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The A site, P site, and E site on the ribosome are structural features that play specific roles during the process of translation. In contrast, initiation, elongation, and termination are phases of the translation …

Explore the melting point and thermodynamics of double-stranded DNA with Khan Academy's free educational resources.

This video explores the digestion process, focusing on the breakdown of four major macromolecules: proteins, carbohydrates, nucleotides, and fats. It highlights the role of various enzymes in this …

DNA: deoxyribonucleic acid, a molecule that encodes the genetic instructions of organisms; the molecule has a double helix shape and consists of simpler units called nucleotides

In transformation, a bacterium takes in DNA from its environment, often DNA that's been shed by other bacteria. In a laboratory, the DNA may be introduced by scientists (see biotechnology article).

These proteins bind to the DNA of the lac operon and regulate its transcription based on lactose and glucose levels. Let's take a look at how this works.

This tree of life helps us understand relationships between organisms. Taxonomy is both an art and a science, with DNA analysis now playing a significant role. Humans are also classified within this …

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