#Question id: 387
#Unit 1. Molecules and their Interaction Relevant to Biology
For a weak acid with a pKa of 6.0, What would be the ratio of acid to salt at pH 5.
#Question id: 2180
#Unit 2. Cellular Organization
How does inhibition of the Na+/K+ ATPase increase the force of heart muscle contraction?
#Question id: 1445
#Unit 4. Cell Communication and Cell Signaling
Germ-line mutations in which of the following has(have) been implicated in hereditary cancers?
#Question id: 1195
#Unit 4. Cell Communication and Cell Signaling
Growth factors are local regulators that:
#Question id: 2528
#Unit 2. Cellular Organization
Cell walls of prokaryotes, fungi, algae, and plants differ from each other in chemical composition and molecular structure, yet they all serve three common functions:
a) regulating cell volume
b) determining cell shape
c) mechanically protecting the delicate protoplast against biochemical and physical assaults
d) used to make synthetic fibers
Which of the following common functions is correct?