Do You Know
Questions & Answers on General Knowledge.
How do carnivorous plants digest their prey?
Carnivorous plants use enzymes to digest their prey. Most of them, including Venus flytraps, butterworts, sundews, and many types of pitcher plants, all make their own digestive enzymes. These enzymes help them digest their prey. After their insects have been digested, all that remains is a mass of dead insect parts. Other carnivorous plants do not make their own digestive juices. Instead, they rely on bacteria to produce their enzymes. Once captured, the insect rots, and the carnivorous plants absorb the decomposed molecules. Many plants, such as sarracenia, use both their own enzymes and bacteriagenerated enzymes. This is called a symbiotic relationship because both organisms benefit from this unique feature: The plant enjoys the bug-soup digested by the bacteria, while the bacteria get a comfortable place to grow. Bacterial digestion is no stranger to the animal kingdom: termites have bacteria inside them that help them digest wood, for example; and humans have Escherichia coli (E. coli) in their intestines to help them digest food.
What is a tsunami?
What effect does ice have on potholes?
Why are any materials transparent?
Why do we refer to an important issue as “the burning question” of the day?
What is a solar eclipse?
How does nuclear energy work to make a city run?
How do projection or rear projection televisions work?
How did Britain govern such a large territory around the world?
Is it true that no two snowflakes are the same?
Are the venus flytrap and the pitcher plant the only plants that eat insects?
How does luminol work?
Why is there a relationship between speed and pressure? What is that relation? Why are they inverses of each other?
Can farm animals be cloned?
How did the Inuit hunt?
What are the common characteristics of primates?
What is the difference between fields and charges (magnetic and electric)?
When someone survives disaster, why do we say he’s “cheated the devil”?
Why do some people throw up when they eat spicy food?
Who invented the telescope?
Why does government exist?
Why does regular water freeze faster than salt water?
Who was Empress Xi Ling-Shi?
What is pH and why is it so important to my garden pond and spa?
How does ammonia refrigeration work?
I'm doing a science fair project on electricity and I need to know how to make a homemade hot dog cooker.
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Precautions while using Centrifuge
Discontinue use of any centrifuge that does not have a latch; the latch keeps the centrifuge lid closed in the event of tube breakage or other problems while the centrifuge is operating. All such units should be replaced or modified to include a latch; contact the manufacturer for information.