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BIOL 110 EXAM 1 LATEST REAL EXAM QUESTIONS & VERIFIED
ANSWERS (2026) – PASS GUARANTEED
Natural selection _______________________.
a) is the process by which a population becomes more well adapted to its'
environment over time
b) is the same as evolution
c) only took place a long time ago
d) is the only evolutionary process
a) is the process by which a population becomes more well adapted to its'
environment over time
The available scientific data indicates that life first arose ______________.
a) 500 million years ago
b) about 3.7 billion years ago
c) less than 10,000 years ago
d) about 3.7 million years ago
b) about 3.7 billion years ago
Amino acids are joined by _________.
a) peptide bonds
b) hydrogen bonds
c) ionic bonds
, 2
d) van der Waals interactions
a) peptide bonds
An example of catabolism is the _________________.
a) removal of water from a peptide bond
b) breakdown of starch into simple sugars
c) production of testosterone
d) synthesis of DNA from nucleotide bases
b) breakdown of starch into simple sugars
If two molecules of glucose (C6H12O6) are joined via condensation synthesis, the
resulting molecule would have a molecular formula of _______________.
a) C12H25O13
b) C12H24O12
c) C12H22O11
d) C6H12O6
c) C12H22O11
Sweat plays an important role in thermoregulation due to the high heat of
vaporization of water. That is, it takes energy to not only raise the temperature of
water, but additional energy is required to make the phase change from water to
gas. In individuals with HED (hypohidrotic ectodermal dysplasia), sweat gland
numbers are reduced. Predictably, what symptoms occur in HED-affected
individuals?
a) They would have excessive body odor.
b) They would always be thirsty.
c) They would be prone to heat stroke.
d) There would be no symptoms associated with this condition.
, 3
c) They would be prone to heat stroke.
Lipids are predominantly hydrophobic because of their ______________.
a) sugar-phosphate backbone
b) nitrogenous bases
c) phosphate groups
d) hydrocarbon chains
d) hydrocarbon chains
RNA's nitrogenous bases include ____________.
a) guanine and thymine
b) uracil and thymine
c) uracil and guanine
d) none of these choices
c) uracil and guanine
Ice floats. What would be the consequence to aquatic life if ice sank?
a) There would be no consequence.
b) Aquatic life would suffer in the winter.
c) Aquatic life would suffer in the summer.
d) Aquatic life would benefit in the winter.
b) Aquatic life would suffer in the winter.
There are _________ amino acids that are used by organisms for protein
synthesis.
a) 10
b) 20
, 4
c) 30
d) 5
b) 20
All of the following are functions of proteins EXCEPT _____________.
a) storage of genetic information
b) skin coloration
c) digestion
d) oxygen transport
a) storage of genetic information
The diversity of carbon compounds is largely due to carbon's ________________.
a) hydrophilicity
b) valence of four
c) large positive charge
d) full outer electron shell
b) valence of four
Dendrochronology is especially useful when estimating _________.
a) climate conditions on early Earth
b) the time of the last ice age
c) the age of microbes living in the Antarctic ice.
d) relatively recent climate patterns
d) relatively recent climate patterns
The available astronomical data indicate that the universe is about ______.
a) 1 billion years old
BIOL 110 EXAM 1 LATEST REAL EXAM QUESTIONS & VERIFIED
ANSWERS (2026) – PASS GUARANTEED
Natural selection _______________________.
a) is the process by which a population becomes more well adapted to its'
environment over time
b) is the same as evolution
c) only took place a long time ago
d) is the only evolutionary process
a) is the process by which a population becomes more well adapted to its'
environment over time
The available scientific data indicates that life first arose ______________.
a) 500 million years ago
b) about 3.7 billion years ago
c) less than 10,000 years ago
d) about 3.7 million years ago
b) about 3.7 billion years ago
Amino acids are joined by _________.
a) peptide bonds
b) hydrogen bonds
c) ionic bonds
, 2
d) van der Waals interactions
a) peptide bonds
An example of catabolism is the _________________.
a) removal of water from a peptide bond
b) breakdown of starch into simple sugars
c) production of testosterone
d) synthesis of DNA from nucleotide bases
b) breakdown of starch into simple sugars
If two molecules of glucose (C6H12O6) are joined via condensation synthesis, the
resulting molecule would have a molecular formula of _______________.
a) C12H25O13
b) C12H24O12
c) C12H22O11
d) C6H12O6
c) C12H22O11
Sweat plays an important role in thermoregulation due to the high heat of
vaporization of water. That is, it takes energy to not only raise the temperature of
water, but additional energy is required to make the phase change from water to
gas. In individuals with HED (hypohidrotic ectodermal dysplasia), sweat gland
numbers are reduced. Predictably, what symptoms occur in HED-affected
individuals?
a) They would have excessive body odor.
b) They would always be thirsty.
c) They would be prone to heat stroke.
d) There would be no symptoms associated with this condition.
, 3
c) They would be prone to heat stroke.
Lipids are predominantly hydrophobic because of their ______________.
a) sugar-phosphate backbone
b) nitrogenous bases
c) phosphate groups
d) hydrocarbon chains
d) hydrocarbon chains
RNA's nitrogenous bases include ____________.
a) guanine and thymine
b) uracil and thymine
c) uracil and guanine
d) none of these choices
c) uracil and guanine
Ice floats. What would be the consequence to aquatic life if ice sank?
a) There would be no consequence.
b) Aquatic life would suffer in the winter.
c) Aquatic life would suffer in the summer.
d) Aquatic life would benefit in the winter.
b) Aquatic life would suffer in the winter.
There are _________ amino acids that are used by organisms for protein
synthesis.
a) 10
b) 20
, 4
c) 30
d) 5
b) 20
All of the following are functions of proteins EXCEPT _____________.
a) storage of genetic information
b) skin coloration
c) digestion
d) oxygen transport
a) storage of genetic information
The diversity of carbon compounds is largely due to carbon's ________________.
a) hydrophilicity
b) valence of four
c) large positive charge
d) full outer electron shell
b) valence of four
Dendrochronology is especially useful when estimating _________.
a) climate conditions on early Earth
b) the time of the last ice age
c) the age of microbes living in the Antarctic ice.
d) relatively recent climate patterns
d) relatively recent climate patterns
The available astronomical data indicate that the universe is about ______.
a) 1 billion years old
