Which statements about infectious diseases are correct? 1 Cholera has a vaccine available and is caused by a bacterial pathogen of the Vibrio group. 2 Measles has a vaccine available and is caused by a pathogen called Morbillivirus. 3 Smallpox was eradicated by vaccination and was caused by a bacterial pathogen called Variola.

Which features do the causative agents of measles, malaria and tuberculosis (TB) have in common? [Table with features…

What explains why most viruses that cause diseases in humans are unaffected by antibiotics?

Which factors contribute to outbreaks of measles after natural disasters? 1 contamination of drinking water with unt…

Telomerase is an enzyme that prevents the shortening of telomeres. It is not present in most normal cells, but is act…

Which row correctly describes the role of growing leaves as sources or sinks for amino acids and sucrose?

Which row correctly matches each description to cilia or root hairs?