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c785 study guide PA
c785 study guide PA
Complementary DNA and/or RNA molecules pair with each other by
hydrogen bonding during replication, transcription, or translation. Which of
✅
the following pairs of molecules are complementary? (Select all that apply)
- -tRNA and mRNA
mRNA and template DNA
During DNA replication the parent strands ______ and DNA
polymerase______. - -separate, creates the new DNA strands
The following sequence is one strand of the DNA that makes up the SNCA
gene that codes for alpha-synuclein, a protein found in the brain. 5'
ATGCGGTGACGG 3' Which of the following is the complementary second
DNA strand? - -5' CCGTCACCGCAT 3'
Assume you start with one copy of target DNA. How many copies of DNA
will be made after 4 rounds of PCR (assume 100% reaction efficiency)? -
-16
What are the necessary ingredients for a PCR reaction? - -dNTPs;
thermostable DNA polymerase; DNA primers; double-stranded DNA
A frameshift mutation changed this sequence 5' AAC GCT TAG 3' to which
of the following? - -3' GAT TCG CA 5'
Which choice represents a silent mutation for this sequence: 5' GGU UGC
ACU 3'? - -5' GGU UGC ACA 3'
Beta thalassemia is a disease that causes low levels of hemoglobin. To
inherit this autosomal disease, an individual must receive two mutant
alleles. Which of the following likely represents the chromosome pairs of a
healthy parent who has a child with beta thalassemia? (The yellow band
represents the mutant allele and the green band represents the normal
allele.) * - -Option 3- The chromosomes of a healthy parent who has a
child with beta thalassemia must be a carrier of the disease, i.e. the parent
must have one copy of the (dominant) normal allele and one copy of the
(recessive) mutant allele.
Your black dog and your friend's white dog have puppies. If inheritance of
coat color is co-dominant, the coat color of the puppies will be
________________, the color will be _______________ if incompletely
dominant, and it will be _______________ if it is complete dominant -
-Black-and-white spotted, gray, black
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Freidreich's ataxia is an autosomal recessive disorder that results from
multiple GAA insertions into the FXN gene. Which of the following best
✅
illustrates the inheritance pattern of Freidreich's ataxia in a family with the
disease? - -None of these pedigrees are consistent with an
autosomal recessive pattern.
The pedigree chart for Option 3 shows evidence of carriers, and both males
and females have Friedrich's ataxia in this chart. These properties of the
chart indicate that it is for an autosomal recessive disease.
Increased IGF2 expression is associated with many types of cancer.
Studies have shown that when mothers take folic acid before conception,
children have increased methylation of this gene. Which of the following is
the best explanation for how this increased methylation could be
beneficial? - -The increased methylation decreases the space
between nucleosomes, decreasing the expression of the IGF2 gene.
Which of the following sequences represents a coding strand of DNA that
leads to the production of the following polypeptide chain: Tyr Cys Val -
-5' TAC TGT GTA 3'
Which of the following accurately compares DNA mismatch repair and
nucleotide excision repair? - -Both processes involve recognition of
the section requiring repair, removal of this section, replacement of the
bases with DNA polymerase, and ligation.
Which of the following best describes the role of nonhomologous end
joining? - -When there are double stranded breaks, this process joins
the ends of the DNA together to fix the break.
The _____ and _____ are common to all amino acids but the ______ is
unique to each amino acid. - -Carboxyl group, amino group, R group
Which of the following amino acids would form an ionic bond with lysine? -
-Option 4-To form an ionic bond, a positively charged amino acid, like
lysine, must form a bond with a negatively charged amino acid.
17. What portion of the amino acid is located inside the red box? -
-Carboxyl group
Which of the following pairs of amino acids would form a hydrophobic
interaction? - -Option 1-both of the amino acids are hydrophobic (their
side-chains end with -CH2).
uestions
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c785 study guide PA
c785 study guide PA
Complementary DNA and/or RNA molecules pair with each other by
hydrogen bonding during replication, transcription, or translation. Which of
✅
the following pairs of molecules are complementary? (Select all that apply)
- -tRNA and mRNA
mRNA and template DNA
During DNA replication the parent strands ______ and DNA
polymerase______. - -separate, creates the new DNA strands
The following sequence is one strand of the DNA that makes up the SNCA
gene that codes for alpha-synuclein, a protein found in the brain. 5'
ATGCGGTGACGG 3' Which of the following is the complementary second
DNA strand? - -5' CCGTCACCGCAT 3'
Assume you start with one copy of target DNA. How many copies of DNA
will be made after 4 rounds of PCR (assume 100% reaction efficiency)? -
-16
What are the necessary ingredients for a PCR reaction? - -dNTPs;
thermostable DNA polymerase; DNA primers; double-stranded DNA
A frameshift mutation changed this sequence 5' AAC GCT TAG 3' to which
of the following? - -3' GAT TCG CA 5'
Which choice represents a silent mutation for this sequence: 5' GGU UGC
ACU 3'? - -5' GGU UGC ACA 3'
Beta thalassemia is a disease that causes low levels of hemoglobin. To
inherit this autosomal disease, an individual must receive two mutant
alleles. Which of the following likely represents the chromosome pairs of a
healthy parent who has a child with beta thalassemia? (The yellow band
represents the mutant allele and the green band represents the normal
allele.) * - -Option 3- The chromosomes of a healthy parent who has a
child with beta thalassemia must be a carrier of the disease, i.e. the parent
must have one copy of the (dominant) normal allele and one copy of the
(recessive) mutant allele.
Your black dog and your friend's white dog have puppies. If inheritance of
coat color is co-dominant, the coat color of the puppies will be
________________, the color will be _______________ if incompletely
dominant, and it will be _______________ if it is complete dominant -
-Black-and-white spotted, gray, black
uestions
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c785
and Answers
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c785
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and Answers Solved 100% Correct!!.pdf!@@@@@@@@!!!!!!!!!!!!!!!!!!!!!
Freidreich's ataxia is an autosomal recessive disorder that results from
multiple GAA insertions into the FXN gene. Which of the following best
✅
illustrates the inheritance pattern of Freidreich's ataxia in a family with the
disease? - -None of these pedigrees are consistent with an
autosomal recessive pattern.
The pedigree chart for Option 3 shows evidence of carriers, and both males
and females have Friedrich's ataxia in this chart. These properties of the
chart indicate that it is for an autosomal recessive disease.
Increased IGF2 expression is associated with many types of cancer.
Studies have shown that when mothers take folic acid before conception,
children have increased methylation of this gene. Which of the following is
the best explanation for how this increased methylation could be
beneficial? - -The increased methylation decreases the space
between nucleosomes, decreasing the expression of the IGF2 gene.
Which of the following sequences represents a coding strand of DNA that
leads to the production of the following polypeptide chain: Tyr Cys Val -
-5' TAC TGT GTA 3'
Which of the following accurately compares DNA mismatch repair and
nucleotide excision repair? - -Both processes involve recognition of
the section requiring repair, removal of this section, replacement of the
bases with DNA polymerase, and ligation.
Which of the following best describes the role of nonhomologous end
joining? - -When there are double stranded breaks, this process joins
the ends of the DNA together to fix the break.
The _____ and _____ are common to all amino acids but the ______ is
unique to each amino acid. - -Carboxyl group, amino group, R group
Which of the following amino acids would form an ionic bond with lysine? -
-Option 4-To form an ionic bond, a positively charged amino acid, like
lysine, must form a bond with a negatively charged amino acid.
17. What portion of the amino acid is located inside the red box? -
-Carboxyl group
Which of the following pairs of amino acids would form a hydrophobic
interaction? - -Option 1-both of the amino acids are hydrophobic (their
side-chains end with -CH2).
uestions
Exam Review
c785
and Answers
study
2024guide
- 2025
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PAQuestions
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and Answers
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