Exam 1

1

The compounds above is a(n)

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Phosphorus (P) has an atomic number of 15. How many unpaired electrons are in its outer shell?

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Which of the following is a polysaccharide found in plants used for storing energy?

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A covalent bond involves:

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Unsaturated fatty acids are more likely to

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Which of the following functional groups tend to allow an organic compound to dissolve in water?

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The number of protons in the nucleus of an atom is referred to as

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Water is a polar molecule because

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Methyl groups (CH3-R) are generally

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The breakdown of glycogen into glucose occurs by which of the following

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Which of the following are functions of lipids?

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A solution with a pH of 8 is more ________ than a solution with a pH of 5.

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A pH of 4 has a _____-fold greater hydrogen ion concentration than a pH of 6.

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Using the periodic table of elements, which element is most likely to have properties similar to carbon?

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In a polar covalent bond

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The energy of light can be temporarily stored in which component of an atom?

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The two nucleic acid strands of DNA are held together by

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An acid added to water will

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Which bond contributes to the tertiary structure of a protein?

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Water is pulled up into a tree due to

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Which type of bond maintains the secondary structure of a protein

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Amino acids within a peptide are covalently linked by peptide bonds between

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Insulin protein is soluble in water. A good explanation for this property is

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Hydrogen bonds form between

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Of the molecules listed below, which contains the most phosphorus?

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Although cellulose is a polymer of glucose molecules, humans cannot use it as a source of energy. Why?

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All inert gases, such as neon (atomic number = 10) have which of the following in common?

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The ionic bond of NaCl arises from

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The properties of an atom are determined by its

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When NaCl dissolves in water

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Which of the functional groups above is a carboxyl?

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Two compounds that are structural isomers

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The tertiary structure of a protein is maintained by

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Why does ice float?

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Which of the following molecules is a major component of biological membranes?

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Phospholipids contain

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If a sample of DNA is composed of 20% guanine, what is the percentage of thymine?

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The side-chain of the amino acid shown above is

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Water acts as a solvent because

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What kind of reaction is required to synthesize a polymer?

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A cation

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A mutation that affects the primary structure of a protein, in turn, may affect

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Which of the following molecules is a carbohydrate?

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Which of the following is not true regarding isomers?

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Carbon Dioxide (CO2) consists of a carbon atom with double covalent bonds to each oxygen. How many electron pairs are shared between a carbon and oxygen atom?

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Which atoms, when covalently bonded to hydrogen, are generally electronegative?

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An atom with an atomic number of 12 has how many electrons in its most outer shell?

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Glycogen in animals and amylose in plants

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Of the atoms in the first two rows of the periodic table, carbon atoms are unique because they

Chapters 2 and 3

Exam 1

The compounds above is a(n)

Phosphorus (P) has an atomic number of 15. How many unpaired electrons are in its outer shell?

Which of the following is a polysaccharide found in plants used for storing energy?

A covalent bond involves:

Unsaturated fatty acids are more likely to

Which of the following functional groups tend to allow an organic compound to dissolve in water?

The number of protons in the nucleus of an atom is referred to as

Water is a polar molecule because

Methyl groups (CH3-R) are generally

The breakdown of glycogen into glucose occurs by which of the following

Which of the following are functions of lipids?

A solution with a pH of 8 is more ________ than a solution with a pH of 5.

A pH of 4 has a _____-fold greater hydrogen ion concentration than a pH of 6.

Using the periodic table of elements, which element is most likely to have properties similar to carbon?

In a polar covalent bond

The energy of light can be temporarily stored in which component of an atom?

The two nucleic acid strands of DNA are held together by

An acid added to water will

Which bond contributes to the tertiary structure of a protein?