Which of the following proteins activate the target gene expression with co-activator β-catenin ?

#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: 341

#Unit 1. Molecules and their Interaction Relevant to Biology

 Which force can stabilize a DNA double-helix?

#Question id: 342

#Unit 1. Molecules and their Interaction Relevant to Biology

In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by ________.

#Question id: 343

#Unit 1. Molecules and their Interaction Relevant to Biology

Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?

#Question id: 344

#Unit 1. Molecules and their Interaction Relevant to Biology

The partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule. What is this attraction called?

#Question id: 345

#Unit 1. Molecules and their Interaction Relevant to Biology

As the [H₃O⁺] of the solution decreases, the [OH-] ________.