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Biology
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What is the difference between transcription and translation?

Both transcription and translation are involved in protein synthesis, transferring the information stored as DNA to amino acids. Transcription is the first process of the two, it is the formation of mRNA ...

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Answered by Emily S. Biology tutor
4367 Views

How do muscles contract? Describe the sliding filament theory.

When an action potential from a motor neurone stimulates a muscle cell, a number of things happen to cause sarcomeres (the smallest contracting unit of a muscle cell) to shorten and contract very rapidly....

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Answered by Isabel L. Biology tutor
3111 Views

Distinguish between the structure of plant and animal cells

A number of differences exist between the structure of animal cells and plant cells. The most prominent difference is the presence of both cell walls and cell membranes in plants, while animal cells only ...

JK
Answered by Joanna K. Biology tutor
2247 Views

Describe how water, ions and sugar are obtained and transported through plants.

Water
Water is obtained from the soil into the roots of the plant. This occurs via osmosis, which is the movement of high water potential to low water potent...

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Answered by Olivia H. Biology tutor
6668 Views

Explain how meiosis promotes genetic diversity

Meiosis occurs to produce haploid gametes required for sexual reproduction. It promotes genetic diversity in 3 different ways: crossing over, independent assortment and random fertilisation.Crossing over ...

JA
Answered by James A. Biology tutor
6452 Views

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