What are multiple alleles give an example? Multiple alleles refer to the occurrence of three or more than three alleles for a particular gene. Alleles are different or contrasting forms of a gene. For example, for the gene encoding for height, one allele can be for tallness, whereas the other can be for dwarfness. What […]
What is meant by a free electron?
What is meant by a free electron? 1 : an electron within a conducting substance (as a metal) but not permanently attached to any atom. 2 : an electron moving in a vacuum. Who proposed free electron model? Hendrik A. What are the types of free electron theory? Classical free electron theory of metals (Drude […]
Is it OK to drink glucose daily?
Is it OK to drink glucose daily? Since glucose is used when needed, it does not have a daily dosing schedule. Call your doctor if your symptoms do not improve after using glucose. Can I drink glucose in empty stomach? This screening test involves drinking a sugary liquid, followed by a blood test an hour […]
What happens when something reaches absolute zero?
What happens when something reaches absolute zero? At zero kelvin (minus 273 degrees Celsius) the particles stop moving and all disorder disappears. Thus, nothing can be colder than absolute zero on the Kelvin scale. Physicists have now created an atomic gas in the laboratory that nonetheless has negative Kelvin values. What determines the state of […]
Is the Ferber method cruel?
Is the Ferber method cruel? The Ferber method is not appropriate as a treatment for most child sleep problems. When parents consider sleep training, it’s usually because their children are experiencing bedtime problems and/or disruptive night wakings. How do I teach my baby to self soothe? Master the timing. Create a bedtime routine. Offer a […]
What does a sign in the Device Manager indicate?
What does a sign in the Device Manager indicate? On Windows 10, sometimes, Device Manager will show a device with a yellow exclamation mark. When this happens, it indicates that the system has encountered a problem with that particular piece of hardware. Usually, it comes down to a hardware conflict of some sort, or missing […]
How does a catalyst decrease activation energy?
How does a catalyst decrease activation energy? A catalyst can lower the activation energy for a reaction by: orienting the reacting particles in such a way that successful collisions are more likely. reacting with the reactants to form an intermediate that requires lower energy to form the product. What is difference between positive and negative […]
Can wood exist as a liquid?
Can wood exist as a liquid? As a result of the chemical, irreversible breakdown of its components, wood does not melt. Although the water and volatile matter would evaporate in the vacuum, the long cellulose fibers in wood would strongly inhibit wood’s transition to the liquid state. Can everything be a liquid? Yes, every element […]
How can we protect the cryosphere?
How can we protect the cryosphere? By quickly taking steps to curb emissions from cookstoves, forest burning, fossil fuel extraction and diesel transport countries could help preserve the cryosphere while at same time saving the lives and health of millions. What would happen if the cryosphere melted? Unsurprisingly, water from the current cryosphere melt is […]