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Explain Mitosis and Meiosis

Mitosis is the replication of a cells chromosomes so that two daughter cells can be produced with the same number of chromosomes as the parent cell.Meiosis has two processes, Meiosis 1 which is almost identi...
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Answered by Shannon H. • Biology tutor
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A mass of 2.5kg is raised by a height of 8m in 36 seconds using an electronic motor. Calculate the power of the motor.

Power = Work / Time. Work = mgh = 2.5 9.81 8 = 196.2 J. Power = 196.2 (J) / 36 (Seconds) = 5.45 W.
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Answered by Michael V. • Physics tutor
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Solve the following quadratic equation x^(2)+7x+12

(x+a)(x+b) = 0The two numbers must have a product of 12 and a sum of 7.3*4 = 12 AND 3+4=7Therefore(x+3)(x+4) = 0Therefore x+3 = 0 --> x = -3OR x+4 = 0 --> x = -4
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Answered by Michael V. • Maths tutor
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How do I rewrite algebraic fractions as a single fraction?

The first step to writing an expression with more than one fraction as a single fraction is to find their lowest common denominator. For example, in a question with two fractions where the denominators are x...
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Answered by David O. • Maths tutor
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Draw and annotate four labelled diagrams illustrating the injection molding process.

The polymer material is loaded into a hopper (in pellet form).2. The pellets go through an Archimedes screw surrounded by a heating element which melts the polymer.3. A ram forces the polymer into the die.4....
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