Which of the Following May Serve as a Molecular Clock

question 20

Multiple Choice

Which of the following may serve as a molecular clock that measures the approximate time since two related species diverged?

• A) tRNA
• B) mRNA
• C) rRNA
• D) sRNA
• E) tmRNA

---

Definitions:

Cell Biology

The branch of biology that studies the structure, function, and behavior of cells.

Cancer Research

The scientific study dedicated to understanding cancer causes, development, and treatments with the goal of finding a cure or improving patient outcomes.

Harvard University

A prestigious private Ivy League research university located in Cambridge, Massachusetts, established in 1636, it is one of the oldest institutions of higher education in the United States.

Steven Pinker

Steven Pinker is an influential Canadian-American cognitive psychologist, linguist, and popular science author known for his works on language and the human mind.