Bio 181 Grand Canyon University Exam 3 Updated Exam 2026 WITH
Recent Newest Verified And Well Analyzed Exam Questions (Actual
Exam 2026-2027) Correct Detailed & Verified ANSWERS (100%
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How do we describe transformation in bacteria? -ANSWERS-assimilation
of external DNA into a cell
What is the function of topoisomerase? -ANSWERS-relieving strain in the
DNA ahead of the replication fork
Which enzyme catalyzes the elongation of a DNA strand in the 5' → 3'
direction? -ANSWERS-DNA polymerase III
Accuracy in the translation of mRNA into the primary structure of a
polypeptide depends on specificity in the -ANSWERS-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? -ANSWERS-8%
What is the function of DNA polymerase III? -ANSWERS-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 -
ANSWERS-DNA polymerase can only add nucleotides to the free 3' end.
, An Okazaki fragment has which of the following arrangements? -
ANSWERS-DNA polymerase I, DNA polymerase III
What do we mean when we use the term monohybrid cross and dihybrid
cross? -ANSWERS-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 -ANSWERS-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.
d) one phenotype was completely dominant over another.
e) different genes interacted to produce the parental phenotype. -
ANSWERS-d) one phenotype was completely dominant over another.
When crossing an organism that is homozygous recessive for a single trait
with a heterozygote, what is the chance of producing an offspring with the
homozygous recessive phenotype? -ANSWERS-50%
Recent Newest Verified And Well Analyzed Exam Questions (Actual
Exam 2026-2027) Correct Detailed & Verified ANSWERS (100%
Accurate Solutions) ALREADY GRADED A+||NEWEST VERSION Of
The Exam Guarantee Pass!!
How do we describe transformation in bacteria? -ANSWERS-assimilation
of external DNA into a cell
What is the function of topoisomerase? -ANSWERS-relieving strain in the
DNA ahead of the replication fork
Which enzyme catalyzes the elongation of a DNA strand in the 5' → 3'
direction? -ANSWERS-DNA polymerase III
Accuracy in the translation of mRNA into the primary structure of a
polypeptide depends on specificity in the -ANSWERS-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? -ANSWERS-8%
What is the function of DNA polymerase III? -ANSWERS-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 -
ANSWERS-DNA polymerase can only add nucleotides to the free 3' end.
, An Okazaki fragment has which of the following arrangements? -
ANSWERS-DNA polymerase I, DNA polymerase III
What do we mean when we use the term monohybrid cross and dihybrid
cross? -ANSWERS-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 -ANSWERS-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.
d) one phenotype was completely dominant over another.
e) different genes interacted to produce the parental phenotype. -
ANSWERS-d) one phenotype was completely dominant over another.
When crossing an organism that is homozygous recessive for a single trait
with a heterozygote, what is the chance of producing an offspring with the
homozygous recessive phenotype? -ANSWERS-50%
