Micro Chapter 2 Question Preview (ID: 61840)
Micro Chapter 2.
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With this type of bond, atoms lose or gain electrons.
a) Hydrogen bonds
b) Covalent bonds
c) Carbon bonds
d) Ionic bonds
The cells keep a constant pH with the use of:
a) monosaccharides
b) buffers
c) cholesterol
d) oils
What element is organic chemistry focused around?
a) Hydrogen
b) Oxygen
c) Carbon
d) Sodium
This process uses water to break down molecules.
a) Combination
b) Condensation
c) Hydrolysis
d) None of these
What have the same molecular formula but different structural formula?
a) Isomers
b) Ionic bonds
c) Organic
d) None of these
Individual covalent bonds are stronger than individual ionic bonds.
a) True
b) False
c)
d)
Which of the following is the monomer (building blocks) of proteins?
a) Nucleic acids
b) Triglycerides
c) Sugars
d) Amino acids
How many electrons would be expected in the outermost electron shell of an atom with atomic number 12?
a) 1
b) 2
c) 8
d) 12
Some people in your study group say they don’t understand what a polar molecule is. You explain that a polar molecule:
a) as an extra electron, giving it a positive charge
b) is slightly negative on one end and slightly positive at the other end
c) has an extra electron, giving it a negative charge
d) None of these
A basic solution is expected to contain more hydrogen ions than hydroxyl ions.
a) True
b) False
c)
d)
What is a function of lipids (fats)?
a) Insulation
b) Making the genetic code
c) Structural support and enzymatic actions
d) None of these
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