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Exam 1 Practice
Exam 1 Practice
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Answers
1
What is the correct order of these metric system prefixes from greatest to smallest?
kilo-, hecto-, deci-, milli-
milli-, deci-, hecto-, kilo-
kilo-, hecto-, milli-, deci
kilo-, deci-, hecto-, milli-
2
In the taxonomic ranking system, Order is more inclusive than Class.
True
False
3
During which periods did the five main extinction events occur?
Cambrian, Devonian, Cretaceous, Permian, Cenozoic
Ordovician, Devonian, Permian, Triassic, Cretaceous
Permian, Mesozoic, Carboniferous, Devonian, Jurassic
Ediacaran, Ordovician, Silurian, Permian, Triassic
4
The purines are ______ and ______.
adenine; guanine
adenine; thymine
guanine; uracil
cytosine; thymine
5
All biology takes place in a(n) ______ environment.
slightly basic
homeostatic
aqueous
slightly acidic
6
Birds were the only dinosaurs to survive the Cretaceous extinction event.
True
False
7
Who formulated the principle of induction?
Alexander Oparin
James Hutton
David Hume
Karl Popper
8
The amino group is located on the N-terminal end of an amino acid chain.
True
False
9
Populations ________; humans ________.
evolve; adapt
adapt; evolve
10
In a protein, shape determines function. What determines shape?
N-terminal
nitrogenous bases
pH levels in the protein's surrounding environment
side chains
11
Archaea are more closely related to Eukarya than Bacteria.
True
False
12
Cholesterol is a type of lipid.
True
False
13
If the pOH level of a solution is 13, the solution is extremely acidic.
False
True
14
C-H bonds are....
formed through hydrogen bonding.
ionic bonds.
polar covalent bonds.
nonpolar covalent bonds.
15
A micelle has a nonpolar head and a polar tail.
True
False
16
A solvent dissolves a solute.
False
True
17
Angiosperms appeared during the ________.
Cenozoic
Carboniferous
Mesozoic
Permian
18
What is the correct order of these geological time periods?
Cenozoic, Ediacaran, Silurian, Mesozoic
Ediacaran, Mesozoic, Silurian, Cenozoic
Ediacaran, Silurian, Mesozoic, Cenozoic
Mesozoic, Ediacaran, Silurian, Cenozoic
19
During which time period did we see fish first appear?
Devonian
Ordovician
Silurian
Triassic
20
Reptiles began producing amniotic eggs near the end of the Devonian period.
True
False
21
The Ordovician period came before the Carboniferous period.
True
False
22
What is the correct order of these geological time periods?
Carboniferous, Permian, Cambrian, Devonian
Carboniferous, Cambrian, Devonian, Permian
Cambrian, Carboniferous, Permian, Devonian
Cambrian, Devonian, Carboniferous, Permian
23
What aspects compose a nucleotide?
deoxyribose, ribose, a carbohydrate, and a nitrogenous base
nitrogenous base and a phosphate group
fructose, a nitrogenous base, and a phosphate group
5-carbon sugar, nitrogenous base, and a phosphate group
24
An isotope differs in number of neutrons, while an ion differs in number of protons.
False
True
25
Chitin forms...
cytoskeleton of eukaryotic cells.
both fungi cell walls and exoskeletons of arthropods.
exoskeletons of arthropods.
fungi cell walls.
26
What is hydrolysis?
breaking down a polymer by removing water
building a polymer by removing water
breaking down a polymer by adding water
building a polymer by adding water
27
The ______ level of protein structure indicates the 3D shape of the protein.
secondary
quaternary
primary
tertiary
28
Which scientist discovered and named the cell?
Theodor Schwann
Matthias Schleiden
Thomas Malthus
Robert Hooke
29
Carbohydrates have an ester bond; lipids have a glycosidic bond.
False
True
30
Which carbohydrates are used for energy storage?
starch only
chitin and glycogen
starch and cellulose
starch and glycogen
31
Who theorized that the current population is restricted by the world's food supply?
Peter Grant
Thomas Malthus
Ted Daeschler
Clair Paterson
32
The opposite charges between cations and anions form an ionic bond.
True
False
33
Which type of bond is present for nucleic acids?
phospholipid
phosphodiester
phosphoric
phosphodiesterase
34
The genome is a collection of all genetic material within an organism.
True
False
35
What is the correct order of these taxonomic ranks?
Kingdom, Species, Class, Family
Kingdom, Family, Species, Class
Kingdom, Family, Class, Species
Kingdom, Class, Family, Species
