What are the four nonspecific defenses are caused by pathogens invading the body? Nonspecific defenses include anatomic barriers, inhibitors, phagocytosis, fever, inflammation, and IFN. Specific defenses include antibody (more…) What are examples of specific defenses? There are two types of specific defense. These include cell-mediated immunity and antibody-mediated immunity. Cell-mediated immunity occurs when T-lymphocytes (T-cells) […]
Why is glass not considered a true solid?
What is the mass of one mole of magnesium?
What is the mass of one mole of magnesium? The relative masses of each element can be found on the periodic table. For example, one atom of magnesium weighs 24.31 amu (atomic mass units). However, one mole of magnesium weighs 24.31 g. What does atomic number tell? The atomic number or proton number (symbol Z) […]
Is Energy added or released when boiling water is changed to steam?
Is Energy added or released when boiling water is changed to steam? When liquid water turns to steam the molecules move (faster or slower) and heat is (added or removed) from the water. The molecules in the steam have (more or less) Kinetic Energy. When liquid water turns to steam the molecules move (faster or […]
What is the difference between sampling with replacement and without replacement?
What is the difference between sampling with replacement and without replacement? What’s the Difference? When we sample with replacement, the two sample values are independent. Practically, this means that what we get on the first one doesn’t affect what we get on the second. In sampling without replacement, the two sample values aren’t independent. What […]
Which type of washing machine consumes less water?
Which type of washing machine consumes less water? As a front loader uses less water, there is significant energy or electricity saving as much less water is heated. Also, front loaders dry up the cloths to a significantly higher degree (as less water is used), the dryer cycles are much shorter, thus saving electricity on […]
What is the best time to shift gear?
What is the downside of nuclear fusion?
What is the downside of nuclear fusion? But fusion reactors have other serious problems that also afflict today’s fission reactors, including neutron radiation damage and radioactive waste, potential tritium release, the burden on coolant resources, outsize operating costs, and increased risks of nuclear weapons proliferation. What are pros and cons of fusion? List of Pros […]
Is resultantly a proper word?
Is resultantly a proper word? re·sul·tant adj. Issuing or following as a consequence or result. 1. Something that results; an outcome. Is the resultant always the hypotenuse? When the two vectors are added head-to-tail as shown below, the resultant is the hypotenuse of a right triangle. A right triangle has two sides plus a hypotenuse; […]
Who is a nominal person?
Who is a nominal person? 1. adjective [usually ADJECTIVE noun] You use nominal to indicate that someone or something is supposed to have a particular identity or status, but in reality does not have it. As he was still not allowed to run a company, his partner became its nominal head. What is a nominal […]