compulsory course

Schleiden and Wang Shi established the cell theory. Reveals the unity of cell and organism structure.

The discoverer and namer of Hooke battery.

Wei Erxiao has a famous saying, "All cells are derived from pre-existing cells."

Irvington believes that cell membranes are composed of lipids.

Sanger and Nixon proposed a fluid mosaic model.

Priestley plants can renew the air polluted by candle burning or mouse breathing.

Ingerhouse's plants can only renew the polluted air under the light.

Sachs proved that the products of photosynthesis include starch in addition to oxygen.

Rubin and Carmen used isotope labeling to prove that the oxygen released by photosynthesis came from water.

Calvin discovered the process that carbon in carbon dioxide is converted into organic matter in photosynthesis.

Compulsory Two

The father of Mendel genetics discovered the phenomenon of gene separation and the law of gene free combination.

Sutton put forward the hypothesis that genes are on chromosomes.

Morgan used Drosophila experiments to prove that the gene was located on the chromosome. Discover the law of gene linkage

There are "transformation factors" in the S-type bacteria killed by Griffith pneumococcal transformation experiment.

Avery proved that DNA is the substance that makes R-type bacteria have stable genetic changes.

Hershey and Chase's T2 phage infection experiment proved that DNA is genetic material.

Watson and Crick constructed a model of DNA double helix structure.

Crick put forward the central rule.

Lamarck 1. Oppose creationism, 2. Use and discard, and acquired inheritance, 3. Biology gradually evolved from low level to high level.

Darwin's theory of natural selection

Compulsory three

Darwin's unilateral illumination caused some stimulation at the top of coleoptile. When this stimulus is transmitted to the lower elongation area, it will cause the backlight surface to grow faster than the smooth surface, resulting in phototropic bending.

The stimulation generated by the top of Zhan Sen coleoptile can be transmitted to the lower part through agar plate,

The bending growth of Bayer coleoptile is caused by the uneven distribution of stimulation generated by the top at its lower part.

Winter proved that the stimulus that causes the coleoptile to bend is a chemical substance and named it auxin.

Experiment of paramecium population growth Gaussian competition experiment of paramecium size.