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What causes the surface tension of water?

Water molecules are dipolar - they have both positively charged and negatively charged regions due to differences in the electronegativity of atoms (this is how strongly they attract electrons). This propert...
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Answered by Hannah C. • Biology tutor
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Describe the process of transcription for a gene

DNA Helicase unwinds double helix by breaking hydrogen bonds where the gene is located.The single stranded part of the helix will act as template strand for RNA.Free floating nucleotides will attach to compl...
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Answered by Emir S. • Biology tutor
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Explain how can barren land be made habitable in reference to succession.

Prior to the formation to any ecosystem, the area can be defined as barren and without the ability to support large species flora or fauna. For an ecosystem to form the area must first be made habitable, the...
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Answered by Dylan T. • Biology tutor
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What is the process of DNA replication?

The first step is the area of DNA to be replicated is 'unzipped' by DNA helicase. 2) The separation of the two strands forms a replication fork. 3) The strand that is oriented in the 3' to 5' direction is ca...
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Answered by Habillan N. • Biology tutor
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what are the different kinds of adaptations?

Adaptations can be split into three categories: behavioural, physiological, and anatomical. Behavioural adaptations are those that change the way an organism acts, such as how it interacts with the environme...
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Answered by Charlotte J. • Biology tutor
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