Viruses are classified by the type of nucleic acid they contain, and the shape of their protein capsule. Examples of several viruses are shown in Figures 1-3. Figure 1. Structure of a variety of viruses. Image from http://www.gene.com/AE/AB/GG/examples_of_viruses.html.
Stucco is a durable and beautiful building material, but homeowners should accept that it just isnât waterproof. If youâre concerned about damage to your home, look from these signs that your stucco is, indeed, due for a waterproofing job: Paint coating stucco is chipping, peeling, fainting, or cracking.
What to do about cracked stucco. If there are minor cracks in your stucco, this is a project that most San Francisco homeowners can tackle if they want to. For these small cracks, get a flexible, paintable, exterior-grade caulk. have cracks in my stucco. Stucco is one of the longest-lasting and low-maintenance siding options for homes, which is why so many houses in the San Francisco area sport this classic look. The problem, however, is that stucco can develop cracks over time.