Biology

Cards (112)

  • Where does blood leave the kidney ?renal vein
  • What is kidney disease indicated by?
    blood, cells Or protein in urine
  • What is the use of the ureter ?
    A tube that carries urine from kidney to bladder
  • What is an issue with having a kidney transplant?
    risk of rejection
  • What is an issue with having regular dialysis treatment ?
    expenaive for the NHS
  • What does freezing do to bacterial growth?
    stops it
  • What is it called when colonies of bacteria are too close together?
    clumping
  • what is a water jacket used for?
    to control temperature
  • What’s one aseptic technique ?
    flaming the wire loop
  • What is a danger with new drug treatments ?
    possible unknown long term effects
  • what is a pathogen ?
    micro organisms that cause a disease
  • What are the four mirco organisms that cause disease ?
    viruses fungi bacteria protists
  • What are ways disease can spread ?
    areasol, bodily fluid, contaminated food, insects, contact
  • How is AIDs spread ?
    Through blood to blood contact
  • State one antibiotic ?
    penicillin
  • What is classification?
    the sorting of organisms which have similar features and characteristics into groups.
  • What are the levels of classi called as a whole ?
    Hierarchal taxa
  • What is an invertebrate ?
    an animal without a backbone
  • Why do scientists use scientific names for animals?
    to avoid confusion with common name internationally
  • Name a morphological adaptation of a polar bear ?
    a fur white coat to keep them warm and camouflaged form prey and predators
  • What is population size ?
    how many of one type of plant or animal there is in a given ecosystem
  • What is an effect which may effect animal population size ?
    number of predators
  • What may effect plant population size ?
    number of herbivores
  • What is interspecific competition ?
    different species competing
  • What is biodiversity ?
    Variety of different species and number of individuals within each species
  • What is one reason humans are causing a problem for bio diversity ?
    more land is needed for farming
  • What is one way to reduce biodiversity ?
    captive breeding programmes
  • What is one point to consider for Quadrats ?
    The position to avoid bais results
  • What is capture recapture used for ?
    to estimate the population size of a animal or species
  • What is a point to consider for capture recapture ?
    no Immigration or emigration
  • What’s an invasive species ?
    an organism that has been accidentally brought to an area and causing issues
  • What’s an issue with invasive species ?
    native species may not be able to compete
  • Why is a high level of biodiversity important to an area ?
    if environment changes some species will still be able to compete
  • What is cancer caused by ?
    uncontrolled mitosis
  • What’s an Ethical issue with embryonic stem cells ?
    destruction of potential life
  • What is an allele ?
    a different version of the same gene
  • What is a positive thing about adult stem cells ?
    no rejection
  • Produces genetically identical daughter cells ?
    mitosis
  • Four daughter cells are produced ?
    meosis
  • What is a stem cell ?
    an undifferentiated cell that can specialise to become other cell types