Top answers

How do mutations make non-functional enzymes?

Mutations are changes to the base sequence. The base sequence determines the amino acid sequence. A different base sequence therefore codes for a different amino acid sequence. Amino acids interact with each...
CB
Answered by Chris B. • Biology tutor
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How are signals transferred across a synapse?

The function of the synapse is to transfer electric activity from one cell to another. At chemical synapses, the presynaptic neuron is separated from the postsynaptic neuron by a synaptic cleft. Transmission...
CW
Answered by Caroline W. • Biology tutor
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What is functional RNA?

Non-coding RNA.The sequence of Messenger RNA codes for a protein so is not functional RNA. However some RNA has catalytic function, such as ribosomal RNA, doesn't code for proteins so is functional RNA. Tran...
EC
Answered by Edward C. • Biology tutor
15429 Views

What is meant by the term "degenerate" when describing DNA? Why does it occur and what are its implications for protein structure?

"Degenerate" refers to redundancy in the genetic code. Amino acids, the building blocks of proteins, are encoded by codons of three nucleotide bases. Some amino acids are encoded by more than one c...
AM
Answered by Abigail M. • Biology tutor
62838 Views

Give 3 ways in which the properties of ATP make it a suitable source of energy in biological processes.

Break down involves a single reaction (speed) Energy is released in small, manageable amounts. Soluble
MT
Answered by Molly T. • Biology tutor
14803 Views