Chemistry of Life Practice Test - Weebly
This is intended to give you PRACTICE working with the material you will be tested on.
ID: A
Chemistry of Life Practice Test
Multiple Choice Identify the choice that best completes the statement or answers the question.
1. Which of the following is NOT a common element found in organic molecules (macromolecules)?
A) C B) H C) O D) N E) Na
2. Which of the following is NOT a monomer?
A) a monosaccharide B) an amino acid C) a nucleotide D) a protein
Your lab was presented with 3 samples of food to evaluate for nutritional data. The results are given in the table below. Use this data to answer questions
3. Which sample(s) contain lipid?
A) Sample A and Sample B B) Sample B only C) Sample A and Sample C D) none of the samples contain lipids
1
Study this material.
ID: A
The following questions are based on the 15 molecules illustrated below. Each molecule may be used once, more than once, or not at all.
4. Which of the following molecules are structural isomers?
A) 1 and 4 B) 5 and 14 C) 6 and 12 D) 12 and 13 E) 14 and 15
5. Which of the following molecules is (are) a polysaccharide?
A) 1 and 4 B) 6 C) 12 D) 14 E) all of the above
6. Which of the following molecules is a saturated fatty acid?
A) 1 B) 5 C) 6 D) 8 E) 9
7. Which of the following molecules act as building blocks (monomers) of polypeptides?
A) 1, and 6 B) 2, and 8 C) 7, and 13
2
Study this material.
ID: A
8. Which of the following molecules consists of a hydrophilic "head" region and a hydrophobic "tail" region (a
phospholipid)? A) 2 B) 5 C) 7 D) 9
9. Polar molecules such as water have
A) no negative or positive poles. B) both negative and positive poles. C) only a negative pole. D) only a positive pole.
10. Lipids are not soluble in water because they are
A) hydrophobic and polar B) hydrophilic and polar C) hydrophobic and non-polar D) hydrophilic and non-polar
11. Which type of nutrient is NOT a source of energy?
A) proteins B) carbohydrates C) water D) fats
12. A good source of complex carbohydrates is
A) fruit. B) honey. C) beans. D) eggs.
Completion Complete each statement.
13. The name of an enzyme usually ends in ____________________.
14. The formation of polymers from monomers occurs as a result of ____________________ reactions, and the
breakdown of polymers into monomers occurs as a result of ____________________ reactions.
Match the monomers with their polymers A) Carbohydrate B) Lipid
15. Monosaccharide 16. Nucleotide
17. Fatty Acid
18. Amino Acid
Use the options below. A) Carbohydrates B) Nucleic Acids
19. Amino Acids
20. Sugar
21. Starch
C) Protein D) Nucleic Acid
C) Proteins D) Lipids
3
Study this material.
22. Enzyme 23. Phospholipid 24. Steroid 25. Nucleotide 26. DNA 27. Glucose 28. A, T, G, C 29. RNA 30. Fructose 31. Monosaccharide 32. Polysaccharide 33. Fatty Acid 34. Triglycerides 35. Saturated 36. Fat 37. Dehydration Synthesis 38. Amylase 39. Unsaturated 40. Hydrolysis 41. Oil 42. 4 calories per gram 43. 9 calories per gram 44. Genetic Information
4
ID: A
Study this material. Problem
45.
ID: A
Refer to the illustration above. The graph depicts the relative energy levels of the products and reactants for the following chemical reaction: A + B ?? C + D. Write your answers to the following in the spaces below. a. Which substances, A, B, C, and/or D, are present at point 1 on the graph? b. Which substances, A, B, C, and/or D, are present at point 3 on the graph? c. Why is point 2 at a higher energy level than point 1? d. Draw a dashed line on the graph indicating how the energy level of this reaction over time would be different
if the enzyme that catalyzes the reaction were not present.
5
Chemistry of Life Practice Test Answer Section
MULTIPLE CHOICE
1. ANS: E
PTS: 1
DIF: 1
OBJ: 3-1.1
STA: B2.2a
2. ANS: D
PTS: 1
DIF: L2
REF: p. 45
OBJ: 2.3.1
NAT: B.2 | C.1.c | C.2.a
STA: III.2.HS.3
KEY: analysis
3. ANS: A
PTS: 1
4. ANS: A
PTS: 1
TOP: Concept 5.2
5. ANS: E
PTS: 1
TOP: Concept 5.2
6. ANS: E
PTS: 1
TOP: Concept 5.3
7. ANS: B
PTS: 1
TOP: Concept 5.4
8. ANS: B
PTS: 1
TOP: Concept 5.3
9. ANS: B
PTS: 1
DIF: 1
OBJ: 2-3.1
10. ANS: C
PTS: 1
DIF: 1
OBJ: 3-2.4
STA: III.1.1
11. ANS: C
PTS: 1
DIF: Bloom's Taxonomy Level: 2
NAT: N.H.S.1.12.1
12. ANS: C
PTS: 1
DIF: Bloom's Taxonomy Level: 2
NAT: N.H.S.1.12.1
COMPLETION
13. ANS: -ase
PTS: 1
DIF: L3
NAT: B.3 | B.5 | C.1.b
14. ANS: condensation, hydrolysis
PTS: 1
DIF: 1
REF: p. 52
OBJ: 2.4.3
KEY: evaluation
OBJ: 3-1.4
STA: III.1.1
MATCHING
15. ANS: A 16. ANS: D 17. ANS: B 18. ANS: C
19. ANS: C 20. ANS: A 21. ANS: A
PTS: 1 PTS: 1 PTS: 1 PTS: 1
PTS: 1 PTS: 1 PTS: 1
1
ID: A
ID: A
22. ANS: C 23. ANS: D 24. ANS: D 25. ANS: B 26. ANS: B 27. ANS: A 28. ANS: B 29. ANS: B 30. ANS: A 31. ANS: A 32. ANS: A 33. ANS: D 34. ANS: D 35. ANS: D 36. ANS: D 37. ANS: A 38. ANS: C 39. ANS: D 40. ANS: A 41. ANS: D 42. ANS: A 43. ANS: D 44. ANS: B
PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1 PTS: 1
PROBLEM
45. ANS:
a. A and B b. C and D c. An input of energy, called the activation energy, is required in order to get the reaction going. d The graph should be the same except that the energy level at point 2 should be higher.
PTS: 1
DIF: 3
OBJ: 2-2.2
STA: B2.1a
2
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related download
- biochemistry the chemistry of life
- lecture 1 3 chemistry of life
- lecture 15 the chemistry of life
- chemistry of life bonding and properties of water
- the chemistry of life
- the chemistry of life atoms molecules and elements in
- chemistry of life
- unit 1 chemistry of life study guide chapters 1 5 8
- biomolecules the chemistry of life
- chapter 2 chemistry of life
Related searches
- florida ged practice test free
- ged practice test florida
- ged practice test free
- practice test on photosynthesis
- ftce practice test free online
- english assessment practice test online
- basic math practice test questions
- sat practice test 10
- sat math practice test printable
- chemistry percent yield practice problems
- chemistry for life notes
- esl supplemental test practice test online