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Membranes within the cell are used in compartmentalisation for numerous reasons- one being to allow processes to occur separately in different organelles without interacting and affecting other processes,...

The genotype for someone heterozygous for the cystic fibrosis allele would be Ff. Thus the father’s genotype (including sex chromosomes) would be FfXY and the mother’s wo...

The liver has 4 main functions. In detoxification, toxins (poisonous chemicals produced by living cells or organisms) are broken down, often by enzymes found in the liver, for example catalase which break...

Xerophyte adaptations include: Curled leaves - create a micro-climate of more humid surrounding air, hence less water is lost to the dry surroundings. Small hairs on leaves - slow surrounding air flow, th...

DNA helicase unwinds DNA by breaking H bonds between DNA strands. DNA polymerase joins adjacent nucleotides by forming phosphodiester bonds between them.