The autoclave uses pressurized steam at high temperature for sterilization
a. true
b. false
Answer: a. true
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Suppose that a mistake made during DNA replication in a cell is not corrected, but instead the
mutation remains in the single strand where it occurred. Then suppose that after the cell divides both daughter cells survive, and those cells then go on to have DNA replication and ultimately cell division. There are now four cells where there once was one cell. Assuming that the mistake was never corrected and that no new uncorrected mistakes occurred, how many of the four cells will have the mutation in their DNA?
a. none b. one c. two d. three e. four
The photic zone is part of what broader zone?
a. Epibenthic zone b. Vertical zone c. Aphotic zone d. Epipelagic zone
Identify the labeled structures on the human skeleton in the picture. 
A: ________B: ________C: ________D: ________E: ________F: ________G: ________H: ________I: ________J: ________K: ________L: ________M: ________N: ________O: ________P: ________
What will be an ideal response?
Water is a liquid at room temperature. This is due to ________ .
a. hydrogen bonding within the water molecule. b. hydrogen bonding between water molecules. c. covalent bonding in the water molecule. d. ionic bonding of the atoms in the water molecule.