B2.3 Cell specialization Quiz
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5 questions, one answer each
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1. A cell from an early embryo that can form a placenta and a whole organism is:
- A. Multipotent
- B. Pluripotent
- C. Totipotent
- D. Differentiated
2. What is the SA:V of a cube of side 5 cm?
- A. 0.83 cm⁻¹
- B. 1.2 cm⁻¹
- C. 5 cm⁻¹
- D. 6 cm⁻¹
3. Bone marrow stem cells are best described as:
- A. Totipotent
- B. Pluripotent
- C. Multipotent
- D. Unable to divide
4. The need of a cell for exchange of materials depends mainly on its:
- A. Surface area
- B. Volume
- C. Shape
- D. Number of nuclei
5. Why do cells in one embryo express different genes?
- A. They have different genomes
- B. They receive different concentrations of signalling molecules
- C. They undergo meiosis
- D. They lose chromosomes