BIOLOGY 1111
Extra Credit Quiz (5 Points)
Chemistry
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1) A pH of 3 would indicate that a solution would be classified as a(n) _________.
Acid
Polar
Base
Neutral
2) Organic molecules all have what element in common?
Carbon
Water
Hydrogen
Oxygen
3) Which of the following is an example of a polar compound?
Water
Fats
Wax
Oils
4) Sugars, starches and cellulose are examples of ________________.
Nucleic acids
Carbohydrates
Proteins
Fats
5) DNA, RNA, and ATP are examples of _____________.
Fats
Nucleic acids
Carbohydrates
Protein
6) Atoms consist of Protons, Neutrons and __________.
Peptides
Electrons
Ions
Isotopes
7) The number of electrons found in the outer shell of a carbon atom is ________.
Eight
Two
Four
One
8) Sodium Cloride (NaCl) exhibits a(n) ____________ type of bond. 
Covalent
Hydrogen
Ionic
Peptide
9) An organic catalyst is often referred to in Biology as a(n) __________.
Base
Water
Enzyme
Acid
10) Covalent Bonds _____________. 
Are stronger than ionic bonds
Involve a sharing of electrons between atoms
Are common in carbohydrates
All of the above

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Authored by Terry Wiseth
Copyright 2000
Northland Community & Technical College

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