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TLS Online TPP Program

#Question id: 3640

Which of the following is true for the mechanism of excision repair?

#Unit 3. Fundamental Processes

  1. Endonuclease cleavage removes a portion of the damaged strand.

  2. The gap is filled in by DNA polymerase I

  3. The sugar-phosphate backbone is resealed by DNA ligase.

  4. All of the above are correct.

More Questions
TLS Online TPP Program

#Question id: 692

#Unit 1. Molecules and their Interaction Relevant to Biology

 In the alpha helix the hydrogen bonds:
TLS Online TPP Program

#Question id: 5800

#Unit 8. Inheritance Biology

A frameshift mutation could be caused by:
TLS Online TPP Program

#Question id: 11187

#Unit 7. System Physiology – Animal

Refer to the following graph of an action potential to answer the question.



The membrane's permeability to sodium ions is greatest at label ________.
TLS Online TPP Program

#Question id: 6961

#Unit 5. Developmental Biology

Do HOX genes play a role in the development of C. elegans?
TLS Online TPP Program

#Question id: 19108

#Unit 8. Inheritance Biology

Assume that mating is random. Colorblindness is an X-linked recessive trait that is found in about 5 percent of males. What fraction of females are heterozygous carriers of the colorblindness allele?