HS-LS1-1

Construct an explanation based on evidence for how the structure of DNA determines the structure of proteins which carry out the essential functions of life through systems of specialized cells.

More Stories in HS-LS1-1

  1. Genetics

    Your DNA is an open book — but can’t yet be fully read

    There are many companies that offer to read your DNA. But be prepared: They cannot yet fulfill all those promises you read in their ads.

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  2. Animals

    Orca snot leads to a whale of a science-fair project

    DNA found in the mucus of orcas suggests that even though the traits of family pods may differ, these marine mammals all appear to belong to a single species.

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  3. Life

    Inked mice hint at how tattoos live on

    Tattooed mice challenge our current understanding of how tattoos stay in humans.

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  4. Chemistry

    Cool Jobs: Diving for new medicines

    Scientists mix research with underwater adventure as they search the oceans for new chemicals to treat infections, cancer and more.

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  5. Genetics

    Explainer: DNA hunters

    Snippets of DNA can be left behind by a passing organism. Some researchers now act as wildlife detectives to identify the sources of such cast-off DNA.

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  6. Genetics

    Explainer: Why scientists sometimes ‘knock out’ genes

    How do we learn what a particular molecule does in the body? To find out, scientists often 'knock out' the gene that makes it. Here’s how.

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  7. Health & Medicine

    Explainer: What is a hormone?

    Various tissues secrete special chemicals, known as hormones. They travel, usually in blood, to a particular distant site where they tell certain cells it’s time to go to work.

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