BIO311C-EXAM 1 Questions With All Quality Answers.
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Course
BIO 311C
Institution
BIO 311C
CH3OH - Answer Which of the following molecules is the most polar one?
A)CO2
B) CH4
C)CH3OH
D)C2H6
E)O2
Ionic Bonds - Answer When Magnesium with two electrons and 2 chlorines with seven electrons each in their valence shells interact, they will form _________.
A) Covalent Bonds
...
BIO311C-EXAM 1 Questions With All
Quality Answers.
CH3OH - Answer Which of the following molecules is the most polar one?
A)CO2
B) CH4
C)CH3OH
D)C2H6
E)O2
Ionic Bonds - Answer When Magnesium with two electrons 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
H-Bonds - Answer 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
,I, III, II - Answer 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
Biological reactions happen mostly in aqueous surroundings, and covalent bonds are stronger than ionic
in those situations - Answer Biologists say covalent bonds are stronger than ionic bonds and chemists
say ionic bonds are stronger than the covalent bonds.
Both are correct but what makes the difference?
It's Amphipathic - Answer Soap can be used to remove both grease (non polar) and salt (polar).
What property makes soap so versatile?
Salt - Answer 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?
Reactant and Medium - Answer Which of the following is the most important property of water to
support life?
A)
H-Bonding
B)
Covalent bonding
C)
Excellent solvent
D)
Reactant and medium
E)
High surface tension
74 - Answer How many grams of fat would be found in 1 gallon (3700 ml) of 2% milk?
CH4 - Answer Which of the following compounds would have the greatest number of molecules in a
sample of 100 grams each?
Note: Atomic mass of H = 1, C = 12 and O = 16.
A)
CH4
B)
CO2
C)
CH3OH
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