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How do enzymes lower the activation energy of reactions?

Enzymes are biological catalysts for lowering activation energy - the speed up the rate of reactions and all allow biological reactions involved in metabolic processes to take place at bo...

Answered by Katie J. • Biology tutor

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What is type 1 diabetes and give two ways in which it can be controlled.

Type 1 diabetes is condition whereby the pancreas doesn't produce enough insulin, as a result the individual's blood sugar levels can rise to a dangerously high level that can be fatal.There are two key w...

Answered by Samirah O. • Biology tutor

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Can you please describe 3 cell structures that a plant cell has that an animal cell does not have.

Chloroplasts- green organelle that contains chlorophyll which absorbs sunlight needed for photosynthesis (LIKE A SOLAR PANEL)Cell wall- they have in addition to a cell me...

Answered by Jonathan D. • Biology tutor

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The allele y occurs with a frequency of 0.8 in a population of clams. Give the frequencies of the genotypes YY, Yy and yy.

To do this we use the Hardy-weinburg equation.p²+2pq+q²=1frequency of y = q, frequency of Y=pFirst we work out the frequency of Y(p)p+q=11-0.8=0.2p=0.2Then we plug our p and q values...

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