About 90 results
Open links in new tab
  1. Khan Academy | Khan Academy

    Oops. Something went wrong. Please try again. Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.

  2. DNA replication (article) | Khan Academy

    During DNA replication, the two strands of the DNA double helix are unwound and separated by enzymes. Each strand then serves as a template, or guide, for synthesizing a new, …

  3. Leading and lagging strands in DNA replication - Khan Academy

    DNA replication is a precise process where DNA unwinds and splits into two strands. Each strand then serves as a template for a new DNA molecule. The leading strand is built continuously, …

  4. DNA structure and replication review (article) | Khan Academy

    DNA replication occurs through the help of several enzymes. These enzymes "unzip" DNA molecules by breaking the hydrogen bonds that hold the two strands together.

  5. DNA function & structure (with diagram) (article) | Khan Academy

    In order to understand the biological function of DNA, you first need to understand its molecular structure. This requires learning the vocabulary for talking about the building blocks of DNA, …

  6. Khan Academy

    Khan Academy ... Khan Academy

  7. Restriction enzymes & DNA ligase (article) | Khan Academy

    How can pieces of DNA from different sources (such as a human gene and a bacterial plasmid) be joined together to make a single DNA molecule? One common method is based on …

  8. Antiparallel structure of DNA strands (video) | Khan Academy

    DNA structure consists of two strands, each with a backbone of alternating phosphate and sugar groups. These strands are linked by complementary nitrogenous bases, forming a ladder-like …

  9. Nucleic acids (article) | Khan Academy

    Deoxyribonucleic acid, or DNA, chains are typically found in a double helix, a structure in which two matching (complementary) chains are stuck together, as shown in the diagram at left.

  10. Replication (practice) | DNA replication | Khan Academy

    In which of the following diagrams of DNA replication are the enzymes correctly labeled?