How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?

TLS Online TPP Program

#Question id: 240

#Unit 1. Molecules and their Interaction Relevant to Biology

Purines and pyrimidines exist in two tautomeric forms (lactam and lactim); nucleosides exist in two conformations (syn and anti). The most common forms found in cells are

TLS Online TPP Program

#Question id: 241

#Unit 1. Molecules and their Interaction Relevant to Biology

In DNA, phosphodiester bonds form with hydroxyl groups of carbons number ________ and ________ of each deoxyribose sugar.

TLS Online TPP Program

#Question id: 242

#Unit 1. Molecules and their Interaction Relevant to Biology

Cells fed5-methyl uracil (radioactive in the methyl group) will form radioactive ________.

TLS Online TPP Program

#Question id: 243

#Unit 1. Molecules and their Interaction Relevant to Biology

Deoxythymidine is a ________ found mainly in DNA.

TLS Online TPP Program

#Question id: 244

#Unit 1. Molecules and their Interaction Relevant to Biology

The difference between dGMP and GMP is

TLS Online TPP Program

#Question id: 245

#Unit 1. Molecules and their Interaction Relevant to Biology

Adenylate and AMP each contain ________ phosphate groups.