13520 - Animal Biology

Learning outcomes

The course will provide basic knowledge of biology, with particular emphasis on structure, function, reproduction and evolution of the eukaryotic cell, as well as on structure and evolution of selected animal phyla.

Course contents

CHEMISTRY OF LIFE
Ions and molecules of biological interest. Aminoacids and protein structures, nucleotides, nucleic acids. DNA, RNA, ATP. Glucides and lipids.

STRUCTURAL AND FUNCTIONAL ORGANIZATION OF THE CELL.
Prokaryotes: structure. The Eukaryotic cell. Cell membrane. Active, passive, mediated transport, etc. Exocytosis, endocytosis, phagocytosis, pinocytosis. Golgi apparatus, peroxisomes. Mitochondrion. Glycolysis, cellular respiration. Krebs cycle, electron transport chain, oxidative phosphorylation. Cytoskeleton, microfilaments, microtubules, intermediate filaments. Actine, Tubuline. Structure of cilia and flagella. Nucleus. Structure of the nuclear membrane. Chromatine structure. Nucleosomes. Ribosomal DNA organization. Nucleolus. Genome. Genome size. Gene duplications. Repetitive sequences. Transcription. Translation. Messenger RNA. Transfer RNA. Ribosomal RNA. Ribosomes. Protein synthesis. Genetic code.
Cell cycle. Mitosis, Meiosis. Somatic and germ line. Asexual reproductions. Sexual reproduction. Gametogenesis. Fecundation. Parthenogenesis, Gynogenesis, Hybridogenesis.

HEREDITY AND EVOLUTION

Mendel. Codominace, incomplete dominance. Recombination. Gene maps. Sex linked heredity. Gene interactions. Pleiotrophy, Quantitative heredity. Lethal alleles. Penetrance. Expressivity. Point mutations. Chromosome mutations. Genomic mutations. Human aneuploidies. Evidences of Evolution. Darwin. Natural selection. Modern synthesis. Non-adaptative evolution. Gradualism in evolution. Speciation.

THE ORIGIN OF LIFE
Origin of life. Prebiotic synthesis of organic molecules. Miller. Life history on Earth.

BIODIVERSITY
Protists. Ciliata, Sarcodina, Flagellata, Apicomplexa. Characteristics and life cycles of selected pathogen protozoans. Overview on the main animal phyla. Characteristics and life cycles of selected pathogen metazoans.

Readings/Bibliography

Campbell, Reece - Principi di Biologia (Pearson ed.)
Russel, Wolfe, Hertz, Starr & McMillan - Biologia (EdiSES)

Teaching methods

Public lectures.

Assessment methods

The exam consists in an oral talk.

Teaching tools

Lectures, with powerpoint presentations. Powerpoint presentations used during the lessons will be available to students.

Office hours

See the website of Marco Passamonti