What is a disadvantage of electron microscopes? Electron Microscope Disadvantages The main disadvantages are cost, size, maintenance, researcher training and image artifacts resulting from specimen preparation. This type of microscope is a large, cumbersome, expensive piece of equipment, extremely sensitive to vibration and external magnetic fields. What are the advantages and disadvantages of light microscopes? […]
What happens when the two cans are moved closer together what happens when they are separated?
What happens when the two cans are moved closer together what happens when they are separated? When the cans are separated, they each have an excess of opposite charge. But when they are brought back together again with the balloon no longer nearby, there is an attraction between this excess of charge. This causes another […]
How do I pass a hard exam?
What comet comes every 100 years?
What comet comes every 100 years? Halley’s Comet Discovery Semi-major axis 17.834 AU Eccentricity 0.96714 Orbital period 75.32 yr Mean anomaly 38.38° Which is bigger an asteroid or a comet? These are much larger than comets. An asteroid only 5 km across would be classi- fied as small; Ceres, the largest, is 100 times bigger […]
How big is a 1 ton rock?
What is the peak-to-peak value of a sine wave?
What is the peak-to-peak value of a sine wave? Peak value of sine wave means the maximum value found on a sinusoidal waveform compared to the zero level. Other commonly used amplitude values are root mean square and peak-to-peak. How do you find the RMS value of a sine wave? Then the RMS voltage (VRMS) […]
What is the most common grammar mistake?
What is the most common grammar mistake? 10 Common Grammar Mistakes Writers Should Avoid 1 Overuse of adverbs. 2 Too many prepositional phrases. 3 Ambiguous (“Squinting”) modifiers. 4 Misuse of lie/lay. 5 Ambiguous pronoun references. 6 Comma splices. 7 Run-on sentences. 8 Wordiness (inflated sentences) Is bad grammar a sign of low intelligence? No it […]
What is a compass needle for?
What is a compass needle for? A magnetized pointer (usually marked on the North end) within a compass, free to align itself with the Earth’s magnetic field. What do you understand by a compass needle? A compass needle is a device that tells which direction is north, south, east and west. The needle is actually […]
How long does it take to walk 1 acre?
What are the two types of integral proteins?
What are the two types of integral proteins? According to their their relationship with the bilayer, integral membrane protein can be classified two primary types: integral polytopic proteins and Integral monotopic proteins. Integral polytopic proteins are also known as “transmembrane proteins” which can span across the membrane at least once (Fig. What are the types […]