What was one of the first people to suggest that matter is made up of particles that cannot be divided?
a: democritus
b: thomson
c: aristotle
d: rutherford

Which of the following is the scientific term for an organism that makes its food from inorganic materials? a.autotroph b.heterotroph c.embryotroph

Assume that you are interested in separating short (200-400 bp) dna molecules from a pool of longer molecules in the 10,000-20,000 nucleotide range. you have two recipes for making your polyacrylamide gels: one recipe uses 1.5 percent agarose and would be considered a “hard gel,” while the other uses 0.5 percent agarose and would be considered a loose gel. which gel should you use to separate the short (200-400 bp) dna molecules from a pool of longer molecules in the 10,000-20,000 nucleotide range?

Record your answer from lab exercise #1, step 1, question 1.what time in hours: minutes: seconds gmt did the p waves arrive?