Colchicine is a toxin that binds to tubulin proteins and prevents microtubules from elongating. What effect might this have on dividing cells?

A typical function of a protein encoded by a tumor-suppressor gene is to

What happens when allolactose levels increase in E. coli?

The pattern of inheritance called maternal inheritance can be explained by

Which of the following is always found in a virus?

Hemophilia is an X-linked, recessive disorder. A couple, neither of whom has hemophilia, produces a son with hemophilia. Which of the following statements is true?

Hemophilia is an X-linked, recessive disorder. A couple, neither of whom has hemophilia, produces a son with hemophilia. Which of the following statements is true?

A protein that binds to the DNA and inhibits transcription is called

At the start of mitosis, sister chromatids are bound together by a… 

A mechanism that makes the bacterial chromosome more compact is