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If x = 3, what is the value of 2x^2

As we are told that the value of x is equal to 3, we are able to substitute this into our equation, so it becomes: 2(3)^2. We then use the rules of BIDMAS, so we must square the number 3 first (meaning we mu...
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Answered by Satveer R. • Biology tutor
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Which food chain has the highest proportion of energy transfer. Grass -> cow -> human. Grass -> grasshopper -> rat -> snake. Rice -> human

Rice -> human. due to it having the fewest trofic levels (stages in the food chain) with each trofic level energy is lost through heat and movement as well as energy lost due to unabsorbtion in the digest...
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Answered by Ryan M. • Biology tutor
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How does respiration occur in living cells?

Glucose is broken down using oxygen. This releases energy from the bonds of glucose. The products are carbon dioxide and water.
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Answered by Nastia V. • Biology tutor
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What is asexual reproduction and what are its features?

Asexual reproduction is where an organism produces offspring which is genetically identical to itself, without fertilisation happening The main identifying feature of asexual reproduction is that there is on...
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Answered by Sam W. • Biology tutor
14583 Views

What is the function of a ribosome within an animal cell?

A ribosome is the centre of protein synthesis within an animal cell. Translation and transcription of DNA takes place within a ribosome, meaning the genes are read and a messengerRNA provides transfer and ri...
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Answered by Ashleigh H. • Biology tutor
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