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Describe and explain what happens to enzyme activity as the pH is decreased below the optimum pH.

Describe: As the pH decreases below the optimum, enzyme activity also decreases. Explain: As pH decreases, the concentration of hydrogen ions increases (the environment becomes more acidic). Enzymes are prot...
ER
Answered by Emma R. • Biology tutor
58962 Views

If the rate of photosynthesis is reduced, why is the rate of respiration also reduced?

Photosynthesis uses light energy to produce glucose from carbon dioxide in the air and water in the soil. Glucose is then used in respiration, so if there is a reduced rate of photosynthesis, less glucose is...
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Answered by Jasmine S. • Biology tutor
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Explain what is meant when the genetic code is described as 'degenerate'.

DNA is made up of sequence of nucleotides ( a phosphate, a pentose sugar and nitrogenous base). It is the sequence of bases on the DNA strand that codes for proteins. A sequence of three bases is called and ...
SB
15320 Views

How does a chemical synapse work?

Let's consider a synapse between an axon and a dendrite. To illustrate that an action potential is transmitted from the axon to the dendrite, the last portion of the axon, coming in contact with the dendrite...
EA
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What are enzymes and how do they work?

You might have heard enzymes referred to as 'biological catalysts'. This means, just like a catalyst you might add to a reaction in a chemistry practical, these proteins function to speed up reactions in a b...
BD
Answered by Bethany D. • Biology tutor
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