Top answers

How do you decide whether to change a point on demand curve or to shift the whole curve?

Changes in price mean a shift along the curve, changes other than the price of a good (e.g. change in price of a substitute good) shift the demand curve.
MJ
Answered by Mahnoor J. • Economics tutor
2291 Views

Describe the stages in DNA transcription and translation

DNA is unziped by DNA helicase. RNA polymerase catalyses the formation of a complementary strand of pre-mRNA, using the non-coding strand of DNA as a template. The pre-mRNA contains non-coding regions (intro...
IN
Answered by Iona N. • Biology tutor
3780 Views

Assess the importance of a chosen marine ecosystem (15)

Coral reefs: diverse/fragile ecosystem, found in coastal areas/tropics/warm waters 23-29degrees C, (temp needed to sustain growth) valuable goods and services, threatened by global warming, rising SST. 1) Bi...
MB
Answered by Maria B. • Geography tutor
2687 Views

Why is the derivative of x^n, nx^(n-1)?

From the definition of a derivative: f'(x) = lim h->0 ((f(x+h) - f(x)) / h) Let f(x) = x^n --> d\dx x^n = lim h->0 (((x+h)^n - x^n) / h) By binomial expansion, (x+h)^n = x^n + nhx^(n-1) + n(n-1)h^2 ...
JF
Answered by Joshua F. • Maths tutor
5424 Views

¿Cuál es la diferencia entre cuando y cuándo?

" Cuando " sin tilde se utiliza siempre que se quiere expresar una condición en el futuro. Ejemplo: Iré a la casa de mi amigo cuando tenga tiempo. En este caso, ir a la casa de su amigo depende del...
KH
Answered by Karl H. • Spanish tutor
43619 Views