Billy Bell What flag is used? The FLAG tag can be used in many different tests that require its identification by the antibody. If there is no antibody against a specific protein, adding a FLAG tag to a protein allows the protein to be studied with an antibody against the FLAG sequence. What does a FLAG tag … Read more
Why are there coastal deserts? Cold ocean currents contribute to the formation of coastal deserts. The flow of air toward the shore, cooled by contact with cold water, creates a layer of fog. This thick fog drifts to the ground. Although the humidity is high, the atmospheric changes that usually cause precipitation are non-existent. Are … Read more
How many steps of photosynthesis? It is convenient to divide the process of photosynthesis in plants into four stages, each of which takes place in a specific region of the chloroplast: (1) light absorption, (2) electron transfer resulting in the reduction of NADP+ to NADPH, (3) ATP generation, and ( 4) the conversion of carbon … Read more
Is snow compostable? Snow is called “poor man’s manure” because it is a source of trace elements and, most importantly, a source of the forms of nitrogen available in the plant, a nutrient that is often scarce. Some soil bacteria can “fix” gaseous nitrogen, converting it into water-soluble forms that plants can leach into. Is … Read more
Are the phases of the moon the same in the northern and southern hemispheres? People in the northern and southern hemispheres see the direction of the moon differently from each other. It’s not a phase change. It is a change in the direction of the moon relative to your horizon. Are the phases of the … Read more
