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Name and describe the function of the different organelles within a cell, and compare the differences within a plant and an animal cell.

Nucleus- controls cell's activity. DNA transcription occurs here. Stores DNA (genetic material).Cytoplasm- some cell reactions occur here. Fluid-Jelly-like environment. Glycolysis occurs here.Mitochondria...

AT
Answered by Anaelle T. Biology tutor
2995 Views

show that f(x)=cos(x) is even and what is its graphical property

If the function is even, f(x) = f(-x).cos(-x) is the same value as cos(+x) therefore the function is even. Its graphical property is that it is symmetrical about the y axis as all even functions are.

MP
Answered by Matthew P. Maths tutor
5147 Views

find the roots of the equation 7x^2+11x-2=0 in exact form

since the values are too difficult to calculate from factorising, we use the quadratic formula ((-b)±(b^2-4ac)^(1/2))/(2a).putting the values in as (ax^2+bx+c=0) we find the roots in exact form are;(-11+(...

MP
Answered by Matthew P. Maths tutor
3275 Views

What is Wallerstein's World Systems theory?

We can traditionally consider three core models which theorise how the development gap has come to exist. These are: Dependency Theory, Rostow's Modernisation Theory, and Wallerstein's World Systems Theor...

IG
5991 Views

what is differentiation for?

When differentiating you find the gradient of the function/line, this means how fast does the function goes up or down.

RB
Answered by Richard B. Maths tutor
2692 Views

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