Top answers

Biology
A Level

Describe the process that converts a genetic sequence on messenger RNA into the primary sequence of a protein

After the mRNA has exited the nucleus through the nuclear pores. Translation begins with the mRNA entering the ribosome. Next tRNA uses its three unpaired bases to bond with a specific amino and bring it ...

KY
Answered by Katherine Y. Biology tutor
3844 Views

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 p...

ER
Answered by Emma R. Biology tutor
55457 Views

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 a...

SB
14088 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 dendr...

EA
3976 Views

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 ...

BD
Answered by Bethany D. Biology tutor
5712 Views

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