A student ran several test on compound A and got the following results: 1)Benedict solution was blue after mixture and heat 2) lodine Solution was brown after mixture 3) Biuret Solution was violet after mixture 4) brown paper bag remained dull The student did further research and discovered that compound A can be found in large quantities in meats and muscles. Question: Which macromolecules are most likely present in compound A? Claim: Evidence : Reasoning :

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

What happens during the experiment stage of the scientific method

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?