#Question id: 341
#Unit 1. Molecules and their Interaction Relevant to Biology
Which force can stabilize a DNA double-helix?
#Question id: 339
#Unit 1. Molecules and their Interaction Relevant to Biology
The edges of each base pair are exposed in the major and minor grooves, creating a pattern of hydrogen-bond donors and acceptors and of hydrophobic groups (allowing for Vander Waals interactions) that identifies the base pair. The edge of an C : G base pair displays the following chemical groups in the following order in the major groove:
#Question id: 338
#Unit 1. Molecules and their Interaction Relevant to Biology
What is the difference between covalent bonds and ionic bonds?
#Question id: 337
#Unit 1. Molecules and their Interaction Relevant to Biology
Which statement below is true about the relative lifetime of a hydrogen bond, compared to the rate of water’s ionization to hydroxide ions and hydronium ions?
#Question id: 336
#Unit 1. Molecules and their Interaction Relevant to Biology
Which would you expect to be most soluble in water?
#Question id: 335
#Unit 1. Molecules and their Interaction Relevant to Biology
Suppose the major solutes in intact lysosomes are KCl (~0.1 M) and NaCl (~0.03 M). When isolating lysosomes, what concentration of sucrose is required in the extracting solution at room temperature (25 °C) to prevent swelling and lysis?