Lesson 3.4.1
3.4.1 Stem cells, pluripotency and totipotency Quiz: Pearson Edexcel Biology, Unit 3
20 questions
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Lesson 3.4.1, Stem cells, pluripotency and totipotency: 20 multiple choice questions for the Pearson Edexcel Biology (9BI0), Unit 3: Voice of the Genome, written with Revision Ninja.
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The 20 questions
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Which term describes an unspecialised cell that can divide and differentiate?
- Gamete
- Stem cell
- Differentiated cell
- Somatic cell
-
Which term describes the ability to give rise to all cell types including extra-embryonic tissues?
- Pluripotency
- Multipotency
- Totipotency
- Unipotency
-
Which cell type can differentiate into any body cell, but not extra-embryonic tissues?
- Totipotent stem cells
- Unipotent stem cells
- Pluripotent stem cells
- Multipotent stem cells
-
Which type of cell in mammals retains full totipotency?
- Red blood cell
- Somatic cell
- Zygote
- Embryonic stem cell
-
What level of potency is typically shown by adult stem cells?
- Pluripotency
- Unipotency
- Multipotency
- Totipotency
-
Which ability demonstrates that many mature plant cells remain totipotent?
- Regenerating whole plants
- Producing haploid spores
- Forming animal tissues
- Undergoing binary fission
-
Which stem cell treatment is an established medical procedure?
- Spinal cord regeneration
- Whole organ cloning
- Retinal gene replacement
- Bone marrow transplant
-
What primary ethical issue surrounds the extraction of embryonic stem cells?
- Genetic mutation risks
- High financial cost
- Destruction of embryos
- Transmission of viruses
-
What name is given to adult body cells reprogrammed to behave like embryonic stem cells?
- Multipotent lineages
- Totipotent zygotes
- Adult somatic cells
- Induced pluripotent cells
-
Which sequence shows stem cell potency decreasing from highest to lowest?
- Multipotent to pluripotent
- Unipotent to totipotent
- Pluripotent to totipotent
- Totipotent to unipotent
-
A stem cell divides to produce two cells, one of which remains a stem cell and one of which becomes specialised. What is this process called?
- Cytokinesis only
- Binary fission
- Asymmetric division
- Meiosis
-
What process occurs when a stem cell divides to maintain its population?
- Apoptosis
- Self-renewal
- Differentiation
- Specialisation
-
Which tissue can be formed by totipotent cells but not by pluripotent cells?
- Epithelium
- Nerve tissue
- Placenta
- Heart muscle
-
Which type of tissue can totipotent cells form that pluripotent cells cannot?
- Nervous tissues
- Connective tissues
- Extra-embryonic tissues
- Epithelial tissues
-
Which term describes the process where an unspecialised cell becomes specialised?
- Fertilisation
- Transcription
- Differentiation
- Polymerisation
-
Which level of stem cell potency describes cells that form multiple blood cell types only?
- Totipotent
- Unipotent
- Pluripotent
- Multipotent
-
Which part of an early blastocyst provides human embryonic stem cells?
- Trophoblast
- Cortical granules
- Inner cell mass
- Zona pellucida
-
Which source of human stem cells raises the greatest ethical debate regarding embryo destruction?
- Embryonic stem cells
- Adult stem cells
- Induced pluripotent cells
- Umbilical cord cells
-
A cell is found to have the potential to become any cell of the body except the placenta. Which term describes it?
- Multipotent
- Unipotent
- Totipotent
- Pluripotent
-
What causes differentiated cells to produce different proteins despite having identical DNA?
- DNA replication
- Selective gene expression
- Chromosome duplication
- Gene loss
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