Biology Dictionary

  • Transpiration-cohesion theory

    Transpiration-cohesion theory

    A theory that explains how water is drawn up from the roots of plants to the leaves through capillary action,…

  • Transport protein

    Transport protein

    A protein that assists in the movement of ions, small molecules, or larger macromolecules across cellular membranes.

  • Transport protein n. See carrier protein.

    Transport protein n. See carrier protein.

    A protein that facilitates the movement of substances across biological membranes, often referred to as a carrier protein.

  • Transposable element

    Transposable element

    A DNA sequence that can change its position within the genome, potentially causing mutations and altering the cell’s genetic identity.

  • Transposase

    Transposase

    An enzyme that catalyzes the movement of a transposable element within the genome by cutting and rejoining DNA sequences.

  • Triacylglycerols

    Triacylglycerols

    The most common form of fat storage in organisms, consisting of a glycerol molecule bound to three fatty acid chains.

  • Triassic period

    Triassic period

    The first period of the Mesozoic Era, lasting from about 252 to 201 million years ago, following the Permian and…

  • Triceps

    Triceps

    A large muscle located at the back of the upper arm, responsible for extending the elbow joint.

  • Trichinosis

    Trichinosis

    A parasitic disease caused by consuming undercooked meat infected with *Trichinella* larvae, leading to symptoms such as fever, muscle pain,…

  • Trichloroacetic acid

    Trichloroacetic acid

    A strong organic acid used in chemical synthesis, skin treatments, and as a reagent in laboratory settings.