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Explain how evolution by natural selection works.

Variation among genes codes for different phenotypes in a population. Individuals that have a phenotype that is better suited to their environment are more able to survive and reproduce, and therefore, have ...
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Answered by Eleanor S. • Biology tutor
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Describe how the resting potential is maintained in a neurone, and what this resting potential value is.

The resting potential of a neurone is -70 mV, which means that it's more negative in the cytoplasm than in the tissue fluid. In the membrane there are sodium-potassium pumps which work using active transport...
AE
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What are the conditions that prompt trade?

The conditions that prompt trade can be categorized into 'push' factors and 'pull' factors . Push factors refer to reasons why it may make sense to leave unfavourable domestic markets . Pull factors are attr...
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What occurs during the metaphase stage of mitosis?

Metaphase is the third stage of mitosis, following Interphase and Prophase. During interphase, the cell replicates its organelles and centrosomes and synthesis of specific proteins for mitosis occurs. During...
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Answered by Josephine M. • Biology tutor
3766 Views

Explain how Bach's Saranbande and Gigue show that it is a typical Baroque Work.

Firstly, looking the melody regularly contains conjunct and diatonic melodies with ascending, descending and arch-like shapes. There is use of fortspinnung as the melody is repeated and spun out. The tessiat...
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Answered by Naomi A. • Music tutor
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