Convert 0.01 x 102 to standard notation. [a] Convert 1,234 x 10-3 to standard notation. [b]

Prepare 100 mL of 2% m/V HCl solution from a 20% m/V HCl stock solution. % m/V = (grams solute/mL of solution) x100   What volume of 20% m/v HCl is needed? [a] What volume of distilled water is used? [b]

Which tool provides centralized log analysis?

DNA fragments migrate through the gel towards the (positive or negative) electrode. [a] Choose your answer from the italicized words in the parenthesis.   The DNA standard that contains DNA fragments of known sizes (in base pairs, bp) is called a [b].

Name the PCR step that fits the description.   Step 1 – Double-stranded parent DNA is heated to 95oC to separate the two strands and form single-stranded DNA templates. Step 1 is called [a].   Step 2 – Single-stranded DNA template strands are cooled to 55oC. Primers attach to DNA and marks the start for Taq polymerase. Step 2 is called [b].

Use for #15 & #16:  A travel snack bag has 4 pieces of gum, 8 pieces of chocolate, and 10 oreos.   What is the probability of choosing a Rice Krispie Treat?  

Use for #17 & #18: Mrs. Baxter’s 2nd grade class wrote where they would like to go on vacation.  They wrote the following:                                                                   Girls             Boys                                          Disney World                     3                  8                       The mountains                   7                  6                        The beach                          4                  2            What is the probability that a child is a girl given that the child wants to go the beach?  

At Pirate’s Cove mini golf, a box contains red, orange, black, green, and blue golf balls.  Without looking, Martha reaches in the box.  How many golf balls must Martha take from the box to be sure that at least golf balls are the same color (in case she loses one in the water)?

Pick answer A

ESSP506 Final_2026.docx