Homework Answers
Pyrimidine dimers, translocations and deletions occur due to
radiation.
Inversions do not occur due to Xrays.
Option b is correct answer
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QUESTION 9 Which of the following types of mutations are not caused by X-rays? a.pyrimidine dimers...
Which of the following are consequences of unequal recombination? Deletions Inversions Duplications Transformations Mutations All the...
Which of the following are consequences of unequal recombination? Deletions Inversions Duplications Transformations Mutations All the above Answers (A) and (D) Answers (A), (B), and (C) Answers (A), (B), (C), and (E)
7) When Crick et al. plated large numbers of T4, with suppression mutations only, on K2...
7) When Crick et al. plated large numbers of T4, with suppression mutations only, on K2 what did they find? a) no plaques b) xITA mutant plaques d) IIB mutant plaques c) plaques containing suppressor of suppressor mutations 8) What are the suppressors of the FCO mutation AND how do they work? a) deletions, by preventing the protein from being made b) other phage, work by complementing c) frameshifts, shift the frame back to the correct frame d ) inversions,...
9. Shown below is a list of types of repair systems or repair molecules (a-d) and...
9. Shown below is a list of types of repair systems or repair molecules (a-d) and types of DNA damage or mutations (1-4). On the blank line following each type of damage, write the letter(s) of all repair systems that can repair that particular type of damage. a) Direct repair b) Base-excision repair c) Double-strand break repair d) Nucleotide-excision repair 1) Lesions caused by intercalating agents __________ 2) Pyrimidine dimers B 3) Deamination __________ 4) X-ray damage to chromosomes __________
Which one of the following discoveries resulted in a Nobel Prize? (a) X-rays induce sex-linked recessive...
Which one of the following discoveries resulted in a Nobel Prize? (a) X-rays induce sex-linked recessive lethal mutations (b) eytoplasmic inheritance (c) recombination of linked genes (d) genetic engineering
Place the following types of electromagnetic radiation in order of increasing wavelength. visible light X-rays microwaves...
Place the following types of electromagnetic radiation in order of increasing wavelength. visible light X-rays microwaves A) x-rays < microwaves < visible light B) microwaves < visible light <x-rays C) microwaves < x-rays < visible light D) visible light < x-rays < microwaves E) x-rays < visible light < microwaves ОА B С OD ОЕ
1. In eukaryotes, which DNA polymerase is primarily responsible for filling in the gaps in the...
1. In eukaryotes, which DNA polymerase is primarily responsible for filling in the gaps in the DNA generated during base excision repair? DNA polymerase α DNA polymerase β DNA polymerase γ DNA polymerase ö DNA polymerase μ 2. High energy electromagnetic radiation includes which of the following? ultraviolet light x-rays gamma rays two of the above all three of the above 3. Which of the following types of damage to DNA cannot be caused by x-rays and gamma rays? deletions...
QUESTION 11 DMD is most commonly caused by: A. point mutations in introns B. frameshift mutation...
QUESTION 11 DMD is most commonly caused by: A. point mutations in introns B. frameshift mutation in introns C. point mutations in exons D. frameshift mutations in exons
4. Rank the following types of electromagnetic radiation in order of decreasing energy. X-rays > Ultraviolet...
4. Rank the following types of electromagnetic radiation in order of decreasing energy. X-rays > Ultraviolet > Visible > Microwaves b) Microwaves > Visible > Ultraviolet > X-rays c) Microwaves > Ultraviolet > Visible > X-rays d) X-rays > Visible > Ultraviolet > Microwaves 24. Which of the following arrangements is in order of increasing size? a) Ca2+> K+ > C1-> S2- b) Ca2+ <K+ < Cl< S2- c) 52-> Cl- > Ca2+> K+ d) $2- < Cl- <K+ <...
Cystic fibrosis (CF) is an inherited disorder caused by different types of mutations, many of which...
Cystic fibrosis (CF) is an inherited disorder caused by different types of mutations, many of which prevent ions from moving across cell membranes. Normally there are channel proteins that allow passage of the ions, but in patients with one kind of CF these proteins seem odd. Closer examination shows that these proteins display the correct amino acid sequence. However, they fail to do their job. A) Given that the primary structure of the protein is correct, what can you infer...
Cystic fibrosis (CF) is an inherited disorder caused by different types of mutations, many of which...
Cystic fibrosis (CF) is an inherited disorder caused by different types of mutations, many of which prevent ions from moving across cell membranes. Normally there are channel proteins that allow passage of the ions, but in patients with one kind of CF these proteins seem odd. Closer examination shows that these proteins display the correct amino acid sequence. However, they fail to do their job. A) Given that the primary structure of the protein is correct, what can you infer...
7) When Crick et al. plated large numbers of T4, with suppression mutations only, on K2 what did they find? a) no plaques b) xITA mutant plaques d) IIB mutant plaques c) plaques containing suppressor of suppressor mutations 8) What are the suppressors of the FCO mutation AND how do they work? a) deletions, by preventing the protein from being made b) other phage, work by complementing c) frameshifts, shift the frame back to the correct frame d ) inversions,...
Place the following types of electromagnetic radiation in order of increasing wavelength. visible light X-rays microwaves A) x-rays < microwaves < visible light B) microwaves < visible light <x-rays C) microwaves < x-rays < visible light D) visible light < x-rays < microwaves E) x-rays < visible light < microwaves ОА B С OD ОЕ
QUESTION 11 DMD is most commonly caused by: A. point mutations in introns B. frameshift mutation in introns C. point mutations in exons D. frameshift mutations in exons
4. Rank the following types of electromagnetic radiation in order of decreasing energy. X-rays > Ultraviolet > Visible > Microwaves b) Microwaves > Visible > Ultraviolet > X-rays c) Microwaves > Ultraviolet > Visible > X-rays d) X-rays > Visible > Ultraviolet > Microwaves 24. Which of the following arrangements is in order of increasing size? a) Ca2+> K+ > C1-> S2- b) Ca2+ <K+ < Cl< S2- c) 52-> Cl- > Ca2+> K+ d) $2- < Cl- <K+ <...
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