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Anatomy and Physiology Biochemistry Exam – VERSION B
Directions: Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case and fill in the corresponding oval on the answer sheet.
1. Lipids serve all of the following purposes in the body EXCEPT:
A) Providing insulation from heat and cold
B) Helping to form the cell membrane around our cells
C) Serving as long-term storage of energy
D) Serving as the precursors for steroid hormones like testosterone
E) Helping the body to build enzymes
2. An example of a catabolic process would be:
A) Loss of body fat during dieting
B) Food breaking down during digestion
C) Muscle mass breaking down when you stop working out
D) Increase in body fat after the end of football season
E) Loss of the uterine lining during menstruation
3. All of the following are sources of protein EXCEPT:
A) Eggs
B) Peanuts
C) Red Meat
D) Soy Beans
E) Spinach
4. Proteins do all of the following for the body EXCEPT:
A) Help form muscle
B) Make up our hair and nails
C) Allow materials to come into and out of our cells
D) Make up steroid hormones like testosterone
E) Make up protein hormones like Growth Hormone
5. Saturated fatty acids differ from unsaturated fatty acids in that:
A) Saturated fatty acids have a double bond between carbons, whereas unsaturated fatty acids do not
B) Saturated fatty acids have fewer hydrogen atoms than unsaturated fatty acids
C) Unsaturated fatty acids have a double bond between carbons, whereas saturated fatty acids do not
D) Saturated fatty acids have an amine group in them, unsaturated fatty acids do not
E) Unsaturated fatty acids have an “R” group, whereas saturated fatty acids do not
6. All of the following statements are true about carbon EXCEPT
A) A carbon atom typically has 4 valence electrons.
B) One carbon atom can form up to 4 covalent bonds.
C) Carbon forms ionic bonds with hydrogen atoms.
D) Carbon forms a wide variety of organic compounds.
E) A carbon atom can bond to other carbon atoms to form long chains.
Questions 7 through 9
Consider the following atoms that are found in molecules of the human body.
A) Na+, Cl-
B) C, H, O
C) C, H, O, P
D) C, H, O, N, S
E) C, H, O, N, P
7. Which set of atoms are characteristic of nucleic acids?
8. Which set of atoms are characteristic of carbohydrates?
9. Which set of atoms are characteristic of electrolytes?
Questions 10 and 11 refer to the following diagram of a nucleotide.
10. If the nucleotide shown belongs to an RNA molecule, the structure labeled C could be any of the following EXCEPT:
A) adenine
B) thymine
C) uracil
D) guanine
E) cytosine
11. If the nucleotide shown belongs to a DNA molecule, the structure labeled B would be
A) uracil
B) adenine
C) deoxyribose
D) phosphate
E) ribose
12. Hormones and enzymes are made up of:
A) Monosaccharides
B) Triglycerides
C) Nucleotides
D) Amino acids
E) Fatty acids
Questions 13-18 refer to the following choices:
I.Carbohydrates
II.Lipids
III.Protein
IV.Nucleic Acids
13)The macromolecule(s) that contain a carbon ring are:
A)I only
B)II only
C)III only
D)Both I and IV
E)I, II, III and IV
14)The macromolecule(s) that contain a carbon chain are:
A)I only
B)II only
C)III only
D)I, II and III
E)I, II, III and IV
15)The macromolecule(s) that contain an amine group are:
A)I only
B)II only
C)III only
D)I, II and III
E)I, II, III and IV
16)The macromolecule(s) that contain a carboxyl group are:
A)I only
B)II only
C)III only
D)II and III
E)I, II, III and IV
17)The macromolecule(s) that contain nitrogen are:
A)I only
B)II only
C)IV only
D)I, II and III
E)III and IV
18)The macromolecule(s) that contain BOTH an amine and carboxyl group are:
A)I only
B)II only
C)III only
D)I, II and III
E)I, II, III and IV
Questions 19 through 23 refer to the following biomolecules.
19. Which depicts glucose?
20. Which depicts a monomer of fats or oils?
21. Which depicts an amino acid?
22. Which is a monomer of a ribonucleic acid?
23. Which is a polymer of glucose molecules?
24. Starch is made up of:
A) Monosaccharides
B) Triglycerides
C) Nucleotides
D) Amino acids
E) Fatty acids
25. Cholesterol is characterized by:
A) Four carbon ring structures and an amine group
B) Four carbon ring structures and a carboxyl group
C) Four carbon ring structures and a ketone group
D) Four carbon ring structures and an aldehyde group
E) Four carbon ring structures and a carbon chain
26. Human blood is slightly more basic than pure water. Which of the following would best represent the pH of human blood?
A) pH 2
B) pH 6.5
C) pH 7
D) pH 7.3
E) pH 12
27. All of the following elements are found in deoxyribonucleic acid EXCEPT?
A) Carbon
B) Nitrogen
C) Oxygen
D) Phosphorus
E) Iron
28. Which of the following molecules is classified as a carbohydrate?
A) Glucose
B) Progesterone
C) Peroxidase
D) Palmitate
E) Estrogen
29. Energy is provided to the body in the form of
A) Glycerol
B) Glycogen
C) Glucose
D) Glyphosate
E) Glycerine
30. Which of the following are joined by peptide bonds during the process of protein synthesis?
A) Monosaccharides
B) Triglycerides
C) Nucleotides
D) Amino acids
E) Fatty acids
FREE RESPONSE – On the free response paper, answer the free response question. When you are done answering the free response question, staple your “Ghettotron” to the front of the free response page and turn it into the box. If you follow these directions, you will automatically earn three extra credit points on your test grade.