Bio 181 Grand Canyon University Exam 3 EXAM fully solved & updated
(latest version verified for accuracy) (Questions + Answers) Solved 100%
Correct!!
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
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
, Bio 181 Grand Canyon University Exam 3 EXAM fully solved & updated
(latest version verified for accuracy) (Questions + Answers) Solved 100%
Correct!!
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
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 organisms that are heterozygous for two characters and a monohybrid cross involves only
one.
How many unique gametes could be produced through independent assortment by an individual with
the genotype AaBbCCDdEE ?
a) 4
b) 8
c) 16
d) 32
e) 64 - (answer)b) 8
Why did the F1 offspring of Mendel's classic pea cross always look like one of the two parental varieties?
a) no genes interacted to produce the parental phenotype.
b) each allele affected phenotypic expression.
c) the traits blended together during fertilization.
(latest version verified for accuracy) (Questions + Answers) Solved 100%
Correct!!
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
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
, Bio 181 Grand Canyon University Exam 3 EXAM fully solved & updated
(latest version verified for accuracy) (Questions + Answers) Solved 100%
Correct!!
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
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 organisms that are heterozygous for two characters and a monohybrid cross involves only
one.
How many unique gametes could be produced through independent assortment by an individual with
the genotype AaBbCCDdEE ?
a) 4
b) 8
c) 16
d) 32
e) 64 - (answer)b) 8
Why did the F1 offspring of Mendel's classic pea cross always look like one of the two parental varieties?
a) no genes interacted to produce the parental phenotype.
b) each allele affected phenotypic expression.
c) the traits blended together during fertilization.
