Bio 200 Prelab 1 Exam Questions and
Answers
What type(s) of non-covalent interaction(s) stabilize the tertiary structure of proteins?
Pick all that apply. - ANSWER-Hydrogen bonds
Ionic bonds
Hydrophobic interactions
A tricky question with no single right answer: In maintaining the functional shape of
an enzyme, are the non-covalent interactions or covalent bonds stronger? -
ANSWER-Covalent interactions are stronger, because each individual bond is a
much stronger bond.
What is the maximum volume that this micropipette can dispense? (P200) -
ANSWER-200 mcL
What is the range of volumes that can be dispensed using this micropipette?
(P1000) - ANSWER-100 mcL - 1,000 mcL
You need to measure 0.95 mL, which of the following micropipette would you use? -
ANSWER-P-1000
You are using a P-200 micropipette and the view window looks like this: (102) -
ANSWER-102 mcL
You are using a P-20 micropipette and the view window looks like this: (270) -
ANSWER-27 mcL
You are using a P-20 micropipette and the view window looks like this: (270)
What is the problem with this? - ANSWER-P-20's can only dispense up to 20 mcL.
This could break the micropipette!
What is the volume in mcl if the micropipette used if the micropipette window has this
reading: (089) - ANSWER-P-1000: 890 mcL
P-200: 89 mcL
P-20: 8.9 mcL
What should you do if you get Sodium Carbonate (Na2CO3) in your eye? Select all
correct answers. - ANSWER-Notify your TA
Rinse your eyes in the eye wash station
Answers
What type(s) of non-covalent interaction(s) stabilize the tertiary structure of proteins?
Pick all that apply. - ANSWER-Hydrogen bonds
Ionic bonds
Hydrophobic interactions
A tricky question with no single right answer: In maintaining the functional shape of
an enzyme, are the non-covalent interactions or covalent bonds stronger? -
ANSWER-Covalent interactions are stronger, because each individual bond is a
much stronger bond.
What is the maximum volume that this micropipette can dispense? (P200) -
ANSWER-200 mcL
What is the range of volumes that can be dispensed using this micropipette?
(P1000) - ANSWER-100 mcL - 1,000 mcL
You need to measure 0.95 mL, which of the following micropipette would you use? -
ANSWER-P-1000
You are using a P-200 micropipette and the view window looks like this: (102) -
ANSWER-102 mcL
You are using a P-20 micropipette and the view window looks like this: (270) -
ANSWER-27 mcL
You are using a P-20 micropipette and the view window looks like this: (270)
What is the problem with this? - ANSWER-P-20's can only dispense up to 20 mcL.
This could break the micropipette!
What is the volume in mcl if the micropipette used if the micropipette window has this
reading: (089) - ANSWER-P-1000: 890 mcL
P-200: 89 mcL
P-20: 8.9 mcL
What should you do if you get Sodium Carbonate (Na2CO3) in your eye? Select all
correct answers. - ANSWER-Notify your TA
Rinse your eyes in the eye wash station
