A scientist uses materials in her lab to cut a DNA sample into fragments.

What process is the scientist using?

A. Gel electrophoresis

B. Use of restriction enzymes

C. Polymerase chain reaction (PCR)

D. Karyotyping

While performing chores, Maria noticed that she would get shocked each time she touched her washing machine. Which of the following statements is not a reasonable explanation for what could have been happening?

Perform the following calculations then use the Molarity PhET simulation to check answers. What is the molarity of a 0.400 L solution containing 0.700 moles of Cobalt (II) Chloride? How many moles of Potassium Permanganate are in 350.0 mL of 0.

Find the rms speed of the molecules of a sample of n2 (diatomic nitrogen) gas at a temperature of 32.5°c.

You have a solution containing 135.2 g of dissolved kbr in 2.3 l of water. what volume of this solution, in ml, would you use to make 1.5 l of a 0.10m kbr solution

All systems have. A. Output and feedback. B. Process and function. C. input, process, and sensors.

What part of an atom bonds with other atoms

For the haber process, n2 + 3h2 → 2nh3, what volume of nitrogen is consumed at stp if you collect 44.8 l of ammonia in excess hydrogen (n = 14 amu, h = 1 amu) ?

Which of these substances is the least acidic? solution A, pOH = 1.5 solution B, pOH = 7.0 solution C, pOH = 13.5Which of these substances is the least acidic? solution A, pOH = 1.5 solution B, pOH = 7.0 solution C, pOH = 13.5

How many moles (precise to the nearest 0.01 mol) of nitric acid are produced from 300.00 mol of nitrogen dioxide?

Write a balanced equation for the complete combustion of pentane, c5h12. do not enter phase symbols. enter the alkane formula as c5h12.