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Describe the process of DNA replication

During DNA replication, the enzyme DNA helicase separates the two strands by breaking the hydrogen bonds between bases of each strand. Activated DNA nucleotides hydrogen bond with the exposed complementary b...
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Answered by Dani H. • Biology tutor
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Of what smaller molecules are carbohydrates made of and what is their main function in the body?

Carbohydrates are made of glucose and their mainly used for respiration to produce energy.
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Answered by Eleni P. • Biology tutor
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What part of the eye carries information to the brain?

The optic nerve.
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Answered by Eleni P. • Biology tutor
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Explain how the structure of the lung enables rapid gas exchange?

The lungs have many alveoli which provide large surface area thus diffusion occurs quicker. The alveoli have walls that are one cell thick providing a short distance for diffusion. In addition, there is an e...
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Answered by Eleni P. • Biology tutor
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Sketch the graphs of y = f(x), y = g(x) and find the point(s) where f and g intersect.

f and g can be any linear, quadratic or cubic equation in terms of x, with exponential functions, logarithmic functions and modulus functions etc. May also be given a specific domain given. Sketch first, sta...
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Answered by Tommy P. • Maths tutor
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