¨Viruses are transmitted via horizontal (common route of transmission: person to person), and vertical (mother-to-child transmission) routes or vector transmission (from mosqui- toes, animals;
Protists are unicellular organisms that
have a nucleus.
Can be classified according to
their nutrition:
•A virus is a non-cellular particle made up of genetic material and protein that can invade living cells.
•Capsid: The protein shell, or coat, that encloses the nucleic acid genome.
•Capsomeres: Morphologic units represent clusters of polypeptides,
Diseases Associated with Streptococcus pyogenes
Respiratory Symptoms
Upper Respiratory Tract
Pharyngitis
Systemic Symptoms
Septicemia
Internal infections
classification
¨Kingdom of monera is made up of simple single celled organisms.
¨Prokaryotic cells
¨Monerans’ have four Phyla
¨Phylum: Schizophyta- The largest phylum of Monera. Contains organisms commonly known as bacteria
¨Phylum: Archaebateria- primitive organisms that live in harsh climates
¨Phylum: Cyanophyta: Organisms known as blue-green bacteria
¨Phylum:Prochlorophyta: Monera that live in marine environments
Nervous System
¨Functions
¨regulates behavior
¨ maintains homeostasis