Tips and tricks

What indicates a positive catalase test? This test is used to identify organisms that produce the enzyme, catalase. This enzyme detoxifies hydrogen peroxide by breaking …

What is the importance of endospores? An endospore is a dormant, tough, non-reproductive structure produced by a small number of bacteria from the Firmicute family. …

Whats does Prominent mean? prom′i-nent, adj. standing out beyond the line or surface of something: projecting: most easily seen: conspicuous: principal: eminent: distinguished. What is …

Does the Texas Legislature meet every year? Today, 46 state legislatures meet annually. The remaining four states—Montana, Nevada, North Dakota and Texas—hold session every other …

How does it feel to hit your head really hard? Q: What is considered a mild head injury? A: A concussion happens when you get …

How is a soccer ball put together? Panels can be either stitched, glued or thermally molded together: Stitched. The highest quality balls are stitched with …

What causes excessive dross when plasma cutting? Top spatter dross A worn nozzle, excessive cutting speed, or a high standoff is usually the cause. It …

Is it better to do a full load of laundry? Don’t pack your washer completely full; make sure the clothes have room to tumble freely. …

What is another word for divergent plate boundary? In plate tectonics, a divergent boundary or divergent plate boundary (also known as a constructive boundary or …

What is the oldest lullaby? The oldest lullaby to survive may be the lullaby of Roman nurses recorded in a scholium on Persius: “Lalla, Lalla, …

What was depicted on the Parthenon frieze? The frieze of the Parthenon forms a continuous band with scenes in relief that encircles the upper part …