Top answers

Explain how the small intestine is adapted to its absorptive function (4)

The small intestine has many adaptions that help effective absorption to take place. Firstly it is very long, meaning there is a lot of time for nutrients to be absorbed. Secondly it has villi which are fing...
AU
Answered by Anastasia U. • Biology tutor
50582 Views

How does pH affect the rate of reaction on an enzyme?

Optimum pH for enzymes in the human body is 6. It's a bell shaped Graph. At Higher or lower pH, the alkalinity/acidity denatures the enzyme, which changes the shape of the active site, and so the substrate c...
MH
Answered by Max H. • Biology tutor
12198 Views

Describe the process which is used by plants to make food?

All living things need food to survive. However, plants cannot nip down to tesco to buy themselves a pizza, instead they make their own food. This process is called photosynthesis. Plants take in carbon diox...
FB
Answered by Faye B. • Biology tutor
31901 Views

A curve is defined by the equation y = (x + 3)(x – 4). Find the coordinates of the turning point of the curve.

The turning point of a curve is the point at which it will turn, therefore, either the maximum or minimum point. Firstly, you need to expand out the brackets so the equation looks like a standard curve equat...
CM
4321 Views

0.15^2 x (1-0.15)^3 to 2 s.f

BIDMASFirst must donwhat is inside the brackets1-0.15 = 0.85Next must do the indices 0.85^3= 0.6141250.15^2 =0.0225Then multiply0.0225 x 0.614125 = 0.01381781shorten to 2 s.f0.014
FM
Answered by Francesca M. • Maths tutor
3248 Views