Basics of Biology
Course 1 - Basics of Biology
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The Cell: Life's Basic Unit
Dr. Benjamin Bikman delves into the fundamentals of biology, focusing on the cell as the basic unit of life, covering seven criteria defining living organisms, cell theory, organelle functions, distinctions between prokaryotic and eukaryotic cells, and the cell membrane role.
Crossing the Cell Wall
Explores cellular transport mechanisms including diffusion, osmosis, channels, transporters, endocytosis, and exocytosis, with examples such as glucose transport in intestinal cells and clinical applications for diabetes treatment.
Biomolecules as Building Blocks
Dr. Bikman describes the four major biomolecules: carbohydrates, lipids, proteins, and nucleic acids, covering enzyme structure and function, catalytic roles, and the central dogma of molecular biology.
The Central Dogma
A detailed study of the central dogma of biology, covering DNA replication, transcription into mRNA, translation into proteins, introns and exons, and environmental factors affecting gene expression.
The Cell Cycle
Explores mitosis and meiosis, their roles in cellular reproduction and growth, cell division stages, chromosomal abnormalities, the SRY gene, hormone receptors in sex determination, and developmental disorders.
Metabolic Mechanisms
Covers cellular metabolism including catabolism, anabolism, glucose and fat metabolism through glycolysis, beta-oxidation, and the citric acid cycle, comparing mitochondrial metabolism with plant cell photosynthesis.
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