Frederick Griffith heat-killed a culture of pathogenic bacteria. He split the sample and injected half of it into mice. The mice lived. He then mixed the other half of the sample with a living, nonpathogenic bacteria strain and injected the mixture into mice. The mice died. Which of the following describes a treatment that would help clarify interpretation of these data?

Telomere shortening puts a limit on the number of times a cell can divide. Research has shown that telomerase can extend the life span of cultured human cells. Which of the following best explains the effect of telomerase on cellular aging?

How many quizzes and assignments are included in this class?

What is the basic structural unit of chromatin in eukaryotes?

Which of the following is NOT correct for ChIP-seq and Cut&Run experiments?

Which is the correct order to perform the Cleavage Under Targets & Release Using Nuclease (Cut&Run) experiment?

Which of the following tools can be used to call peaks for ChIP-seq, Cut&Run, and ATAC-seq data?

Find the value(s), if any, of the Boolean variable that satisfies

If you want to eliminate students from guessing, which type of question should you write to best accomplish this?

Rabies is most commonly spread/transmitted by: