What are two different types of electron microscopes? There are two main types of electron microscope – the transmission EM (TEM) and the scanning EM (SEM). The transmission electron microscope is used to view thin specimens (tissue sections, molecules, etc) through which electrons can pass generating a projection image. What is the greatest advantage of […]
What is the best shoe stretcher?
What is the best shoe stretcher? FootFitter Premium Professional Should your toes touch the end of shoes? We should not be making contact with the end of the toe box; in fact many well-fit walking shoes should have a generous space between the end of the toebox and the tip of the toes. We should […]
Can you have an extra chromosome and be normal?
Can you have an extra chromosome and be normal? Most commonly, some cells end up with one extra or missing chromosome (for a total of 45 or 47 chromosomes per cell), while other cells have the usual 46 chromosomes. Mosaic Turner syndrome is one example of chromosomal mosaicism. How do you know if you have […]
How is stoichiometric coefficient calculated?
How is stoichiometric coefficient calculated? Almost all stoichiometric problems can be solved in just four simple steps: Balance the equation. Convert units of a given substance to moles. Using the mole ratio, calculate the moles of substance yielded by the reaction. Convert moles of wanted substance to desired units. What is the stoichiometric coefficient? The […]
What are the 7 crosscutting concepts?
What are the 7 crosscutting concepts? The seven crosscutting concepts presented in Chapter 4 of the Framework are as follows: Patterns. Cause and effect: Mechanism and explanation. Scale, proportion, and quantity. Systems and system models. Energy and matter: Flows, cycles, and conservation. Structure and function. Stability and change. What are science concepts? Scientific concepts can […]
Is cutting an apple reversible?
Is cutting an apple reversible? cutting an apple is a physical change and an irreversible because in chemical reaction after reaction new compound is formed with different categories but cutting an apple don’t change it chemically it is only cut into pieces and no new compound is formed. Is alcohol evaporating a chemical change? Evaporation […]
What are the 8 types of joints?
What are the 8 types of joints? Planar, hinge, pivot, condyloid, saddle, and ball-and-socket are all types of synovial joints. Is the wrist a gliding joint? Gliding joints occur between the surfaces of two flat bones that are held together by ligaments. Some of the bones in your wrists and ankles move by gliding against […]
What is non-positional number system give an example?
What is non-positional number system give an example? • The non-positional number system consists of different symbols that are used to represent. numbers. • Roman number system is an example of the non-positional number system. i.e. I=1, V=5, X=10,L=50. What is BCD in binary? Binary Coded Decimal Summary We have seen here that Binary Coded […]
How many watts is 13 amps?
How many watts is 13 amps? 156 Watts Is 13 amp plug normal? Plugs for appliances rated between about 700 watts and 3000 watts (the maximum rating of a wall socket) should be fitted with a 13-amp fuse (coloured brown). For example: 13A Fuse – Washing machine, dishwasher, microwave, kettle, toaster, iron. Can you put […]
Which condition causes storms to occur freezing of water droplets?
Which condition causes storms to occur freezing of water droplets? Cold Air Damming and Extended Lows Freezing rain develops when warm oceanic air rises up and over the cold air, producing liquid precipitation that falls through the cold layer. The falling droplets become supercooled and freeze on impact with the cold surface. Where is the […]