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How do living things grow?

Mitosis is one of two types of cell reproduction, also known as cell division. Mitosis is involved in growth and repair, while meiosis is involved in the reproductive process. The cells produced by mitosis, referred to as somatic cells, comprise the bulk of an organism.Mitosis generates two daughter cells that are identical and contain an equal number of chromosomes as the parent cell. This process is divided into four major phases: prophase, metaphase, anaphase and telophase. During prophase, the DNA in the cell becomes tightly packed. A phase called prometaphase, links prophase and metaphase..

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What are some common physics questions and the answers?

Some other common questions in physics can pertain to light. For example, a question on refraction may be to specify another name for the refraction law. The answer is Snell's law, which shows the relationship between the angle of incidence and refraction angle when light passes a boundary between two different media. On a physics quiz, questions on light can be to define refraction and reflection. The answer is that refraction is the bending of light waves as it passes an interface between two media, and reflection is the bouncing of light off an object, such as a mirror.Another question..

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What is lying under the surface of the Earth?

The Earth’s crust is primarily composed of alumino-silicates and varies greatly in thickness. The thinnest portions of oceanic crust are only about 6 miles thick, while the thickest continental plates have portions that are more than 43 miles thick. The mantle is composed primarily of ferro-magnesium silicates. Approximately 1,800 miles thick, the mantle is much thicker than the crust and contains most of the planet’s heat. This heat causes convection currents, which drives the process of plate tectonics, as explained by Universe Today.\nThe outer layer of the Earth’s core is composed of..

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How long does bladder surgery take?

Bladder suspension surgery is performed to control incontinence. Before the surgery, the patient receives general or spinal anesthesia. During an open surgery, the surgeon makes an incision in the lower abdomen. The doctor sews the bladder neck and the urethra to the pelvic bones and ligaments. In a laparoscopic surgery, a smaller incision is made. A tube used to help the doctor see the organs is inserted into the small incision, and the sutures are performed, reports MedlinePlus.\nBladder suspension surgery carries risks. Temporary difficulty urinating, overactive bladder, urinary tract infec..

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How many atoms are in Al2(SO4)3?

Aluminum sulfate has a molecular weight of 342.15 grams per mole. This chemical compound is a white and odorless crystalline solid. Its boiling point is 214 degrees Fahrenheit, and the density is 2.71 grams per cubic centimeter. This compound is soluble in water. Some uses of aluminum sulfate are for water purification purposes and the fabrication of paper.

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How many laps is a half-mile swim?

Swimming a length of 50 meters, or half a mile, is about 16 laps. To calculate the amount of distance required to swim half a mile in non-Olympic sized pools, find the number of feet in the length of the pool. One yard equals 3 feet, and 1 meter equals 3 feet, 3 5/8 inches. Multiply that number by two, since a lap is generally considered two lengths. Then take the number of feet in the half mile, which is 2,640 feet, and divide it by the number of feet in one lap.

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What is a non-specific T-wave abnormality?

Repolarization is the process by which the heart's electrical system recharges during heartbeat intervals. The electrical impulses that are generated with each heartbeat can be detected using an electrocardiogram, also known as ECG or EKG. Five distinct waves can be recorded on an ECG, which are labeled P, Q, R, S and T. The T-wave is the repolarization of the heart's ventricles.A normal T-wave is characterized by a vertical line in all leads, excluding aVR and V1, an amplitude of less than 5 millimeters in limb leads and an amplitude of less than 15 millimeters in precordial leads. ..

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What is a hurricane called in India?

Cyclone season in the northern Indian Ocean runs from April to December. Cyclones that form south of the equator rotate in a clockwise direction, which is the opposite of the rotational direction of storms that form north of the equator. This difference is due to the Coriolis effect. Significant cyclones that made landfall in India include Cyclone Phailin in October 2013 and the Odisha cyclone in 1999.

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What are the ingredients in the air we breathe?

While the large amount of nitrogen in the air usually has no effect on humans, in some cases it can become extremely dangerous. When a diver breathes air deep underwater where pressures are high, the excess nitrogen forces its way into the bloodstream. When the diver ascends, the nitrogen can work its way back out slowly and be exhaled. If he ascends too rapidly, however, the nitrogen comes out of solution in his blood, causing intense pain and muscle spasms. Untreated, decompression sickness can be fatal.\nThe nitrogen in normal air can also act as a narcotic under pressure. For this reason, ..

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What is the function of a graduated cylinder?

To get a measurement using a graduated cylinder, scientists look at the meniscus of the liquid and observe the lowest portion. Compared to the beakers and flasks that scientists use in a laboratory, these cylinders are usually more accurate for measuring the volume of a liquid. However, compared to a volumetric pipette or a volumetric flask, these cylinders are generally less precise and accurate at measuring the volume of a liquid.

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