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Chemistry is not important in anatomy and physiology.

A) True
B) False

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Two or more elements joined together is a compound or __________________.

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Proteins have peptide bonds.

A) True
B) False

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Covalent bonds are polar.

A) True
B) False

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All the chemical reactions in a cell are collectively referred to as _________________.

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The _____________ scale is used to measure the strength of acids and bases.

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The building blocks of proteins are ________.


A) Nucleic acids
B) Amino acids
C) Oleic acids
D) Lewis acids

E) A) and D)
F) B) and D)

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A lack of the ability of the body to carry oxygen may be due to a deficiency in ________:


A) iron
B) copper
C) zinc
D) gold

E) A) and B)
F) B) and D)

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A molecule with the molecular formula CH2O is a(n) ________________.

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Enzymes can only take particular substrates through particular reactions, because enzymes are ___________________.

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Which of the following is a characteristic of an covalent bond?


A) Electrons are shared
B) Electrons are donated
C) The molecule is always polar
D) Protons are involved in the bond

E) None of the above
F) All of the above

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During this series of reactions, your cells use glucose to make energy ________.


A) Metabolism
B) Enzyme catalyzed
C) Cellular respiration
D) Blood clotting

E) A) and B)
F) A) and C)

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Explain the molecular differences between carbohydrates, lipids and proteins.

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Carbohydrates contain one oxygen and two...

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____________________ molecules may be used for energy storage, movement and protection against infection.

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This type of lipid molecule is important in the structure and function of cell membranes ________.


A) Wax
B) Phospholipid
C) Triglyceride
D) Estrogen

E) All of the above
F) A) and B)

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A dietary source for iodine is ________:


A) celery
B) sea food
C) beef
D) pork

E) B) and C)
F) A) and B)

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The molecule paraffin has the formula C20H44.What does that tell you about the molecule?


A) It is a protein
B) It is hydrophobic
C) It is a nucleic acid
D) It is polar

E) A) and C)
F) A) and B)

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What do anabolic steroids do when taken as medication?


A) Destroy tissue
B) Fight infection
C) Build up tissue
D) Increase fertility

E) A) and B)
F) A) and C)

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Dehydration synthesis can happen easily at room temperature.

A) True
B) False

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____________________ are lipid molecules arranged in rings.

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