Answered: sformation can be transient or stable,…

sformation can be transient or stable, depending on how long the foreign DNA persists in ell. n birini seçin: True False

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter9: Molecular Biology

Section: Chapter Questions

Problem 5RQ: The initial mechanism for repairing nucleotide errors in DNA is _____. a. mismatch repair b. DNA...

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Concept explainers

Viral Replication

The virus is acellular and considered non-living outside the host cell. The replication of the virus occurs only inside the living cells. Only a few genes are present in the smallest virus, whereas many genes are present in the largest virus. These genes encode specific viral proteins.

Question

Transformation can be transient or stable, depending on how long the foreign DNA persists in
the cell.
Lütfen birini seçin:
a. True
O b. False

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In nucleotide excision repair in E. coli, the function of the UvrA/UvrB complex is toa. detect DNA damage.b. make cuts on both sides of the damage.c. remove the damaged piece of DNA.d. replace the damaged DNA with undamaged DNA.
A DNA polymerase enzyme inherently incorporates an incorrect nucleotide at a low but measurable rate. Such a mutation is termed _______. A) spontaneous B) lysogenic C) transformative D) transductive E) induced
Which of the following statements describe reversal of DNA repair mechanism. A. UV light blocks the translation of mRNA beyond the damaged area B. Reversal of DNA repair mechanism requires a DNA template C. UV light is needed to initiate the formation of pyrimidine dimers D. None of the statement is correct
In an EMSA, the binding of a protein to DNAa. prevents the DNA from being digested with a restrictionenzyme.b. causes the DNA to migrate more slowly through a gel.c. causes the DNA to migrate more quickly through a gel.d. inhibits the expression of any genes within the DNA.
Restriction enzymes found in bacterial cells are ordinarily useda. during DNA replication.b. to degrade the bacterial cell’s DNA.c. to degrade viral DNA that enters the cell.d. to attach pieces of DNA together.
Defects in the excision repair process may result in : A. Mutations B. Okazaki fragments C. Excess DNA polymerase activity D. Shortened telomeres
Match the E. coli mismatch repair enzyme on the left with the appropriate function on the right. MutS MutH MutL a. facilitates the looping of the region of DNA to be replaced b. distinguish between parental and newly-synthesized DNA c. locates mismatches in the DNA
Following a CRISPR mediated DNA double-strand break, how can the DNA be repaired by the cell? Choose all that apply. A. Base pairing between complementary sticky sides. B. Nonhomologous end joining. C. Homology directed repair. D. Crossing over between nonhomologous chromosomes.
In gel electrophoresis of DNA, the different bands in the final gel form because the DNA molecules ________.a. are from different organismsb. have different lengthsc. have different nucleotide compositionsd. have different genes
Double-strand breaks can be repaired bya. homologous recombination repair (HRR).b. nonhomologous end joining (NHEJ).c. nucleotide excision repair (NER).d. both a and b.
Double-strand breaks can be repaired bya. homologous recombination repair (HRR).b. nonhomologous end joining (NHEJ).c. nucleotide excision repair (NER).d. either a or b.
When E. coli cells are mixed with recombinant vector DNA and subject to a stress such as heat shock, a small fraction of the cells will take up the plasmid DNA, a process known as : A. Ligation. B. Transformation. C. Transfection. D. Digestion.