BIO 311C SQUARECAP QUESTIONS AND ANSWERS A+ GRADED
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Course
BIO311C
Institution
BIO311C
BIO 311C SQUARECAP QUESTIONS AND ANSWERS A+ GRADED
Which of the following is NOT a property of all living organisms?
A) Cell membrane
B) DNA
C) Respiration
D) Response to stimuli
E) Nucleus with DNA
D
A scientist is testing optimal conditions to grow human skin cells in a plastic petr...
BIO 311C SQUARECAP QUESTIONS AND ANSWERS A+ GRADED
Which of the following is NOT a property of all living organisms?
A) Cell membrane
B) DNA
C) Respiration
D) Response to stimuli
E) Nucleus with DNA
D
A scientist is testing optimal conditions to grow human skin cells in a plastic
petri dish for possible grafting of burn victims. What type of experiment is this?
A) In vivo - holistic
B) In vivo - reductionist
C) In vitro - holistic
D) In vitro - reductionist
E) In situ
B
New antibiotics X, Y and Z are tested to control TB causing bacteria along with
the currently used antibiotic A and water. Which of the following is considered a
positive control?
A) Antibiotic X
B) Antibiotic Y
C) Antibiotic Z
D) Antibiotic A
E) Water
D
Which of the following molecules is the most polar one?
A) CO2
B) CH4
C) CH3OH
D) C2H6
E) O2
C
When Magnesium with two electrons and and 2 chlorines with seven electrons
each in their valence shells interact, they will form _________.
A) covalent bonds
B) ionic bonds
C) H-bonds
, D) van der Waals forces
E) hydrophobic interactions
B (Magnesium and chlorine have drastically different electronegativity)
Which bonds will break when you blow dry wet hair?
A) covalent bonds
B) ionic bonds
C) H-bonds
D) van der Waals forces
E) hydrophobic interactions
C
Which of the following is the correct ranking of the three bonds and interactions
in order from highest to lowest in terms of their bond strength between two side
chains of a protein in their tertiary structure?
I. Disulfide (-S-S-) bond between two cystines
II. Hydrophobic interactions between two leucines
III H-bonding in water
A) I, II, III
B) II, III, I
C) III, II, I
D) I, III, II
E) III, I, II
D
Soap can be used to remove both grease (non polar) and salt (polar).
What property makes soap so versatile?
it's amphipathic
You have used dish washing liquid in your dish washer instead of dish washer
detergent by mistake. When the dish washer started, it resulted in lot of foam
coming out and flooding the kitchen floor.
What is the chemical that can be found in your kitchen pantry that will break
down the bubbles and eliminate foaming?
salt
How does spreading of salt on the roads reduces ice formation?
lowers the freezing point of water
Which of the following is the most important property of water to support life?
A) H-Bonding
B) Covalent bonding
C) Excellent solvent
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