Foundations11 lessons

Foundations

First principles, central ideas, and beginner-friendly orientation for understanding the field.

Use this hub as a guided doorway into the topic: start with the first lesson, build the vocabulary, then branch into related explainers.

Lightweight learning path

Start with the language of the field

Begin here if molecular biology still feels like a cloud of unfamiliar terms and disconnected processes.

  1. Step 17 min read
    What Is Molecular Biology?
  2. Step 27 min read
    Molecular Biology vs Genetics vs Biochemistry
  3. Step 38 min read
    The Central Dogma Explained Simply

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BeginnerFoundations
#1

What Is Molecular Biology?

The field that studies how DNA, RNA, and proteins interact inside living cells.

Starts the Foundations series

7 min read5 termsCovers 5 glossary terms
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Glossary support

Terms that anchor this topic

These definitions help keep the vocabulary attached to the ideas instead of floating on their own.

Amino acid

Proteins

One of the small molecular building blocks that link together to form proteins.

Centromere

Genetics

The constricted region of a chromosome where sister chromatids are most tightly joined.

Allele

Genetics

One of two or more versions of a gene at the same location on a chromosome.

Base pair

DNA

Two nucleotides on opposite DNA strands held together by hydrogen bonds (A-T, G-C).

Chromosome

Genetics

A long, organized package of DNA and protein found in the cell nucleus.

Codon

RNA

A sequence of three RNA bases that codes for one amino acid or a stop signal.

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