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Mutations can occur in DNA. Describe what effect a mutation can have on the function of an enzyme.

A mutation is a change in the DNA base sequence. This causes a change in the amino acid that is synthesised, and this could change the shape of the active site on an enzyme. The shape of the active site may ...
MS
Answered by Mahdia S. • Biology tutor
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How is information contained in the nuclear DNA of a cell converted into proteins? Outline the role of each molecule and enzyme involved in the process.

DNA is a double-stranded nucleic acid that consists of four different bases (A, T, C, G) which make up the 'language' of the genome. Sets of three bases on the coding strand of DNA, known as a triplet codon,...
TL
Answered by Timothy L. • Biology tutor
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Describe the part played by each of the organelles involved in the production and secretion of the enzymes. (10)

The Nucleus contains the DNA code for the amino acid sequence (2) 3. The Nucleolus makes rRNA (4) 5. The Ribosomes translate mRna in protein synthesis 6. The endoplasmic reticulum allows for the transport of...
AM
Answered by Aoife M. • Biology tutor
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How does anaerobic respiration in yeast actually work?

Anaerobic respiration happens when there isn't enough Oxygen available for Oxidative Phosphorylation to occur. Without Oxidative Phosphorylation, ATP synthesis occuring across the inner mitochondrial membran...
RV
Answered by Raqib V. • Biology tutor
8525 Views

What are the differences between eukaryotic and prokaryotic cells?

Eukaryotes, including animal and plant cells, are characterised by their membrane nucleus. They contain organelles such as mitochondria, which are located in the cytoplasm bound by membranes. Eukayotic cells...
JW
Answered by Jess W. • Biology tutor
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