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. Animals

    A new drug mix helps frogs regrow amputated legs

    The treatment helped frogs grow working limbs useful for swimming, standing and kicking. It’ll be a while before people can do that.

    By
  2. Life

    Scientists Say: Eukaryote

    Eukaryotes are living things whose cells package their genetic material inside a pouch called a nucleus.

    By
  3. Genetics

    DNA in air can help ID unseen animals nearby

    Analyzing these genetic residues in air offers a new way to study animals. It could give scientists a chance to monitor rare or hard to find animals.

    By
  4. Genetics

    Explainer: What is RNA?

    A partner to DNA, cells use this molecule to translate the instructions for making all of the many proteins that your body needs to function.

    By
  5. Animals

    Engineers surprised by the power of an elephant’s trunk

    An elephant's trunk can suck air through it fast — at more than 335 miles per hour (150 meters per second)!

    By
  6. Plants

    Scientists Say: Pollen

    Pollen is a mass of tiny reproductive cells. These grains combine with egg cells to form seeds — but on the way, they can make some people miserable.

    By
  7. Health & Medicine

    Cool Jobs: Saliva offers a spitting image of our health

    Scientists are using this secretion to study our body’s functions, to test for disease and even to diagnose injury.

    By
  8. Animals

    Science and Indigenous history team up to help spirit bears

    When scientists and Indigenous people work together, their efforts can benefit bears and people.

    By
  9. Genetics

    Let’s learn about DNA

    DNA is made of two chemical chains twisted around each other. It stores information that allows cells to grow and function.

    By