Stem cells
A - VCE - SSCE Biology - Question 5 - 2011 - Paper 1
Question 5
Stem cells
A. are used in human reproductive cloning.
B. are also called adult (somatic) cell types.
C. can be obtained from a 2 or 4 cell embryo.
D. can differe... show full transcript
Worked Solution & Example Answer:Stem cells
A - VCE - SSCE Biology - Question 5 - 2011 - Paper 1
Step 1
A. are used in human reproductive cloning.
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Answer
This statement is false. Stem cells are typically used for therapeutic applications and research, while reproductive cloning involves the creation of a new organism using somatic cell nuclear transfer.
Step 2
B. are also called adult (somatic) cell types.
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Answer
This statement is true. Adult stem cells, also known as somatic stem cells, are undifferentiated cells found throughout the body that can become specialized cell types.
Step 3
C. can be obtained from a 2 or 4 cell embryo.
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This statement is false. Stem cells are usually derived from the blastocyst stage of embryonic development, typically around the 5-7 day mark, not from a 2 or 4 cell embryo.
Step 4
D. can differentiate into a limited number of cell types.
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Answer
This statement is partially true. Adult stem cells can typically differentiate into a limited range of cell types relevant to their tissue of origin, while pluripotent stem cells can differentiate into almost any cell type.
