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"Shylock is a Villain, through and through" Discuss.

In 'The Merchant of Venice', Shylock is positioned by Shakespeare as villainous through most of the play; other characters refer to him as "Jew-dog" or simply as "the Jew", relying on ant...
MB
Answered by Meredith B. • English tutor
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What is the role of progesterone in the menstrual cycle?

The primary role of progesterone is to thicken the lining of the uterus in order to prepare for pregnancy. It thickens the endometrium that allows for implantation of the embryo. The progesterone also inhibi...
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Answered by Anna G. • Biology tutor
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What is the definition of osmosis?

There are some key components which define osmosis in relation to simple diffusion. Osmosis is the movement of specifically water. In addition, it occurs through water channels (aquaporins). Osmosis occurs d...
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Answered by Bea F. • Biology tutor
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Solve the quadratic equation x^2 + 7x + 6 = 0

To solve a quadratic equation of the form Ax 2 + Bx + C = 0, where, in this example, A=1, B=7 and C=6, we need to factorise the left-hand side of the equation. To do this we first need to write the factors o...
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Answered by Caitlin J. • Maths tutor
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A scientist discovers a diseased tomato plant where a disease has caused discolouration in the leaves due to a decrease in chlorophyll. Explain why this tomato plant produces far less tomatoes and is much smaller than a healthy tomato plant.

The decrease in chlorophyll in the diseased plant leaves means the light energy cannot be used to make glucose via photosynthesis in the chloroplasts. Tomatoes store a lot of glucose therefore with less gluc...
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Answered by Phoebe S. • Biology tutor
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