Bio 150 Final Exam - UTK Mamantov (2025)
ACTUAL EXAM (TESTING REAL EXAM
QUESTIONS)AND VERIFIED
ANSWERS/MULTIPLE CHOICES ( 100%
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Terms in this set (143)
What statement best Hypotheses are usually narrower in scope; theories
distinguishes scientific have broader explanatory power.
hypotheses from
scientific theories?
A controlled experiment includes at least two groups, one of which does not
____________. receive the experimental treatment
In trying to determine DNA contains phosphorus, whereas protein does
whether DNA or protein not.
is the genetic material,
Hershey and Chase made
use of which fact?
In analyzing the number A/T= C / G
of different bases in a
DNA sample, which result
would be consistent with
the base-pairing rules?
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,3/12/25, 6:53 AM Bio 150 Final Exam - UTK Mamantov (2025) ACTUAL EXAM (TESTING REAL EXAM QUESTIONS)AND VERIFIED ANSWER…
Within a double-stranded permits complementary base pairing
DNA molecule, adenine
forms hydrogen bonds
with thymine and
cytosine forms hydrogen
bonds with guanine. This
arrangement ________.
In the process of RNA is synthesized
transcription, ________.
Once researchers Messenger RNA is transcribed from a single gene
identified DNA as the unit and transfers information from the DNA in the
of inheritance, they asked nucleus to the cytoplasm, where protein synthesis
how information was takes place.
transferred from the DNA
in the nucleus to the site
of protein synthesis in the
cytoplasm. What is the
mechanism of
information transfer in
eukaryotes?
The "universal" genetic If UGA, usually a stop codon, is found to code for
code is now known to an amino acid such as tryptophan (usually coded for
have exceptions. by UGG only) in a different organism
Evidence for this can be
found if what is TRUE?
Why did the F1 offspring One allele was dominant
of Mendel's classic pea
cross always look like
one of the two parental
varieties?
Which of the following Hereditary components are discrete units that do
best describes Mendel's not change from generation to generation.
particulate inheritance
hypothesis?
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,3/12/25, 6:53 AM Bio 150 Final Exam - UTK Mamantov (2025) ACTUAL EXAM (TESTING REAL EXAM QUESTIONS)AND VERIFIED ANSWER…
Two plants are crossed, the parents were both heterozygous for the
resulting in offspring with particular trait
a 3:1 ratio for a particular
trait. This ratio suggests
that ________.
In tigers, a recessive 50%
allele causes a white tiger
(absence of fur
pigmentation). If one
phenotypically normal
tiger that is heterozygous
is mated to another that
is phenotypically white,
what percentage of their
offspring is expected to
be white?
The cause of genetic drift when allele frequencies of a chosen subset of a
is sampling error, which population are different from those in the total
occurs ________. population, by chance
Within a population of 19.6%
fruit flies, curled wings
(W) are dominant over
regular wings (w). 4/5 of
the population of fruit
flies have regular wings.
What percentage of fruit
flies in the population are
heterozygous for this
gene (Ww)? Assume the
population is in Hardy-
Weinberg equilibrium.
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, 3/12/25, 6:53 AM Bio 150 Final Exam - UTK Mamantov (2025) ACTUAL EXAM (TESTING REAL EXAM QUESTIONS)AND VERIFIED ANSWER…
Consider the following p = 0.575
population: For the gene q = 0.425
A, A is dominant to a. The
population consists of
100 individuals. 65 of the
individuals are
heterozygous, 25 of the
individuals are
homozygous dominant,
and 10 of the individuals
are homozygous
recessive. USE THIS FOR
CARDS 15-17!!!
In this population, p =
frequency of A and q =
frequency of a.
Find p and q
If after 50 generations of p is now: 80+ or 95/200 = 0.475
mating, we resample the q is now: 90+ or 105/200 = 0.525
population and find the Evolution has occurred because allele frequencies
following individuals: have changed.
40 homozygous
dominant individuals,
45 homozygous
recessive individuals,
and 15 heterozygous
individuals
Has evolution occurred?
Why or why not?
Is this population in No
Hardy-Weinberg
Equilibrium?
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