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Bio 181 Grand Canyon University Exam 3 Questions and Answers 100% Pass $12.49   Add to cart

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Bio 181 Grand Canyon University Exam 3 Questions and Answers 100% Pass

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  • BIO 181

Copyright ©EMILLYCHARLOTE 2025 ACADEMIC YEAR, ALL RIGHTS RESERVED. Page 3/15 An Okazaki fragment has which of the following arrangements? - ANSWER-DNA polymerase I, DNA polymerase III What do we mean when we use the term monohybrid cross and dihybrid cross? - ANSWER-a dihybrid cross involves o...

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  • November 26, 2024
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  • BIO 181
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Bio 181 Grand Canyon University Exam 3
Questions and Answers 100% Pass


A frameshift mutation could result from - ANSWER✔✔-E) either an

insertion or a deletion of a base.


Which of the following does not occur in prokaryotic eukaryotic gene

expression, but does in eukaryotic gene expression? - ANSWER✔✔-C) A

poly-A tail is added to the 3' end of an mRNA and a cap is added to the 5'

end.


Which of the following helps to hold the DNA strands apart while they are

being replicated? - ANSWER✔✔-single-strand binding proteins


Accuracy in the translation of mRNA into the primary structure of a

polypeptide depends on specificity in the - ANSWER✔✔-bonding of the

anticodon to the codon and the attachment of amino acids to tRNAs




Copyright ©EMILLYCHARLOTE 2025 ACADEMIC YEAR, ALL RIGHTS RESERVED. Page 1/15

, Cytosine makes up 42% of the nucleotides in a sample of DNA from an

organism. Approximately what percentage of the nucleotides in this

sample will be thymine? - ANSWER✔✔-8%


What is the function of DNA polymerase III? - ANSWER✔✔-to add

nucleotides to the 3' end of a growing DNA strand


A new DNA strand elongates only in the 5' to 3' direction because -

ANSWER✔✔-DNA polymerase can only add nucleotides to the free 3' end.


How do we describe transformation in bacteria? - ANSWER✔✔-

assimilation of external DNA into a cell


What is the function of topoisomerase? - ANSWER✔✔-relieving strain in

the DNA ahead of the replication fork


Which enzyme catalyzes the elongation of a DNA strand in the 5' → 3'

direction? - ANSWER✔✔-DNA polymerase III


Which of the following nucleotide triplets best represents a codon? -

ANSWER✔✔-a triplet in the same reading frame as an upstream AUG




Copyright ©EMILLYCHARLOTE 2025 ACADEMIC YEAR, ALL RIGHTS RESERVED. Page 2/15

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