The antinuclear antibody (ANA) test is the go-to screening test for lupus. If the result is negative, says Dr. Gilkeson, you can almost guarantee that a patient doesnât have lupus. On the other hand, a positive result is much less clear; 90% to 95% of people who have a positive ANA test donât have lupus.
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These protist producers are known as algae. Most algae have other pigments that give them a color. Most algae live in water. Algae. All algae have the green pigment chlorophyll, which is used for making food. Most algae have other pigments that give them a color.Most algae live in water.easts are single-celled sac fungi. When they reproduce asexually, they use a process called budding. In budding a new cell pinches off from an existing cell. Yeasts use sugar as food and produce carbon dioxide gas and alcohol as waste. Trapped bubbles of carbon dioxide cause the bread to rise.