AN INTRODUCTION TO BIOLOGY
The proprieties of life
Cell theory
Mono-cellular and pluri-cellular organisms
Prokaryotic and eukaryotic cell, differences and comparison
Autotroph vs Heterotroph
THE MOLECULAR COMPOSITION OF CELLS
H2O: structure, properties and biological relevance
Carbohydrates: monosaccharides, oligosaccharides and polysaccharides
Lipids: fatty acids, simple lipids, compound lipids and steroids
Proteins: the amino acid residues and the peptide bond; primary, secondary, tertiary and quaternary structures; the main functions of proteins in biological systems
Nucleic acids: nucleotides and phosphodiester bond; structure and functions of DNA, mRNA, tRNA and rRNA; genes, chromosomes and genome; the central dogma of molecular biology, from DNA to proteins
PROKARYOTIC CELL: Structure and functions
EUKARYOTIC CELL: Structure and functions
Plasma Membrane: structure; fluid mosaic model; the role of cholesterol; permeability and transport (passive and facilitated diffusion, osmosis, active transport and co-transport).
Ribosome: structure and functions
Citoplasm: Citosol; Ribosome; Endomembrane system: RER, SER, Golgi apparatus, lysosome, peroxisome, transport vesicles, v-SNARE/t-SNARE, exocytosis and endocytosis; Cytoskeleton: microtubules, intermediate filaments and actin filaments, cilia, flagella, motor proteins; cell movement; the sliding filament model of muscle contraction; Mithocondrion: structure, function and endosymbiotic theory
Nucleus: karyotheca; chromatin packaging, histones and nonhistone proteins, the structure of chromosomes; the functional meaning of euchromatin and heterochromatin; human karyotype; nucleolus and ribosome biogenesis
BIOENERGETICS
ATP and the basic of metabolism
The synthesis of APT from glucose
The chemiosmotic mechanism for ATP production
CELL COMMUNICATIONS
Cell junctions
Autocrine, paracrine, endocrine, neural and neuroendocrine signalling
Membrane receptors- types and signal transduction
Cytoplasmic receptors- molecular mechanisms
THE FLOW OF GENETIC INFORMATION
DNA replication: semi-conservative, bidirectional and semi-discontinuous replication; molecular mechanisms in prokaryotic and eukaryotic cells; replicons; telomeres and telomerase.
Transcription: molecular mechanisms in prokaryotic and eukaryotic cells; maturation of eukaryotic mRNA; NORs and the biosynthesis of rRNA in eukaryotic cells
Genetic code
Translation: loading the tRNA with the aminoacid; molecular mechanisms in prokaryotic cell; co-translational translocation and the main signals in protein sorting in eukaryotic cells (SPR, KDEL, M6P, NLS).
Regulation of gene expression in eukaryotic cells
VIRUSES
General structure
Lytic and lysogenic cycle
Infections of eukaryotic cells
Retroviruses
CELL CYCLE
Interfase
Mitosis
REPRODUCTION AND DEVELOPMENT
Asexual vs. sexual reproduction
Meiosis
Human gametogenesis
Fertilization
GENETICS
Mendelian inheritance: genotype and phenotype, Mendel's laws, the cross-test.
The chromosomal theory of inheritance: Alleles, the genetic significance of meiosis, genetic variability, linked and unlinked genes
Allele interactions: multiple alleles, incomplete dominance, codominance; AB0 blood group system
Sex linked inheritance: sex determination; inactivation of X chromosome, sex linked genes
DNA mutations: Types, causes and biological consequences