Anatomy and Physiology - Chapter 2 Homework

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8 Terms

1
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water is unable to control electrolyte or pH balance of the body

All of the following are properties of water except

  1. water has a high heat of vaporization allowing heat to be lost slowly during sweating

  2. it is considered the universal solvent

  3. it assists metabolism, cushioning, and lubrication

  4. water is unable to control electrolyte or pH balance of the body

2
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valence shell

The outermost energy shell of an atom is known as its __________.

3
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nucleic acid

Adenosine triphosphate is an example of which type of organic macromolecule?

  1. protein

  2. nucleic acid

  3. lipid

  4. carbohydrate

4
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4

Ninety-six percent of body weight is made up of how many elements?

5
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increase; lowering

Enzymes are proteins that __________the rate of a chemical reaction by __________ the activation energy.

  1. increase; raising

  2. increase; lowering

  3. decrease; lowering

  4. decrease; raising

6
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a solution

A homogenous mixture of gases, liquids, or solids is referred to as a __________.

7
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water

Which of the following is an inorganic chemical?

  1. phospholipid

  2. DNA

  3. glucose

  4. water

8
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4

How many valence electrons are in a carbon atom?