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GCSE

Describe the functions of the following components of an animal cell: nucleus, mitochondria, and the cell membrane.

The nucleus is where the genetic information of the cell is stored as DNA; the instructions for the cell's activity. The mitochondria provide energy for the cell through the process of respiration, and th...

LA
Answered by Lucy A. Biology tutor
3562 Views

Explain the process of evolution by natural selection

Variation in the population occurs through mutations. Some organisms have advantages that allow them to survive the selective pressure (thus could be Food shortage or predators) Survivors reproduce and pa...

TS
Answered by Tamara S. Biology tutor
5455 Views

How can I use language analysis in my essay to improve my marks?

Language analysis should feature heavily in the body of your essay, not in the introduction or conclusion. Language analysis can include anything specific about the vocabulary, structure and style of the ...

JT
Answered by Josie T. English tutor
6628 Views

Please sketch and factorize the quadratic 3x^2+10x+3.

The coefficient - which is a posh word for 'the bit in front' - of x^2 is in this case not 1. Thus, the quadratic formula must necessarily be used. All quadratics come in the form of ax^2+bx+c. Here, a, b...

JH
Answered by Jack H. Maths tutor
3214 Views

What main features are there in animal and plant cells? What functions do these elements serve?

Features/organelles present in both animal and plant cells include: the nucleus (where the DNA/genetic information is stored - this controls the activities of the cell), the cell membrane (a thin containi...

PW
Answered by Phoebe W. Biology tutor
10074 Views

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