with the strongest effect on the right.

Explain why phospholipid molecules form a bilayer. (3 marks)

What characteristics does a earthquake have