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Chemistry

What does each turn of the citric acid cycle produce?

What does each turn of the citric acid cycle produce? The eight steps of the citric acid cycle are a series of redox, dehydration, hydration, and decarboxylation reactions. Each turn of the cycle forms one GTP or ATP as well as three NADH molecules and one FADH2 molecule, which will be used in further steps […]

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Which phase of matter has a definite shape and volume?

Which phase of matter has a definite shape and volume? Solids What is a substance with definite shape and volume? solid: Has a definite shape and volume. liquid: Has a definite volume, but take the shape of the container. gas: Has no definite shape or volume. change of state: When matter is converted from one […]

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Should I use blue light filter at night?

Should I use blue light filter at night? Blue light also suppresses melatonin, the hormone that tells us to go to sleep. The most common advice you probably hear is to activate a setting on your iPhone called Night Shift, or if you have an Android device, a blue light filter. You can also download […]

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What is true about lac operon?

What is true about lac operon? The lac operon is an operon, or group of genes with a single promoter (transcribed as a single mRNA). The genes in the operon encode proteins that allow the bacteria to use lactose as an energy source. Which of the following statements about lac operon in E coli is […]

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Would you rather questions list?

Would you rather questions list? 100 Would You Rather Questions Would you rather go into the past and meet your ancestors or go into the future and meet your great-great grandchildren? Would you rather have more time or more money? Would you rather have a rewind button or a pause button on your life? Would […]

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Can petrol spontaneously combust?

Can petrol spontaneously combust? Petroleum products like motor oil and gasoline, while flammable, do not undergo oxidation. Also, the tendency of oil to spontaneously combust is related to its iodine number — if it’s 130 or greater, the potential is there. Can air spontaneously combust? Air will never spontaneously combust, nor can it be made […]

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What is the inner core made of?

What is the inner core made of? Unlike the mineral-rich crust and mantle, the core is made almost entirely of metal—specifically, iron and nickel. The shorthand used for the core’s iron-nickel alloys is simply the elements’ chemical symbols—NiFe. Elements that dissolve in iron, called siderophiles, are also found in the core. What layer of earth […]

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Why are most apparatus made of glass?

Why are most apparatus made of glass? Most of the laboratory apparatus is made of glass because: glass is easy to clean. Glass is a transparent material and we can see through it clearly. It does not react with most of the chemicals used in experiments. Glass withstands high temperatures. Why is glass used in […]

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