What are the 3 parts(elements) of a DNA molecule?

DNA is routinely isolated from 4 sources. What are they? (for this answer do not list  sample types, instead what sources can yield DNA)

From the choices below, select what this volume represents in a P200 pipette: 0 2 5

When extracting RNA, what RNAs account for all of the total amount AND list the percentages.

You are extracting DNA from a bacterial culture sample and find that you have isolated mitochondrial DNA. Do you think this is to be expected? Why or why not? 

Briefly explain what is the function of mRNA during protein synthesis.

How did we check in class if Proteinase K worked correctly?

When working in the lab you cut your finger and put on a band-aid and gloves. At the end of your shift you take the band-aid off, where would you discard it?

Briefly explain what are Genes and Chromosomes and what is their relationship in the human genome.

Match the following management interventions to their correct purpose in anaphylaxis treatment. Each answer may be used once, more than once, or not at all. (5)