B Flashcards
(14 cards)
Base
A nitrogen-containing molecule that forms part of a DNA nucleotide
B-cell
A type of white blood cells involved in immune response. It produces antibodies
Benedict’s test
A biochemical test for the presence of sugars
Benign tumour
A non-cancerous tumour
Bias
When someone intentionally, or unintentionally, favours a particular result
Bile salt
A type of salt produced by the liver to aid the digestion of lipids
Binary fission
The process which prokaryotic cells replicate
Binomial system
The system used in classification for naming organisms using a two part Latin name
Biodiversity
The variety of a living organisms in an area
Biomass.
The mass of living material in an organism
Biotic condition
A living feature of an ecosystem
Biuret test
A biochemical test for the presence of polypeptides and proteins
Bohr effect
An effect which an increase in carbon dioxide in the blood results in a reduction of haemoglobin’s affinity for oxygen
Bundle of His
A group of muscle fibres in the heart, responsible for conducting waves of electrical activity from the AVN to the Purkyne fibres