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A Level

How do negative and positive feedback loops occur and how are they different?

Think of them as a flow chart.

Stimulus (a change)
    |
Sensor (detects the change)
    |
Control (sends a signal about t...

EC
Answered by Emma C. Biology tutor
7483 Views

How do you prove the formula for the sum of n terms of an arithmetic progression?

An arithematic progression has terms in a sequence such that the difference between any two consecutive terms is a constant and is given by a common difference, say, d. If first term in the progression is...

NB
9672 Views

Explain the possible causes of deflation in an economy. (15 Marks)

It is first necessary to define deflation. Deflation is a reduction in the general level of prices in an economy. It can be measured by indices such as the Consumer Price Index (CPI) which takes the price...

TD
11451 Views

How to write an essay on: The importance of proteins in the control of processes and responses in organisms.

Explain the use of proteins as enzymatic catalyats - including examples.

Enyzmes control metabolic pathways - such as in the Krebs cycle.

Proteins/enzymes in photosynthesis - with examples.<...

EB
Answered by Eva B. Biology tutor
35867 Views

What are the main differences between financial and management accounting?

Financial accounting is mainly focused on the external users of the financial information. Its main purpose is to communicate the financial position of the company. Preparing the financial statements is m...

UF
Answered by Umar F. Accounting tutor
4151 Views

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