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Explain the characteristics of enzymes and the lock and key theory of enzyme action. Explain the role of enzymes in catabolic and anabolic reactions.

1) enzymes are biological catalysts that will speed up reactions by reducing activation energy for the reaction. 2) Lock and key theory concerns how the enzyme (lock) only forms a reactive complex with...

JB
Answered by James B. Biology tutor
7935 Views

Discuss the nature nurture debate in Psychology?

Nature: behaviour is heredity.

Nurture: behaviour is caused by the environment, experience and learning. 

Interactionist approach: ...

KV
Answered by Katie V. Psychology tutor
18425 Views

Solve this quadractic equation: x^2 - 8x + 15 = 0

To solve x2 - 8x + 15 = 0 we could try to use the Product, Sum, Numbers method (PSN).

The PSN method tells us that our numbers must multply to make the product of the first and...

TS
Answered by Toby S. Maths tutor
11812 Views

Use integration by parts to find the integral of xsinx, with respect to x

The integration by parts rule looks like this:

∫ u * v' dx = u * v - ∫ ( v * u' ) dx

Hence in this example, we want to make our u = x and v' = sinx

So we now n...

TS
Answered by Toby S. Maths tutor
57840 Views

Differentiate y = (6x-13)^3 with respect to x

We are looking for dy/dx, and in this question, the key rule to remember is the chain rule.

Therefore the first thing to do is the easy step, take the 3 down and minus 1 from i...

TS
Answered by Toby S. Maths tutor
5509 Views

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