Family

Honors A and P Chemistry Exam

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____ 1. A chemical bond where electrons are transferred from one atom to another is a(n):

a.|ionic bond|c.|hydrogen bond|

b.|covalent bond|d.|peptide bond|

____ 2. If a triglyceride were digested it would break down into glycerol and _____.

a.|fatty acids|c.|a saccharide|

b.|nitrogen|d.|a lipid|

____ 3.

What is the correct label for "A"?

a.|ATP|d.|energy of activation|

b.|enzyme energy|e.|substrate energy|

c.|exergonic energy|

____ 4. Steroids are lipids that are made from

a.|glucose|c.|amino acids|

b.|cholesterol|d.|nucleic acids|

____ 5. Unsaturated fats are comprised of lipids that contain ____.

a.|nitrogen|c.|hydrogen bonds between carbon atoms|

b.|double bonds between carbon atoms|d.|peptide bonds between carbon atoms|

____ 6. All of the synthesis and decomposition reactions that take place in the body are collectively referred to as

a.|anabolism.|d.|electrolytes.|

b.|catabolism.|e.|metabolism.|

c.|dissociation.|

____ 7. If the number of hydrogen ions in a solution is increased, the

a.|solution becomes more acidic.|d.|pH of the solution remains unchanged.|

b.|solution becomes more alkaline (basic).|e.|pH of the solution will be increased. |

c.|solution is a buffer. |

____ 8. Which of the following is NOT a base of deoxyribonucleic acid?

a.|adenine|d.|uracil|

b.|guanine|e.|thymine |

c.|cytosine|

____ 9. Water resists temperature change because _____.

a.|large bodies of water cannot store heat |c.|heating water absorbs energy by disrupting the hydrogen bonds before evaporation can occur|

b.|evaporation of water heats the surface it leaves |d.|hydrogen bonding increases water's ability to vaporize|

____ 10. All of the following are true about the importance of water, an inorganic compound, in the body EXCEPT:

a.|Water absorbs and releases large amounts of heat...