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GCSE

How does the body control blood glucose levels?

The pancreas is the main organ involved with controlling blood glucose levels. It is situated in the abdomen just below the stomach. It consists of alpha and beta cells w...

AS
Answered by Adeola S. Biology tutor
3973 Views

What are dependent, independent, and extraneous (confounding) variables?

The dependent varible is defined as the thing which is being measured in an experiment, whilst the independent variable is the thing that is being manipulated or changed. Extraneous variables are undesira...

MC
Answered by Megan C. Psychology tutor
50157 Views

Explain the nuclear model

The atom consists of three sub-atomic particles: Protons; Neutrons and electrons. Protons and neutrons are in the nucleus of the atom and the electrons occupy the electron shells around the nucleus.

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EP
Answered by Emily P. Chemistry tutor
20507 Views

Describe and explain mitosis

Mitosis is the division (and multiplication) by body cells or somatic cells (cells that arent gametes.) Gametes- sperm and egg; undergo meiosis Somatic cells- body cells; undergo mitosis....

EP
Answered by Emily P. Biology tutor
6294 Views

Expand and simplify 3(m + 4) – 2(4m + 1)

Multiply through the 3 of the first bracket to get 3m +12. Then multiply out the second bracket by -2 to get -8m -2.

Write it out in a line: 3m + 12 - 8m -2

Simplify: -5m +10

Divide b...

TD
Answered by Tutor49422 D. Maths tutor
14850 Views

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