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What are the 5 conditions for the Hardy Weinburg equiliberium? And if all of these conditions are met what does the equiliberium state?

The 5 conditions are: Large population, rnadom mating, no mutations, no migration (immegration or emmigration from the population) and no natural selection. If all those conditions are met it states that the...
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Answered by Suzannah E. • Biology tutor
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Describe how the lac operon works when lactose is both present and absent.

When lactose is absent the lac operon is switched off. This is becasue a repressor protein is produced which binds to the operator region. This prevetns RNA polymerase from binding to the operon and therefor...
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Answered by Suzannah E. • Biology tutor
29744 Views

Describe the stages in DNA transcription and translation

First DNA helicase unwinds the strand of DNA. Then, DNA polymerase binds to the anti-sense strand of the DNA and adds RNA nucleotides in a sequence complementary to the strand of DNA. The DNA polymerase cata...
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Answered by Iona N. • Biology tutor
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How does Acetylcholine act on a neuronal synapse, and how is it re-uptaken?

- Ca2+ voltage gated channels are activated due to an action potential reaching the synapse - Acetylcholine rests in the pre-synaptic cleft - They are stored in vesicles - The calcium influx causes the vesic...
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Answered by Krishan R. • Biology tutor
3122 Views

Outline the process of mitosis

Meiosis is the process of cell division that produces two identical diploid cells, and consists of four stages. The first stage is called prophase, where the chromosomes condense and cross over to form bival...
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Answered by Anastasia R. • Biology tutor
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