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2024 AQA A LEVEL BIOLOGY EXAM WITH CORRECT ANSWERS
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2024 AQA A LEVEL BIOLOGY EXAM WITH CORRECT ANSWERS
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2024 AQA A LEVEL BIOLOGY EXAMWITH CORRECT ANSWERS
the krebs cycle takes place in the _______ of the ___________ - CORRECT-
ANSWERSmatrix mitochondria
epistasis - CORRECT-ANSWERSarises when the allele of one gene affects or
masks the expression of another in the phenotype
mutation - CORRECT-ANSWERSa sudden change in the amount or the
arrangement of the genetic material in the cell
NADP - CORRECT-ANSWERSa molecule that carries electrons produced in the
light dependent reaction of photosynthesis
selection - CORRECT-ANSWERSprocess that results in the best-adapted
individuals in a population surviving to breed and so pass their favourable
alleles to the next generation
selection pressure - CORRECT-ANSWERSthe environmental force altering the
frequency of alleles in a population
stroma - CORRECT-ANSWERSmatrix of a chloroplast where the light-
independent reaction of photosynthesis occurs
substrate-level phosphorylation - CORRECT-ANSWERSthe formation of ATP by
the direct transfer of a phosphate group from a reactive intermediate to ADP
stabilising selection - CORRECT-ANSWERSpreserves the average phenotypes
(ones around the mean) of a population by favouring average individuals. in
other words, selection against the extreme phenotypes
- CORRECT-ANSWERS
autosome - CORRECT-ANSWERSa chromosome that is not a sex chromosome
biodiversity - CORRECT-ANSWERSthe range and variety of genes, species
and habitats within a particular region
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