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BIO16 E1
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. The nonpolar regions of many biological macromolecules are buried in the interior of the molecule.
____
2.
____
3.
____
4.
____
5.
____
6.
____
7.
The driving force for this clustering of nonpolar regions is:
a. that the relatively strong hydrogen bonding forces between water molecules tend to
exclude nonpolar materials from the aqueous environment
b. that the nonpolar regions recognize similar nonpolar regions elsewhere in the
molecule, and they interact through structural complementarity
c. because the nonpolar regions form a cage-like structure around the charged
portions of the molecule
d. The nonpolar regions are always associated with the DNA genetic material on the
inside of the molecule.
When complex biomolecules such as proteins are unfolded and disordered from their biologically
active, or native, forms, the process is referred to as:
a. culmination
b. de-energization
c. hydrolysis
d. denaturation
e. desorption
In biological systems, enzymes:
a. are rigid, static lattices of biomolecules
b. are always active over a very wide range of environmental conditions, such as
temperature and acidity
c. are only found in eukaryotes and not prokaryotes
d. are the molecules in which the genetic information is encoded
e. act as catalysts to accelerate the rate of reactions
When carbon forms only single bonds to itself or other types of atoms, these bonds are:
a. octahedral
b. trihedral
c. monohedral
d. pentagonal
e. tetrahedral
In the formation of biomolecules, carbon forms stable, covalent bonds by electron sharing. Carbon
can form as many as ____ such bonds.
a. three
c. five
b. four
d. six
The four atoms that comprise more than 99% of the atoms in the human body are:
a. hydrogen, carbon, oxygen, nitrogen
c. nitrogen, oxygen, calcium, iron
b. carbon, oxygen, phosphorus, sulfur
d. carbon, hydrogen, sodium, potassium
The weak chemical forces that maintain biological structure include
a. hydrophobic interactions
b. ionic interactions
c. hydrogen bonds
d. van der Waals forces
e. all of the above
____
8. Hydrogen bonds can form between:
a. hydrogen atom covalently bonded to an electronegative atom and a second
electronegative atom
b. a nitrogen atom covalently bonded to an electronegative atom and a nitrogen atom
on another molecule
c. a hydrogen atom ionically bound to an electropositive atom and a second
electronegative atom
d. a hydrogen covalently coupled to an electropositive atom and a second
electronegative atom
____
____
____
____
____
____
____
9. Which of the following would NOT be a key characteristic of "life"?
a. organization into cells
b. response to environmental change
c. reproduction
d. inability to change
e. using energy
10. Life
a. is difficult to define.
b. is viewed differently by different people.
c. may be characterized, but not fully understood.
d. has a history of several billion years.
e. all of these
11. The study of biology is important because
a. it provides an understanding of life.
b. it is essential for humans to understand how organisms survive.
c. it is the most difficult and comprehensive of the sciences.
d. it explains the nature of the universe.
12. Nonliving entities would NOT possess
a. energetic interactions.
b. DNA.
c. atoms.
d. elements.
e. any of these
13. Which is the smallest unit of life that can exist as a separate entity?
a. a cell
b. a molecule
c. an organ
d. a population
e. an ecosystem
14. Living organisms are different from inanimate objects because they
a. react to environmental stimuli.
b. exhibit massive complexity.
c. possess molecules of deoxyribonucleic acid.
d. exhibit multiple levels of organization.
e. all of these
15. During metabolism, ATP (adenosine triphosphate) is an energy source for which of the following processes?
I. reproduction
II. growth
III. development
____ 16.
____ 17.
____ 18.
____ 19.
a. I and II
b. I and III
c. II only
d. II and III
e. I, II, and III
The ability to acquire, store, transfer, or utilize energy is called
a. biochemistry.
b. photosynthesis.
c. metabolism.
d. respiration.
e. phosphorylation.
All organisms are alike in
a. their requirements for energy.
b. their participation in one or more nutrient cycles.
c. their ultimate dependence on the sun.
d. their interaction with other forms of life.
e. all of these
Which of the following would NOT be characteristic of living organisms?
a. complex structural organization
b. dependence on other organisms for energy and resources
c. reproductive capacity
d. uniformity of size and form
e. capacity to evolve
A scientific name consists of which of the following?
I. family name
II. genus name
III. species name
a. I only
b. II only
c. III only
d. I and II
e. II and III
____ 20. The least inclusive of the taxonomic categories listed here is
a. family.
b. phylum.
c. class.
d. order.
e. genus.
____ 21. Which group includes all of the other groups?
a. phylum
b. order
c. family
d. genus
____ 22.
____ 23.
____ 24.
____ 25.
____ 26.
____ 27.
____ 28.
____ 29.
e. species
The hierarchical system of nomenclature
a. allows diversity to be catalogued.
b. shows the evolutionary relationships among organisms.
c. permits organisms to be identified.
d. clarifies confusion produced by tremendous variation.
e. all of these
Hereditary instructions must
a. be unchanging most of the time.
b. pass from one generation to the next.
c. control a large number of different characteristics.
d. provide for the rare change in instructions.
e. all of these
Which of the following statements is NOT true?
a. Diversity is the result of evolution.
b. The characteristics of any living organism are under the control of a chemical.
c. The diversity of living organisms makes life unpredictable, even using scientific methods.
d. All organisms are alike in that their structure, organization, and interactions arise from
matter and energy.
e. The behavior of individual organisms is dependent upon their evolutionary history.
The diversity of structure, function, and behavior in living organisms is primarily the result of
a. reproduction.
b. heredity.
c. evolution.
d. chance variations in living organisms.
The principal point of Darwin's theory of evolution by natural selection was that
a. long-term heritable changes in organisms are caused by use and disuse.
b. mutations that adapt an organism to a given environment always arise in the greatest
frequency in the organisms that occupy that environment.
c. mutations are caused by all sorts of environmental influences.
d. survival of characteristics in a population depends on competition between organisms,
especially between members of the same species.
Which of the following statements is NOT true?
a. Natural selection is based upon differential reproduction and survival.
b. For evolution to occur in a population, there must be some variation.
c. All variations found in a population are heritable.
d. A population undergoes evolution when the frequency of its genes change.
e. Over time, some genetic traits are more adaptive than others.
Four of the five answers listed below are taxonomic categories. Select the exception.
a. family
b. kind
c. species
d. order
e. genus
Which is NOT an element?
a. water
b. oxygen
c. carbon
d. chlorine
____ 30.
____ 31.
____ 32.
____ 33.
____ 34.
____ 35.
____ 36.
____ 37.
e. hydrogen
Which is the smallest portion of a substance that retains the properties of an element?
a. atom
b. compound
c. ion
d. molecule
e. mixture
Which is NOT a compound?
a. salt
b. a carbohydrate
c. carbon
d. a nucleotide
e. methane
The negative subatomic particle is the
a. neutron.
b. proton.
c. electron.
d. both the neutron and proton.
e. both the proton and electron.
The positive subatomic particle is the
a. neutron.
b. proton.
c. electron.
d. both the neutron and proton.
e. both the proton and electron.
The neutral subatomic particle is the
a. neutron.
b. proton.
c. electron.
d. both the neutron and proton.
e. both the proton and electron.
The nucleus of an atom contains
a. neutrons and protons.
b. neutrons and electrons.
c. protons and electrons.
d. protons only.
e. neutrons only.
Which includes the other four?
a. atoms
b. molecules
c. electrons
d. elements
e. protons
Which statement is false?
a. A molecule is made of at least two atoms.
b. Compounds are made of elements.
c. Two atoms of oxygen make a molecule of oxygen.
d. Proportions of elements in compounds vary according to their source in nature.
e. Elements are found in compounds and molecules.
____ 38. A molecule is
a. a combination of two or more atoms.
b. less stable than its constituent atoms separated.
c. electrically charged.
d. a carrier of one or more extra neutrons.
e. none of these
____ 39. The bond in table salt (NaCl) is
a. polar.
b. ionic.
c. covalent.
d. double.
e. nonpolar.
____ 40. In __________ bonds, both atoms exert the same pull on shared electrons.
a. nonpolar covalent
b. polar covalent
c. double covalent
d. triple covalent
____ 41. Which of these statements is false concerning covalent bonds?
a. Atoms share electrons.
b. Proteins possess many covalent bonds.
c. Water contains polar covalent bonds.
d. Covalent bonds may be "double bonds."
e. Polar covalent bonds share electrons equally.
____ 42. Which of the following is NOT true of hydrogen bonds?
a. They are quite weak.
b. The hydrogen is slightly positive.
c. They are common in macromolecules.
d. They form in salts such as NaCl.
e. They always involve hydrogen.
____ 43. Water is important to the interactions of biological molecules because
a. water molecules are attracted to the charged regions of molecules such as proteins.
b. it forms a cushion around the macromolecules.
c. it helps disperse the macromolecules for reactivity.
d. it prevents settling of the molecules in places where they would be unavailable.
e. all of these
____ 44. Hydrophobic molecules are __________ water.
a. attracted to
b. absorbed by
c. repelled by
d. mixed with
e. polarized by
____ 45. In a lipid bilayer, the __________ phospholipid tails point inward and form a region that excludes water.
a. acidic
b. basic
c. hydrophilic
d. hydrophobic
e. none of these
____ 46. Which of the following is a naked proton?
a. hydrogen ion
____ 47.
____ 48.
____ 49.
____ 50.
____ 51.
____ 52.
____ 53.
____ 54.
b. acid
c. base
d. hydroxyl ion
e. acceptor
The three most common atoms in your body are
a. hydrogen, oxygen, and carbon.
b. carbon, hydrogen, and nitrogen.
c. carbon, nitrogen, and oxygen.
d. nitrogen, hydrogen, and oxygen.
e. carbon, oxygen, and sulfur.
Carbon usually forms how many bonds with other atoms?
a. 2
b. 3
c. 4
d. 5
e. 6
Which of the following would NOT be classified as a polymer?
a. starch
b. nucleic acid
c. triglyceride
d. protein
e. polysaccharide
The formation of large molecules from small repeating units is known as what kind of reaction?
a. oxidation
b. reduction
c. condensation
d. hydrolysis
e. decarboxylation
The breakdown of large molecules by the enzymatic addition of water is an example of what kind of reaction?
a. oxidation
b. reduction
c. condensation
d. hydrolysis
e. decarboxylation
Which is a monomer of carbohydrates?
a. glycogen
b. nucleotide
c. simple sugar
d. monosaccharide
e. both simple sugar and monosaccharide
Glycogen is a polysaccharide used for energy storage by
a. animals.
b. plants.
c. protistans.
d. monerans.
e. both animals and protistans.
Cellulose is
a. a material found in cell walls.
b. a component of cell membranes.
____ 55.
____ 56.
____ 57.
____ 58.
____ 59.
____ 60.
____ 61.
____ 62.
c. a plant protein.
d. formed by photosynthesis.
e. the most complex of the organic compounds.
Which of the following is more soluble in a nonpolar solvent (such as acetone) than in water?
a. lipids
b. polysaccharides
c. fats
d. sterols
e. all of these except polysaccharides
Triglycerides are
a. carbohydrates.
b. nucleotides.
c. proteins.
d. neutral fats.
e. amino acids.
Primary protein structure is dependent on
a. hydrophobic interactions.
b. hydrogen bonds.
c. bonds between carbon and hydrogen.
d. covalent linkages between carbon and oxygen.
e. all of these
Proteins may function as
a. structural units.
b. hormones.
c. storage molecules.
d. transport molecules.
e. all of these
The R group found in amino acids consists of
a. an amine group.
b. a hydroxyl group.
c. a carboxyl group.
d. additional atoms.
e. an amine group and a carboxyl group.
Amino acids are the building blocks for
a. proteins.
b. steroids.
c. lipids.
d. nucleic acids.
e. carbohydrates.
What kind of bond exists between two amino acids in a protein?
a. peptide
b. ionic
c. hydrogen
d. amino
e. sulfhydroxyl
The sequence of amino acids is the __________ structure of proteins.
a. primary
b. secondary
c. tertiary
____ 63.
____ 64.
____ 65.
____ 66.
____ 67.
____ 68.
____ 69.
____ 70.
d. quaternary
e. stereo
The secondary structure of proteins is
a. helical.
b. sheetlike.
c. globular.
d. the sequence of amino acids.
e. both helical and sheetlike.
The interaction of four polypeptide chains in a hemoglobin molecule is __________ structure.
a. quaternary
b. secondary
c. primary
d. tertiary
e. quintinery
The sixth amino acid in normal hemoglobin is glutamate, but it is replaced by __________ in sickle-cell
anemia.
a. histidine
b. proline
c. leucine
d. valine
e. threonine
Which of the following is NOT a known dysfunction in the expression of sickle-cell anemia?
a. loss of shape of red blood cells with insufficient oxygen
b. rheumatism
c. overactive bone marrow
d. excessive absorption of oxygen causing the cell to swell
e. enlarged spleen
Nucleotides are the building blocks for
a. proteins.
b. steroids.
c. lipids.
d. ATP, NAD+, and FAD.
e. carbohydrates.
Which of the following is NOT found in every nucleic acid?
a. ribose
b. phosphate group
c. single-ring base
d. double-ring base
e. All of these are characteristic of every nucleotide.
The nucleotide most closely associated with energy is
a. cyclic AMP.
b. FAD.
c. NAD+.
d. ATP.
e. all of these
Nucleotides contain what kind of sugars?
a. three-carbon
b. four-carbon
c. five-carbon
d. six-carbon
e. seven-carbon
____ 71. DNA
a. is one of the adenosine phosphates.
b. is one of the nucleotide coenzymes.
c. contains protein-building instructions.
d. translates protein-building instructions into actual protein structures.
e. none of these
____ 72. Which molecule is incorrectly matched with its component parts?
a. fat: fatty acids
b. starch: riboses
c. protein: amino acids
d. glycogen: glucoses
e. nucleic acids: nucleotides
____ 73. Four of the five answers listed below are related by a common chemical similarity. Select the exception.
a. cellulose
b. hydrochloric acid
c. amino acid
d. protein
e. nucleic acid
____ 74. Which of the following noncovalent interactions are NOT important in protein structure?
a. hydrophobic interactions
b. ionic bonds
c. electrostatic bonds
d. van der Waals forces
e. hydrogen bonds
____ 75. Which of the following statements about hydrophobic bonds is false?
a. The forming of hydrophobic bonds maximizes the interaction of nonpolar residues
with water.
b. They form because nonpolar side chains of amino acids and other nonpolar solutes
prefer to cluster in a nonpolar environment.
c. Hydrophobic bonds can also be referred to as hydrophobic interactions.
d. They form because nonpolar side chains prefer not to intercalate in a polar solvent
such as water.
e. They are of vital importance in protein structure.
____ 76. Which of the following statements about electrostatic interactions is false?
a. They arise either as electrostatic attractions between opposite charges or repulsions
between like charges.
b. Electrostatic interactions between charged groups on a protein surface are often
complicated by the presence of salts.
c. They are important for protein stability.
d. Most proteins do not have amino acids that participate in electrostatic interactions.
e. An electrostatic interaction may be weakened by NaCl.
____ 77. Which of the following statements about Van der Waals interactions is false?
a. They can arise due to instantaneous dipole-induced dipole interactions.
b. They consist of both attractive forces and repulsive forces.
c. Individual van der Waals interactions are weak.
d. They arise because of fluctuation in the electron charge distributions of adjacent
nonbonded atoms.
e. Because they are so weak, they do not contribute much to protein stability.
____ 78. Which of the following statements about lipids is false?
a. The lipids found in biological systems are either hydrophobic or amphipathic.
b. Lipids represent highly reduced forms of carbon.
c. Lipids are highly soluble in water.
d. Upon oxidation in metabolism, lipids yield large amounts of energy.
e. Lipids are the molecules of choice for metabolic energy storage.
____ 79. The successive mononucleotide units in DNA and RNA are:
a. linked by hydrogen bonding through phosphodiester bridges between the 3'
____ 80.
____ 81.
____ 82.
____ 83.
____ 84.
position of one mononucleotide and the 5' position of the next
b. linked by hydrogen bonding between adenine and thymine and between guanine
and cytosine
c. linked covalently through phosphodiester bridges between the 3' position of one
mononucleotide and the 5' position of the next
d. linked covalently between adenine and thymine and between guanine and cytosine
e. linked by a glycosidic bond
The sequence of bases in the part of a complementary strand of DNA that pairs with 5'- adenine cytosine - adenine - guanine -3' is 3'- ______ - ______ - ______ - ______ -5'
(i)
(ii)
(iii)
(iv)
a. cytosine - adenine - cytosine - thymine c. thymine - adenine - thymine - cytosine
b. guanine - thymine - thymine - cytosine d. thymine - guanine - thymine - cytosine
In DNA, the phosphodiester linkages between the adjacent nucleotides are between:
a. the 3' and 4' positions of the deoxyribose units
b. the 4' and 5' positions of the deoxyribose units
c. the 1' and 5' positions of the deoxyribose units
d. the 2' and 3' positions of the deoxyribose units
e. the 3' and 5' positions of the deoxyribose units
In double-stranded DNA, hydrogen bonding between the bases on the two strands typically occurs
between:
a. adenine and guanine
b. adenine and thymine
c. adenine and cytosine
d. adenine and uracil
e. adenine and inosine
Both purines and pyrimidines can exist in different tautomeric forms. The forms typically found in
double-stranded DNA are:
a. uracil = keto; adenine = keto
b. guanine = keto; cytosine = enol
c. thymine = keto; guanine = keto
d. guanine = enol; thymine = keto
e. thymine = enol; guanine = enol
Transfer RNAs are involved in:
a.
b.
c.
d.
e.
carrying nucleotides to the ribosome for messenger RNA synthesis
carrying amino acids to the ribosome for protein synthesis
carrying amino acids to peroxisomes for degradation
carrying glucose residues to the Golgi apparatus for polysaccharide synthesis
carrying nucleotides to the nucleus for coenzyme biosynthesis
____ 85. There are fundamental chemical differences between DNA and RNA, such as:
a. The nucleotides in RNA are linked by 3'-5' phosphodiester bridges while those in
DNA involve 2'-5' bridges.
b. The nucleotides in RNA include uracil, while DNA has thymine.
c. The sugars in the nucleotides of RNA are hexoses, while they are the pentose
deoxyribose in DNA.
d. Adenine is found in DNA but not in RNA.
____ 86. DNA is much more stable to alkaline hydrolysis than RNA because:
a. DNA is usually protected by proteins, while RNA is not.
b. There are many more RNA digesting enzymes present in cells than DNA digesting
enzymes.
c. The 2'-OH group of the ribose in RNA can assist hydrolysis of 3'-5' phosphodiester
bridges, but DNA lacks the 2'-OH group.
d. The uracil found in RNA but not DNA aids in the hydrolysis by alkali.
e. DNA occurs in a double helix, while RNA does not.
____ 87. The difference between the sugars in DNA and RNA is:
a. In RNA the sugar residue is neuraminic acid, while the sugar residue in DNA is
deoxy-neuraminic acid.
b. In DNA the sugar residue is deoxy-adenine, whereas in RNA it is adenine.
c. In RNA the sugar residue is a reducing sugar, whereas in DNA it is not.
d. In DNA the sugar is 2-deoxy-D-ribose, whereas in RNA it is D-ribose.
e. In DNA the sugar is glucose, whereas in RNA it is ribose.
Matching
Answer questions by matching the descriptions to the most appropriate function, process, or trait listed below.
a. metabolism
b. reproduction
c. photosynthesis
d. growth
e. homeostasis
____
____
____
____
88.
89.
90.
91.
A process found only in plants and some bacteria
Most organisms exhibit this characteristic that tends to buffer the effects of environmental change.
The capacity to acquire, store, and use energy
Process in which one generation replaces another
The following are types of chemical bonds. Answer the questions by matching the descriptions with the most
appropriate bond type.
a. hydrogen
b. ionic
c. covalent
d. disulfide
e. peptide
____
____
____
____
____
92.
93.
94.
95.
96.
The bond between the atoms of table salt
The bond type holding several molecules of water together
The bond between the oxygen atoms of gaseous oxygen
The bond that breaks when salts dissolve in water
Atoms connected by this kind of bond share electrons.
Choose the one most appropriate answer for each.
a. a six-carbon sugar
b. energy carriers such as NAD+ and FAD
c. principal components of cell membranes
d. speed up metabolic reactions
e. DNA and RNA
____
____
____
____
97.
98.
99.
100.
enzymes
glucose
nucleotide coenzymes
phospholipids
BIO16 E1
Answer Section
MULTIPLE CHOICE
1.
2.
3.
4.
ANS:
ANS:
ANS:
ANS:
A
D
E
E
PTS: 1
PTS: 1
PTS: 1
________________________________________
PTS: 1
5. ANS: B
________________________________________
PTS: 1
6. ANS: A
________________________________________
PTS: 1
7. ANS: E
________________________________________
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
PTS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
TOP:
ANS:
TOP:
ANS:
TOP:
ANS:
TOP:
ANS:
TOP:
ANS:
TOP:
ANS:
TOP:
1
A
PTS: 1
D
PTS: 1
DIF: Easy
E
PTS: 1
DIF: Easy
A
PTS: 1
DIF: Moderate
B
PTS: 1
DIF: Moderate
A
PTS: 1
DIF: Easy
E
PTS: 1
DIF: Easy
E
PTS: 1
DIF: Easy
C
PTS: 1
DIF: Easy
E
PTS: 1
DIF: Moderate
ENERGY AND LIFE'S ORGANIZATION
D
PTS: 1
DIF: Difficult
ENERGY AND LIFE'S ORGANIZATION
E
PTS: 1
DIF: Easy
IF SO MUCH UNITY | WHY SO MANY SPECIES?
E
PTS: 1
DIF: Moderate
IF SO MUCH UNITY | WHY SO MANY SPECIES?
A
PTS: 1
DIF: Easy
IF SO MUCH UNITY | WHY SO MANY SPECIES?
E
PTS: 1
DIF: Difficult
IF SO MUCH UNITY | WHY SO MANY SPECIES?
E
PTS: 1
DIF: Moderate
AN EVOLUTIONARY VIEW OF DIVERSITY
TOP:
TOP:
TOP:
TOP:
TOP:
DNA | ENERGY | AND LIFE
DNA | ENERGY | AND LIFE
DNA | ENERGY | AND LIFE
DNA | ENERGY | AND LIFE
DNA | ENERGY | AND LIFE
24. ANS:
TOP:
25. ANS:
TOP:
26. ANS:
TOP:
27. ANS:
TOP:
28. ANS:
29. ANS:
30. ANS:
31. ANS:
32. ANS:
33. ANS:
34. ANS:
35. ANS:
36. ANS:
TOP:
37. ANS:
TOP:
38. ANS:
TOP:
39. ANS:
TOP:
40. ANS:
TOP:
41. ANS:
TOP:
42. ANS:
TOP:
43. ANS:
44. ANS:
45. ANS:
46. ANS:
47. ANS:
TOP:
48. ANS:
TOP:
49. ANS:
TOP:
50. ANS:
TOP:
51. ANS:
TOP:
52. ANS:
TOP:
53. ANS:
TOP:
C
PTS: 1
DIF: Difficult
AN EVOLUTIONARY VIEW OF DIVERSITY
C
PTS: 1
DIF: Difficult
AN EVOLUTIONARY VIEW OF DIVERSITY
D
PTS: 1
DIF: Moderate
AN EVOLUTIONARY VIEW OF DIVERSITY
C
PTS: 1
DIF: Difficult
AN EVOLUTIONARY VIEW OF DIVERSITY
B
PTS: 1
DIF: Moderate
A
PTS: 1
DIF: Moderate
TOP: REGARDING THE ATOMS
A
PTS: 1
DIF: Moderate
TOP: REGARDING THE ATOMS
C
PTS: 1
DIF: Easy
TOP: REGARDING THE ATOMS
C
PTS: 1
DIF: Easy
TOP: REGARDING THE ATOMS
B
PTS: 1
DIF: Easy
TOP: REGARDING THE ATOMS
A
PTS: 1
DIF: Easy
TOP: REGARDING THE ATOMS
A
PTS: 1
DIF: Easy
TOP: REGARDING THE ATOMS
B
PTS: 1
DIF: Easy
WHAT HAPPENS WHEN ATOM BONDS WITH ATOM?
D
PTS: 1
DIF: Moderate
WHAT HAPPENS WHEN ATOM BONDS WITH ATOM?
A
PTS: 1
DIF: Moderate
WHAT HAPPENS WHEN ATOM BONDS WITH ATOM?
B
PTS: 1
DIF: Moderate
IMPORTANT BONDS IN BIOLOGICAL MOLECULES
A
PTS: 1
DIF: Difficult
IMPORTANT BONDS IN BIOLOGICAL MOLECULES
E
PTS: 1
DIF: Moderate
IMPORTANT BONDS IN BIOLOGICAL MOLECULES
D
PTS: 1
DIF: Difficult
IMPORTANT BONDS IN BIOLOGICAL MOLECULES
E
PTS: 1
DIF: Moderate
TOP: PROPERTIES OF WATER
C
PTS: 1
DIF: Moderate
TOP: PROPERTIES OF WATER
D
PTS: 1
DIF: Difficult
TOP: PROPERTIES OF WATER
A
PTS: 1
DIF: Moderate
TOP: ACIDS | BASES | AND BUFFERS
A
PTS: 1
DIF: Easy
THE MOLECULES OF LIFE-FROM STRUCTURE TO FUNCTION
C
PTS: 1
DIF: Moderate
THE MOLECULES OF LIFE-FROM STRUCTURE TO FUNCTION
C
PTS: 1
DIF: Difficult
HOW DO CELLS BUILD ORGANIC COMPOUNDS?
C
PTS: 1
DIF: Moderate
HOW DO CELLS BUILD ORGANIC COMPOUNDS?
D
PTS: 1
DIF: Easy
HOW DO CELLS BUILD ORGANIC COMPOUNDS?
E
PTS: 1
DIF: Easy
CARBOHYDRATES-THE MOST ABUNDANT MOLECULES OF LIFE
A
PTS: 1
DIF: Moderate
CARBOHYDRATES-THE MOST ABUNDANT MOLECULES OF LIFE
54. ANS:
TOP:
55. ANS:
TOP:
56. ANS:
TOP:
57. ANS:
TOP:
58. ANS:
TOP:
59. ANS:
TOP:
60. ANS:
TOP:
61. ANS:
TOP:
62. ANS:
TOP:
63. ANS:
TOP:
64. ANS:
TOP:
65. ANS:
TOP:
66. ANS:
TOP:
67. ANS:
TOP:
68. ANS:
TOP:
69. ANS:
TOP:
70. ANS:
TOP:
71. ANS:
TOP:
72. ANS:
TOP:
73. ANS:
74. ANS:
75. ANS:
76. ANS:
77. ANS:
78. ANS:
79. ANS:
80. ANS:
81. ANS:
82. ANS:
A
PTS: 1
DIF: Moderate
CARBOHYDRATES-THE MOST ABUNDANT MOLECULES OF LIFE
E
PTS: 1
DIF: Moderate
GREASY | OILY-MUST BE LIPIDS
D
PTS: 1
DIF: Moderate
GREASY | OILY-MUST BE LIPIDS
C
PTS: 1
DIF: Difficult
A STRING OF AMINO ACIDS: PROTEIN PRIMARY STRUCTURE
E
PTS: 1
DIF: Moderate
A STRING OF AMINO ACIDS: PROTEIN PRIMARY STRUCTURE
D
PTS: 1
DIF: Difficult
A STRING OF AMINO ACIDS: PROTEIN PRIMARY STRUCTURE
A
PTS: 1
DIF: Easy
A STRING OF AMINO ACIDS: PROTEIN PRIMARY STRUCTURE
A
PTS: 1
DIF: Easy
A STRING OF AMINO ACIDS: PROTEIN PRIMARY STRUCTURE
A
PTS: 1
DIF: Moderate
A STRING OF AMINO ACIDS: PROTEIN PRIMARY STRUCTURE
E
PTS: 1
DIF: Moderate
HOW DOES A PROTEIN'S FINAL STRUCTURE EMERGE?
A
PTS: 1
DIF: Moderate
HOW DOES A PROTEIN'S FINAL STRUCTURE EMERGE?
D
PTS: 1
DIF: Easy
WHY IS PROTEIN STUCTURE SO IMPORTANT?
D
PTS: 1
DIF: Moderate
WHY IS PROTEIN STUCTURE SO IMPORTANT?
D
PTS: 1
DIF: Easy
NUCLEOTIDES AND NUCLEIC ACIDS
A
PTS: 1
DIF: Moderate
NUCLEOTIDES AND NUCLEIC ACIDS
D
PTS: 1
DIF: Moderate
NUCLEOTIDES AND NUCLEIC ACIDS
C
PTS: 1
DIF: Easy
NUCLEOTIDES AND NUCLEIC ACIDS
C
PTS: 1
DIF: Moderate
NUCLEOTIDES AND NUCLEIC ACIDS
B
PTS: 1
DIF: Difficult
NUCLEOTIDES AND NUCLEIC ACIDS
B
PTS: 1
DIF: Moderate
B
PTS: 1
A
PTS: 1
D
PTS: 1
E
PTS: 1
C
PTS: 1
C
PTS: 1
D
PTS: 1
E
PTS: 1
B
PTS: 1
83.
84.
85.
86.
87.
ANS:
ANS:
ANS:
ANS:
ANS:
C
B
B
C
D
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
MATCHING
88.
89.
90.
91.
ANS:
ANS:
ANS:
ANS:
C
E
A
B
PTS:
PTS:
PTS:
PTS:
1
1
1
1
DIF:
DIF:
DIF:
DIF:
Moderate
Easy
Moderate
Easy
92.
93.
94.
95.
96.
ANS:
ANS:
ANS:
ANS:
ANS:
B
A
C
B
C
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
DIF:
DIF:
DIF:
DIF:
DIF:
Moderate
Moderate
Moderate
Moderate
Moderate
97.
98.
99.
100.
ANS:
ANS:
ANS:
ANS:
D
A
B
C
PTS:
PTS:
PTS:
PTS:
1
1
1
1
DIF:
DIF:
DIF:
DIF:
Moderate
Moderate
Moderate
Moderate