science yr 10 tetm1/2.5

    Master this deck with 19 terms through effective study methods.

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    What is the shape of DNA?

    Twisted ladder structure known as a double helix.

    What are genes?

    Segments of DNA that determine traits.

    How do genes contribute to heredity?

    They pass traits from parents to offspring.

    What is a chromosome?

    Packaged DNA that contains tightly coiled genetic material.

    How do eukaryotic chromosomes typically appear?

    They often form an 'X' shape.

    What is the role of nitrogenous bases in DNA?

    They pair with complementary bases to hold the strands together.

    What distinguishes RNA from DNA?

    RNA contains uracil instead of thymine.

    What happens during transcription?

    A specific gene unwinds to produce RNA.

    Why are proteins important?

    They are essential for growth, development, and cellular processes.

    What is mitosis?

    Cell division that produces identical daughter cells.

    What occurs during prophase of mitosis?

    Chromosomes condense and the nucleus breaks down.

    What is cytokinesis?

    The process of the cell splitting into two identical cells.

    What is the outcome of meiosis?

    Production of unique haploid gametes.

    What happens during crossing over in meiosis?

    Homologous chromosomes exchange segments of genetic material.

    What is the difference between diploid and haploid cells?

    Diploid cells have two sets of chromosomes; haploid cells have one.

    What defines sexual reproduction?

    Fusion of gametes from two parents to create unique offspring.

    What is asexual reproduction?

    Reproduction involving a single parent producing genetically identical offspring.

    What is binary fission?

    Cell division in single-celled organisms producing identical offspring.

    What is a clone?

    An organism genetically identical to its parent.