The blood used in the agar is also treated beforehand to remove a molecule called fibrin, which participates in the clotting of blood. The absence of fibrin ensures that clotting of the blood does not occur in the agar, which could interfere with the visual detection of the hemolytic reactions.
Chebeague Island, Maine. Chebeague Island is an island town in Cumberland County, Maine, United States, located in Casco Bay, 10 miles (16 km) from Portland. These islands are sometimes referred to as an older, now archaic term The Calendar Islands because there was once a belief that the approximate number of islands was 365.
The Great Blue Hole is a large submarine sinkhole off the coast of Belize. It lies near the center of the Lighthouse Reef, a small atoll 36 miles from Ambergris Caye. The hole is circular in shape, 984 ft across and 407 feet deep. We dive the Blue Hole to a depth of 130 feet where we explore the stalactites.