You ran an experiment in lab using four different restriction enzymes, each with a different sized recognition sequence. you used a 4-cutter, 6-cutter, 8-cutter, and 10-cutter. your resulting gel looked like the one above. which well contains the 6-cutter?

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture