ASU BIO 181 FINAL EXAM NEWEST 2025/2026 NEWEST
ACTUAL EXAM WITH COMPLETE QUESTIONS AND
VERIFIED ANSWERS |ALREADY GRADED A+|
Which type of mutation would most likely have the least effect on
the gene of interest? - ANSWER-Synonymous mutation
What is the probability of a child having the same PHENOTYPE
as the FIRST parent: AaBb x AA BB - ANSWER-100%
What is the probability of a child having the same GENOTYPE as
the FIRST parent: AaBb x AABB - ANSWER-1/4
This DNA binding protein inhibits RNA polymerase binding and
transcription of lac operon - ANSWER-Lac repressor
I+P+OcZ+Y+ is the genotype of E. coli. In the absence of
lactose... - ANSWER-Z (beta galactosidase) will be promoted
Y (permease) will be produced
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IsP+O+Z-Y-/I-P+O+Z+Y+ is the genotype of E. coli. In the
presence of lactose... - ANSWER-Z will never be produced
Y will never be produced
Both mutations and sexual reproduction are important. Why? -
ANSWER-They both help to promote genetic variation
Mad cow disease and kuru are both caused by which biological
agent? - ANSWER-Prion
The pair awarded the Nobel Prize for discovering the structure of
DNA - ANSWER-Watson/Crick
DNA is most important for - ANSWER-Storing genetic information
Transmitting genetic information
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Replication is the process of - ANSWER-DNA copying itself
If the guanine content of DNA from the bacterial cells is 40% what
is the cytosine content? - ANSWER-40%
If the cytosine content of DNA from the bacterial cells is 30% what
is the adenine content? - ANSWER-20%
Chromatin is composed of - ANSWER-Histones and DNA
Which one of the following nucleotides hydrogen base pairs with
adenine in an RNA molecule? - ANSWER-Uracil
16% of the nucleotides are adenine. What are the percentages of
the other nucleotides? - ANSWER-16% thymidine, 34% guanine,
34% cytosine
The strands in a DNA molecule are - ANSWER-Antiparallel