As previously mentioned, Watson and Crick themselves had specific ideas about DNA replication, and these ideas were based on the structure of the DNA molecule. In particular, the duo hypothesized that replication occurs in a semiconservative fashion.
Causes and Types of Eye Infections. Examples of viral, fungal and bacterial eye infections include: 1  Pink eye, or conjunctivitis. 2  Conjunctivitis, also called pink eye, is a common, highly contagious eye infection that often is spread among children in day care centers, classrooms and similar environments.auses and Types of Eye Infections. Examples of viral, fungal and bacterial eye infections include: 1  Pink eye, or conjunctivitis. 2  Conjunctivitis, also called pink eye, is a common, highly contagious eye infection that often is spread among children in day care centers, classrooms and similar environments.
Causes of watery eyes can include: 1  Dry Eye Syndrome. 2  Clogged tear ducts. 3  Conjunctivitis. 4  Environmental irritants such as chemicals, smog, hot wind, bright lights, blowing dust, and airborne allergens. 5  Blepharitis. 6  Abrasions. 7  Foreign bodies. 8  Allergies to mold, dust, and dander.