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Outline the major stages of cell cycle.

The cell cycle is comprised of two distinct phases; Interphase and Mitosis. The cell is typically in interphase of 95% of its life and mitosis/division for the remaining 5%.During interphase the cell's nu...

MK
Answered by Max K. Biology tutor
3423 Views

A rectangular hyperbola has parametric equations x = 4t, y = 4/t , (z non 0). Points P and Q on this hyperbola have parameters t = 1/4 and t = 2. Find the equation of the line l which passes through the origin and is perpendicular to the line PQ.

Since we are told that the line l is perpendicular to the line PQ, we first need to find out the gradient of PQ.
To do this, it is easiest to find out the co-ordinates of points P and Q in terms of...

ZE
2511 Views

How can I improve my grade when writing a psychology essay?

One of the first things you can do before even trying to start an essay is looking at the marking criteria to see what the marker wants from you and what your essay needs to show. For example, in an AQA m...

KL
Answered by Kelly L. Psychology tutor
3540 Views

What are the possible human causes of climate change?

Arguably, the primary anthropogenic cause of climate change is the use of fossil fuels, which emit greenhouse gases. These gases can act negatively in the atmosphere by creating a 'blanket Earth' where ra...

AH
2446 Views

A curve has the equation: x^3 - x - y^3 - 20 = 0. Find dy/dx in terms of x and y.

x3 - x - y3 - 20 = 0 Find dy/dx. Differentiate with respect to x.
3x2 - 1 - 3y2(dy/dx) = 0Therefore: dy/dx = (3x

KP
Answered by Karishma P. Maths tutor
3548 Views

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