A population of ground squirrels has an annual per capita birth rate of 0.06 and an annual per capita death rate of 0.02. Estimate the number of individuals added to (or lost from)  population of 1,000 individuals in one year. 

#Question id: 1458

#Unit 4. Cell Communication and Cell Signaling

Vinblastine is a standard chemotherapeutic drug used to treat cancer. Because it interferes with the assembly of microtubules, its effectiveness must be related to

#Question id: 1459

#Unit 4. Cell Communication and Cell Signaling

Cells from advanced malignant tumors often have very abnormal chromosomes and an abnormal number of chromosomes. What might explain the association between malignant tumors and chromosomal abnormalities?

#Question id: 1460

#Unit 4. Cell Communication and Cell Signaling

One difference between cancer cells and normal cells is that cancer cells

#Question id: 1461

#Unit 4. Cell Communication and Cell Signaling

Which of the following correctly describes a Philadelphia chromosome?

#Question id: 1462

#Unit 4. Cell Communication and Cell Signaling

In a healthy eukaryotic cell, the rate of DNA repair is typically equal to the rate of DNA mutation. When the rate of repair lags behind the rate of mutation, what is a possible fate of the cell?

#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?