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How could ionic interactions be used in DNA-RNA hybridisation?

The DNA double helix consists of many hydrogen bonds between the base pairs, but in addition there are negatively charged phosphate molecules as a key component of the sugar-phosphate backbone of DNA strands...
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Answered by Mohammed A. • Biology tutor
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What is ocean acidification?

Ocean acidification is caused by the chemical reaction of CO2 dissolving into seawater, where it immediately dissociates into carbonic acid and then into bicarbonate and hydrogen ions which decreases the pH ...
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Answered by Lulu S. • Biology tutor
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What benefits does compartmentalisation confer on cells?

Intro: Look at caveats in the question:Not all cells are compartmentalised - e.g. prokaryotic cellsThis therefore tells us that compartmentalisation is likely an adaption to a set of biological niches.(If co...
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Answered by Guy P. • Biology tutor
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Discuss how model organisms have been useful in understanding named aspects of regenerative biology and/or regenerative medicine.

A model organism is a non-human species that is studied to understand biological phenomena. They are used when human experiments are difficult or unethical. One of the model organisms that was the focus of r...
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Answered by Alicja B. • Biology tutor
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Which two methods of single cell transcriptomic data ordering could be used to understand how gene expression changes as stem cells differentiate.

Clustering involves grouping together genes or cells or both based on similarities. This involves the formation of subpopulations. Pseudotemporal ordering puts cells in order of progression through a biologi...
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Answered by Alicja B. • Biology tutor
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