BIO 1615 LAB FINAL (UVU) STUDY GUIDE | GENERAL BIOLOGY LAB PRACTICE QUESTIONS AND
ANSWERS | COMPLETE FINAL REVIEW
Grease test - correct answer ✔✔Detects lipids.
Barfoed's Test - correct answer ✔✔Detects carbohydrates by detecting presence of reducing
sugars. Red precipitate.
Iodine test - correct answer ✔✔Detects starch. Iodine is dissolved in a solution of potassium
iodine, which reacts with starch to create a deep blue-black color.
Bradford test - correct answer ✔✔Detects proteins. Turns blue.
Difference between prokaryotic and eukaryotic cells - correct answer ✔✔
Parts of microscope and stereoscope - correct answer ✔✔Eyepiece, Body tube, Revolving
nosepiece, Arm, Objective, Stage, Stage Clips, Diaphragm, Fine Adjustment Knob, Light Source,
Base.
Hypotonic, hypertonic, isotonic - correct answer ✔✔
pipette - correct answer ✔✔A glass or transparent plastic tube used to accurately measure
small amounts of liquid
micropipettor - correct answer ✔✔pipet used to deliver very small amounts of liquid up to 20
micro L.
Graduated cylinder - correct answer ✔✔instrument used to measure volume of a liquid. 10 mL
to 1 L
, Beaker - correct answer ✔✔An open cylindrical container with a pouring lip; used for mixing
larger amounts of substances. 10 mL to 2 L.
Erlenmeyer flask - correct answer ✔✔Erlenmeyer flasks are glass and are used to hold volumes
of liquids which may be heated and used in titrations.
Percent concentration - correct answer ✔✔amount of solute/amount of solution * 100
Weight percent (Weight/Volume) - correct answer ✔✔mass of solute (grams)/volume of
solution (mL) * 100
Volume percent (v/v) - correct answer ✔✔volume of solute (mL)/volume of solution (mL) * 100
Biological macromolecules and monomers - correct answer ✔✔Macromolecules: Carbs, lipids,
proteins
Monomers: chemical bonds between carbon, hydrogen, oxygen, nitrogen and other elements;
form the basic building blocks. Groups of monomers = polymers.
Enzymes: functions, activity, rates, pH, how to test for - correct answer ✔✔catalyze reactions in
organisms without the enzyme being destroyed or altered by the reaction.
Enzyme kinetics: rate at which enzyme-catalyzed reactions occur. Affected by temp, pJ,
substrate concentration, enzyme concentration, inhibitors, activators.
Osmosis and diffusion through membrane - correct answer ✔✔In osmosis, water molecules
move by diffusion from an area where they are highly concentrated through the cell membrane
to an area where they are less concentrated
ANSWERS | COMPLETE FINAL REVIEW
Grease test - correct answer ✔✔Detects lipids.
Barfoed's Test - correct answer ✔✔Detects carbohydrates by detecting presence of reducing
sugars. Red precipitate.
Iodine test - correct answer ✔✔Detects starch. Iodine is dissolved in a solution of potassium
iodine, which reacts with starch to create a deep blue-black color.
Bradford test - correct answer ✔✔Detects proteins. Turns blue.
Difference between prokaryotic and eukaryotic cells - correct answer ✔✔
Parts of microscope and stereoscope - correct answer ✔✔Eyepiece, Body tube, Revolving
nosepiece, Arm, Objective, Stage, Stage Clips, Diaphragm, Fine Adjustment Knob, Light Source,
Base.
Hypotonic, hypertonic, isotonic - correct answer ✔✔
pipette - correct answer ✔✔A glass or transparent plastic tube used to accurately measure
small amounts of liquid
micropipettor - correct answer ✔✔pipet used to deliver very small amounts of liquid up to 20
micro L.
Graduated cylinder - correct answer ✔✔instrument used to measure volume of a liquid. 10 mL
to 1 L
, Beaker - correct answer ✔✔An open cylindrical container with a pouring lip; used for mixing
larger amounts of substances. 10 mL to 2 L.
Erlenmeyer flask - correct answer ✔✔Erlenmeyer flasks are glass and are used to hold volumes
of liquids which may be heated and used in titrations.
Percent concentration - correct answer ✔✔amount of solute/amount of solution * 100
Weight percent (Weight/Volume) - correct answer ✔✔mass of solute (grams)/volume of
solution (mL) * 100
Volume percent (v/v) - correct answer ✔✔volume of solute (mL)/volume of solution (mL) * 100
Biological macromolecules and monomers - correct answer ✔✔Macromolecules: Carbs, lipids,
proteins
Monomers: chemical bonds between carbon, hydrogen, oxygen, nitrogen and other elements;
form the basic building blocks. Groups of monomers = polymers.
Enzymes: functions, activity, rates, pH, how to test for - correct answer ✔✔catalyze reactions in
organisms without the enzyme being destroyed or altered by the reaction.
Enzyme kinetics: rate at which enzyme-catalyzed reactions occur. Affected by temp, pJ,
substrate concentration, enzyme concentration, inhibitors, activators.
Osmosis and diffusion through membrane - correct answer ✔✔In osmosis, water molecules
move by diffusion from an area where they are highly concentrated through the cell membrane
to an area where they are less concentrated
