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How does Insulin work within the body?

Insulin is a hormone that is produced by the pancreas and is released into the bloodstream to control the level of glucose in the blood. When the blood glucose concentration is too high, the pancreas secr...

Answered by Sonam P. • Biology tutor

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Describe the process of Translation?

The ribosome will bind to the mRNA at a specific binding site. The ribosome will then start to match tRNA anticodon sequences to the mRNA codon sequence. Each time a new tRNA comes into the ribosome, the ...

Answered by Tanya P. • Biology tutor

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A ball of mass 500g is dropped from rest 2m above the ground. When it reaches the ground it is travelling at 5m/s. How much energy has been dissipated?

Initial energy (Gravitational Potential): E = mgh = 0.5 x 9.81 x 2 = 9.81J Final energy (Kinetic): E = mv²/2 = (0.5 x 5²)/2 = 6.25J Energy lost = 9.81 - 6.25 = 3.56J

Answered by Georgina B. • Physics tutor

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Prove that the square of an odd number is always 1 more than a multiple of 4

(2x-1)² = 4x²- 4x + 1= 4(x²-x)+1The part of the expression which is: 4(x²-x) indicates that the value is a multiple of 4. The number 1 is then added which means...

Answered by Gokul P. • Maths tutor

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