As an Amazon Associate I earn from qualifying purchases.

Molecular clock Notes: Definitions & Explanations PDF | Download eBooks

Download Molecular clock Notes App (Play Store) Download Molecular clock Notes App (App Store)

Study Molecular clock lecture notes PDF with biology definitions and explanation to study What is Molecular clock?. Study molecular clock explanation with biology terms to review biology course for online degree programs.

Molecular clock Definition:

  • Molecular clock is an approach for measuring the absolute time of evolutionary change based on the observation that some genes and other regions of genomes appear to evolve at constant rates.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson



Molecular clock Notes:

The molecular clock is figurative term for a technique that uses the mutation rate of biomolecules to deduce the time in prehistory when two or more life forms diverged. The biomolecular data used for such calculations are usually nucleotide sequences for DNA or amino acid sequences for proteins.

Keep Learning with Biology Notes

What are Gap junctions?

Gap junctions are a specialized intercellular connection between a multitude of animal cell-types. They directly connect the cytoplasm of two ...

What is Feedback inhibition?

Feedback inhibition is the phenomenon where the output of a process is used as an input to control the behavior ...

What is Abscisic Acid?

ABA has several functions. It Inhibits growth, promotes stomatal closure during drought stress, promotes seed dormancy and inhibits earlygermination, promotes ...

What is Hypertonic?

Hypertonic refers to a solution with higher osmotic pressure than another solution. In other words, a hypertonic solution is one ...

What are Plasmids?

A plasmid is a small DNA molecule within a cell that is physically separated from chromosomal DNA and can replicate ...

What is Thigmomorphogenesis?

Thigmomorphogenesis is the response by plants to mechanical sensation by altering their growth patterns. In the wild, these patterns can ...