Bisc 131 Final exam Review questions
and answers
spectrophotometer - Answer -instruments that measure how much light is absorbed by
a sample or the amount of DNA in a sample
pH - Answer -the measurement of how acidic or basic a solution is
serial dilution - Answer -Dilution of a substance several times by the same amount each
time
pollution - Answer -the introduction of any contaminant to a natural environment, which
has a negative effect on the organisms living there
miracle-gro, salt - Answer -what were the two pollutants in the environmental pollution
lab?
negative control - Answer -a group in which there should be no effect
AlgaGro - Answer -a solution of nutrients that help algae grow
solutes - Answer -substances dissolved by solvents
solution - Answer -solvents + solutes = ?
water - Answer -this is the universal solvent
hypertonic - Answer -a solution which the concentration of solutes outside of the cell is
higher than the concentration of solutes inside of the cell
isotonic - Answer -a solution in which the concentration of solutes is the same as the
concentration of solutes inside of the cell.
hypotonic - Answer -a solution which the concentration of solutes is lower than the
concentration of solutes inside of the cell.
hypertonic - Answer -what type of solution is this?
hypotonic - Answer -what type of solution is this?
and answers
spectrophotometer - Answer -instruments that measure how much light is absorbed by
a sample or the amount of DNA in a sample
pH - Answer -the measurement of how acidic or basic a solution is
serial dilution - Answer -Dilution of a substance several times by the same amount each
time
pollution - Answer -the introduction of any contaminant to a natural environment, which
has a negative effect on the organisms living there
miracle-gro, salt - Answer -what were the two pollutants in the environmental pollution
lab?
negative control - Answer -a group in which there should be no effect
AlgaGro - Answer -a solution of nutrients that help algae grow
solutes - Answer -substances dissolved by solvents
solution - Answer -solvents + solutes = ?
water - Answer -this is the universal solvent
hypertonic - Answer -a solution which the concentration of solutes outside of the cell is
higher than the concentration of solutes inside of the cell
isotonic - Answer -a solution in which the concentration of solutes is the same as the
concentration of solutes inside of the cell.
hypotonic - Answer -a solution which the concentration of solutes is lower than the
concentration of solutes inside of the cell.
hypertonic - Answer -what type of solution is this?
hypotonic - Answer -what type of solution is this?
