DNA
Learn about DNA (deoxyribonucleic acid). Overview of DNA bases, complementary base pairing, and the structure of the double helix.
Learn about DNA (deoxyribonucleic acid). Overview of DNA bases, complementary base pairing, and the structure of the double helix.
Enzymes as catalysts for reactions in biological systems; discussion of substrates, active sites, induced fit, and activation energy.
Clarifying some points on evolution and intelligent design.
This podcast (audio) file explains how electric current can be obtained from the sun through the solar panel using direct illumination of the sun rays
From the extinction of the dinosaurs to humanity.
Overview of fertilisation and early human development. From conception leading to a zygote to blastocyst, embryo and fetus.
Mitosis is how cells divide! Learn what happens in all the phases of mitosis: prophase, metaphase, anaphase, and telophase.
Molecular structure of DNA. Nucleotide. Nitrogenous base, phosphate.
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