Tuesday, January 31, 2023
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Protein Structure – Properties of Primary, Secondary, Tertiary and Quaternary Structure

Introduction Proteins are polymers of amino acids. The biosynthesis of proteins occurs in every living cell at some point...

Cell Inclusions in Bacteria

Introduction Cell inclusions are prokaryotic organelles, not bound by any unit membrane. These are collections of materials or sites...

Regulation of Breathing and Respiratory Rhythm

Introduction The nervous system normally adjusts the rate of alveolar ventilation almost exactly to the demands of the body...

Thyroid Gland— Synthesis and Physiological Effects of Thyroid Hormones

Introduction The thyroid gland, located immediately below the larynx on each side of and anterior to the trachea, is...

Nodal Tissue and Rhythmic Excitation of Heart

Introduction The human heart has a special system for rhythmic self-excitation and repetitive contraction approximately 100,000 times each day,...

Agaricus – Structure, Reproduction and Life Cycle

Introduction The order Agaricales includes 197 genera and 4,000 species. Most of the species are saprophytic, growing on dead...

Genome Imprinting – Maternal and Paternal Imprinting

Introduction Genomic imprinting is an epigenetic phenomenon that causes genes to be expressed in a 'parent-of-origin' specific manner.

Understanding ECG and The Cardiac Cycle

Introduction The cardiac cycle refers to a complete heartbeat from its generation to the beginning of the next beat,...

Chromosomal Disorders – Aneuploidy, Euploidy and Chromosomal Aberrations

Introduction Chromosome abnormalities (alterations that are large enough to be seen under the microscope) are responsible for a significant...

The Species-Area Curve

What is the Species-Area Relationship Curve? The Species-Area curve is a graphical representation of species richness or number of...