AQA A LEVEL BIOLOGY
the krebs cycle takes place in the _______ of the ___________ - Answer-matrix mitochondria
epistasis - Answer-arises when the allele of one gene affects or masks the expression of another in the phenotype
autosome - Answer-a chromosome that is not a sex chromosome
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AQA A LEVEL BIOLOGY
the krebs cycle takes place in the _______ of the ___________ - Answer-matrix mitochondria
epistasis - Answer-arises when the allele of one gene affects or masks the expression of another in
the phenotype
autosome - Answer-a chromosome that is not a sex chromosome
biodiversity - Answer-the range and variety of genes, species and habitats within a particular region
biomass - Answer-the total mass of living material, normally measured in a specific area over a given
period of time
intraspecific competition - Answer-competition between organisms of the same species
interspecific competition - Answer-competition between organisms of different species
krebs cycle - Answer-series of aerobic biochemical reactions in the matrix of the mitochondria of
most eukaryotic cells by which energy is obtained through the oxidation of acetylcoenzyme A
produced from the breakdown of glucose
meiosis - Answer-the type of nuclear division in which the number of chromosomes is halved
mutation - Answer-a sudden change in the amount or the arrangement of the genetic material in the
cell
NADP - Answer-a molecule that carries electrons produced in the light dependent reaction of
photosynthesis
selection - Answer-process that results in the best-adapted individuals in a population surviving to
breed and so pass their favourable alleles to the next generation
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