
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 plant cell that helps the plant stem growundifferentiated cell that can differentiate into one or more specialised cell typesa specialised cell that can differentiate into one or more specialised cell typesundifferentiated cell that can grow into a more specialised cell60s
- Q2What are adult stem cells?stem cells from embryos that can differentiate into any specialised cellwhat stem cells become when they differentiatestem cells from adults that can only differentiate into certain specialised cellsstem cells that are much older and are able to differentiate into many more cell types60s
- Q3Where are adult stem cells found?in sex cellsbone marrowembryosin the blood30s
- Q4What are embryonic stem cells?stem cells from embryos that can differentiate into any specialised cellstem cells found in sex cells that from embryosstem cells from embryos that can differentiate into only one type of specialised cellstem cells from adults that can only differentiate into certain specialised cells60s
- Q5Where are embryonic stem cells found?the bone marrowearly human embryos (usually from spare embryos from fertility clinics)the blood of newborn babiesreproductive systems60s
- 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?tissue culture cloningtherapeutic cloningadult cell cloningembryonic cell 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 patientcan only differentiate into some specialised cell types, so treat fewer diseasesethical issues surrounding their use, as every embryo is a potential life60s
- 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 patientfewer ethical issues as obtained from adults who can consent to their useethical issues surrounding their use, as every embryo is a potential lifecan only differentiate into some specialised cell types, so treat fewer diseases60s
- Q9Which of these factors is NOT a DISADVANTAGE of using adult stem cell treatment?uses an embryo therefore can raise ethical issuescan take a long time for a suitable donor to be founddonor stem cells may be rejected by the hostcan only differentiate into some specialised cell types, so treat fewer diseases60s
- Q10Which of these factors is NOT an ADVANTAGE of using embryonic stem cells?have the potential to treat a wide range of medical issuescan differentiate into any specialised cell, so can be used to treat many diseasespotential risks involved with treatments, such as transfer of viral infectionseasier to obtain as they are found in spare embryos from fertility clinics60s
- Q11Which of these factors is NOT a DISADVANTAGE of using embryonic stem cells?Embryos could come to be viewed as a commodity, and not as an embryo that could develop into a person.potential risks involved with treatments, such as transfer of viral infectionscan only differentiate into some specialised cell types, so treat fewer diseasesethical issues surrounding their use, as every embryo is a potential life60s
- Q12What are the cells in an area where rapid cell division occurs in the tips of roots and shoots plants called?plant embryonic cellsmeristemsmericellsplant stem cells60s
- Q13Which of these factors is NOT an ADVANTAGE of using plant meristems to clone plants?unknown long term effects of plants if cross pollinate with other plantsrare species can be cloned to protect them from extinctioncrops can be grown with advantageous featuresplants with special features (e.g., disease resistance) can be cloned to produce many copies60s
- Q14Which of these factors is a DISADVANTAGE of using plant meristems to clone plants?new plants will grow too quicklyrare species can be cloned to protect them from extinctionno 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