A. In mammalian systems the DNA polymerase does not have a 5’–3’ exonuclease activity

B. In eukaryotes Synthesis of an Okazaki fragment displaces the RNA primer of the preceding fragment in the form of a “flap.”

C. FEN1 functions as an endonuclease and also has a 5’–3’ exonuclease activity

D. FEN1 prevents deletions or duplications in the genome.

Choose true and false

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#Question id: 14500

#Unit 13. Methods in Biology

A fair die is tossed 180 times. The expected number of sixes is

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#Question id: 26968

#Unit 10. Ecological Principles

Frequency of density-dependent mortalities in animal populations, which of the following are the correct reasons for mortality in animals?

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#Question id: 10332

#Unit 9. Diversity of Life Forms

The four-chambered hearts of birds and the four-chambered hearts of mammals evolved independently of each other. If one were unaware of this independence, then one might logically conclude that

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#Question id: 1680

#Unit 4. Cell Communication and Cell Signaling

Where are the MHC class II region genes in the mouse located?

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#Question id: 3881

#Unit 3. Fundamental Processes

Which one of the following statements about mRNA stability is true?