#Question id: 33358
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 2818
#Unit 2. Cellular Organization
Human mitochondrial DNA
#Question id: 1463
#Unit 4. Cell Communication and Cell Signaling
In colorectal cancer, several genes must be mutated for a cell to develop into a cancer cell. Which of the following kinds of genes would you expect to be mutated?
#Question id: 177
#Unit 1. Molecules and their Interaction Relevant to Biology
The titration curve of alanine shows the ionization of two functional groups with pKa values of 2.34 and 9.69, corresponding to the ionization of the carboxyl and the protonated amino groups, respectively. The titration of di-, tri-, and larger oligopeptides of alanine also shows the ionization of only two functional groups, although the experimental pKa values are different. The trend in pKa values is summarized in the table. Which of the following is a reason for this shift in pK values
#Question id: 1413
#Unit 4. Cell Communication and Cell Signaling
Which of the following is a feature that defines a cell dying in response to tissue damage (necrosis)?