
B3: Cell division
Quiz by Oxford Revise Combined Science
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19 questions
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- Q1What is a stem cell?a specialised cell that can differentiate into one or more specialised cell typesundifferentiated cell that can grow into a more specialised cella plant cell that helps the plant stem growundifferentiated cell that can differentiate into one or more specialised cell types60s
- Q2What are adult stem cells?stem cells from adults that can only differentiate into certain specialised cellswhat stem cells become when they differentiatestem cells from embryos that can differentiate into any specialised cellstem cells that are much older and are able to differentiate into many more cell types60s
- Q3Where are adult stem cells found?embryosin sex cellsin the bloodbone marrow60s
- Q4What are embryonic stem cells?stem cells from embryos that can differentiate into any specialised cellstem cells from embryos that can differentiate into only one type of specialised cellstem cells found in sex cells that from embryosstem cells from adults that can only differentiate into certain specialised cells60s
- Q5Where are embryonic stem cells found?early human embryos (usually from spare embryos from fertility clinics)reproductive systemsthe blood of newborn babiesthe bone marrow60s
- Q6What do you call the type of cloning where a patient’s cells are used to create an early embryo clone of themselves so stem cells can be collected from the embryo to treat the patient’s medical conditions?embryonic cell cloningadult cell cloningtissue culture cloningtherapeutic cloning60s
- Q7Which of these factors is an ADVANTAGE of using therapeutic cloning?can take a long time for a suitable donor to be foundstem cells from the embryo are not rejected when transplanted because they have the same genes as the patientethical issues surrounding their use, as every embryo is a potential lifecan only differentiate into some specialised cell types, so treat fewer diseases60s
- Q8Which of these factors is an ADVANTAGE of using adult stem cell treatment?stem cells from the embryo are not rejected when transplanted because they have the same genes as the patientcan only differentiate into some specialised cell types, so treat fewer diseasesfewer ethical issues as obtained from adults who can consent to their useethical issues surrounding their use, as every embryo is a potential life60s
- Q9Which of these factors is NOT a DISADVANTAGE of using adult stem cell treatment?uses an embryo therefore can raise ethical issuesdonor stem cells may be rejected by the hostcan only differentiate into some specialised cell types, so treat fewer diseasescan take a long time for a suitable donor to be found60s
- Q10Which of these factors is NOT an ADVANTAGE of using embryonic stem cells?easier to obtain as they are found in spare embryos from fertility clinicspotential risks involved with treatments, such as transfer of viral infectionshave the potential to treat a wide range of medical issuescan differentiate into any specialised cell, so can be used to treat many diseases60s
- Q11Which of these factors is NOT a DISADVANTAGE of using embryonic stem cells?can only differentiate into some specialised cell types, so treat fewer diseasespotential risks involved with treatments, such as transfer of viral infectionsethical issues surrounding their use, as every embryo is a potential lifeEmbryos could come to be viewed as a commodity, and not as an embryo that could develop into a person.60s
- Q12What are the cells in an area where rapid cell division occurs in the tips of roots and shoots plants called?plant embryonic cellsmeristemsplant stem cellsmericells60s
- Q13Which of these factors is NOT an ADVANTAGE of using plant meristems to clone plants?rare species can be cloned to protect them from extinctionplants with special features (e.g., disease resistance) can be cloned to produce many copiescrops can be grown with advantageous featuresunknown long term effects of plants if cross pollinate with other plants60s
- Q14Which of these factors is a DISADVANTAGE of using plant meristems to clone plants?rare species can be cloned to protect them from extinctionnew plants will grow too quicklyno genetic variation, so, for example, an entire cloned crop could be destroyed by a diseaseplants with special features (e.g., disease resistance) can be cloned to produce many copies60s
- Q15What type of cell division forms two identical daughter cells?Users enter free textType an Answer60s