What is a piece of cosmic debris on Earth called? It also contains countless asteroids and comets – the debris of the cosmic construction site that created the planets and their moons. The majority of Solar System asteroids populate the main asteroid belt, lying between the orbit of Mars and Jupiter. How much space debris […]
What causes sodium voltage-gated channels to open?
What causes sodium voltage-gated channels to open? When a stimulus reaches the threshold at the axon hillock, an action potential is generated. An action potential relies on many protein channels. All the voltage-gated Sodium channels open when the membrane potential reaches around -55 mV and there’s a large influx of Sodium, causing a sharp rise […]
What is the fastest instrument to learn?
What is the fastest instrument to learn? These are the 10 Easiest Musical Instruments to Learn for Adults over 50 The Recorder. The recorder is one of the easiest instruments to learn. The Lyre Harp. Harps come in many sizes and with various numbers of strings. Percussion Instruments. Bongos. Castanets. Drum Kit. Tambourine. Guitar. What […]
What is the source of energy for the life in deep sea ocean trenches where sunlight does not reach?
What is the source of energy for the life in deep sea ocean trenches where sunlight does not reach? Answer: Instead of sunlight, vent life relies on hydrogen sulfide – more commonly known as rotten egg gas and toxic to most land-based life. In a process called chemosynthesis, specialized bacteria create energy from the hydrogen […]
How a ring main is wired?
Why metal is a conductor?
Why metal is a conductor? Metals are an excellent conductor of electricity and heat because the atoms in the metals form a matrix through which outer electrons can move freely. Instead of orbiting their respective atoms, they form a sea of electrons that surround the positive nuclei of the interacting metal ions. Are metals shiny? […]
Where do you stop hitting the cue ball?
How is DNA used to identify individuals?
How is DNA used to identify individuals? DNA fingerprinting is a chemical test that shows the genetic makeup of a person or other living things. It’s used as evidence in courts, to identify bodies, track down blood relatives, and to look for cures for disease. What are the steps of gel electrophoresis? There are several […]
What are the three main principles of usability testing?
What are the three main principles of usability testing? Main principles of usability testing are: defining the goal, hypothesis, research questions and creating scenarios accordingly. preparing requisites based on scenarios (prototypes – never waste time creating omnicapable prototype, these can be only worth it as design presentations for clients, but not for UTs. How do […]
Why is Con Ed so expensive?
Why is Con Ed so expensive? It’s an increase in the supply charge that’s catching people off-guard. An increase in the “supply charge” has driven up electricity costs for many Con Ed customers. How do I start a Con Ed service? You’ll need to start service. We’ll ask the current account holder or landlord to […]