How is carbon dioxide released from the lungs? Carbon dioxide (CO2) is a waste product of cellular metabolism. You get rid of it when you breathe out (exhale). This gas is transported in the opposite direction to oxygen: It passes from the bloodstream – across the lining of the air sacs – into the lungs […]

How many peaks are present in the 13c NMR spectrum of the molecule below? two peaks How many peaks Does this compound have in its 13c spectrum? three peaks How many signals would you expect to see in the 13c NMR spectrum of the following compound? seven signals What is proton decoupled 13c NMR? The […]

Do plants need carbon dioxide to survive? Plants do need CO2, but they also need water, nitrogen, and other nutrients. Increase one of these without increasing the others and there’s a limit to how much the plants will benefit. Some do not grow much more at all. Others, like wheat, grow bigger but end up […]

What is the first largest organ in your body? Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it. Is Skin your largest organ? The skin is the largest organ of the body. The skin and its derivatives (hair, nails, sweat and oil glands) make […]

What enzyme is known as the gluer? DNA ligase What is the role of DNA ligase during DNA replication? DNA ligases play an essential role in maintaining genomic integrity by joining breaks in the phosphodiester backbone of DNA that occur during replication and recombination, and as a consequence of DNA damage and its repair. What […]

What function does the phosphate group contribute to the structure of a phospholipid? A single phospholipid molecule has a phosphate group on one end, called the “head,” and two side-by-side chains of fatty acids that make up the lipid “tails. ” The phosphate group is negatively charged, making the head polar and hydrophilic, or “water […]

What type of electromagnetic energy is reflected by the moon? visible light What are 3 examples of electromagnetic energy? They include: Radio Waves. TV waves. Radar waves. Heat (infrared radiation) Light. Ultraviolet Light (This is what causes Sunburns) X-rays (Just like the kind you get at the doctor’s office) Short waves. Which types of electromagnetic […]

What percent by mass does the water constitute in Na2SO4 10H2O? 55.91% How do you find the percent by mass of Na2SO4? Answer: Explanation: Molecular Formula : Na2SO4. Molecular Mass : 46 + 32 + 64 = 142 u. What is the percent by mass of water in the hydrate? The molar mass of the […]

What was the purpose of the Milgram experiment? Aim: Milgram (1963) was interested in researching how far people would go in obeying an instruction if it involved harming another person. Stanley Milgram was interested in how easily ordinary people could be influenced into committing atrocities, for example, Germans in WWII. What was the purpose of […]

What was a result of Western influences on the Safavid empire? This Central Asian conqueror interrupted the growth of the Ottoman Empire. Which of the following was a result of Western influences on the Safavid Empire? Carpet weaving became a national industry. What was perhaps the most important contribution from the Safavid Empire to Europe? […]