State whether the following statements is true/false regarding DNA replication.

1. The polymerization of DNA is essentially irreversible due to the hydrolysis of pyrophosphate.

2. On average about twenty errors are made during each replication of the human genome.

3. DNA polymerase I possesses 5ʹ → 3ʹ exonuclease activity.

4. All DNA ligase enzymes use ATP as a cosubstrate.

5. The purpose of SSB is to prevent single-stranded DNA from folding back on itself to form double-helical regions.

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#Question id: 15118

#Unit 8. Inheritance Biology

In dominant disorder only normal/affected individuals are appeared in population then what will be the correct expression of Hardy-Weinberg principle

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#Question id: 21273

#Unit 12. Applied Biology

Which one of the following sensors measures compression, shear forces, and tension?

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#Question id: 12927

#Unit 13. Methods in Biology

When the ends cut by enzyme are not only identical but complementary and will base pair with each other they are therefore known as _______

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#Question id: 5601

#Unit 5. Developmental Biology

A mode of cell commitment in which the blastomere inherits a determinant, usually a set of transcription factors from the egg cytoplasm, and these transcription factors regulate gene expression to direct the cell into a particular path of development, termed as

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#Question id: 11942

#Unit 7. System Physiology – Animal

A patient’s urine is collected for 2 hr, and the total volume is 600 ml during this time. Her urine osmolarity is 150 mOsm/L, and her plasma osmolarity is 300 mOsm/L. What is her “free water clearance”?