The well of your agarose gel can fit 30 ��l of sample. you would like to load 50 ng of a dna sample that has a concentration of 10 ng/��l. you have been provided with sterile water and 6 x concentrated gel loading buffer. how much of each component (dna, water and 6 x glb) should you mix to end up with 50 ng of dna in a total sample volume of 30 ��l? hint: identify your c1v1, c2v2.

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

What tool do geneticists use to predict the outcome of genetic crosses? a. karyotype b. punnett square c. centrifuge

Astudent measured the amount of carbon dioxide (co2) produced by yeast during an experiment. use the data in the table at the right to answer the questions below. which variable is the dependent variable?