Chemical manipulation in some instances can activate totipotency, but to recover a naturally totipotent cell, researchers need access to cells from the _____ days following fertilization.
A) gastrula, a structure developing within 14
B) blastula, a structure developing within 8-10
C) blastocyst, a structure developing within 5-7
D) morula, a structure developing within 3-4
Correct Answer:
Verified
Q8: Rapid cell proliferation can result from
A) contact
Q13: The illustration below shows the developmental sequence
Q14: A variety of therapies using adult stem
Q15: Which statement best summarizes the capabilities of
Q16: Explaining the differentiation of the numerous cell
Q18: Substantial evidence suggests that differentiation signals influence
Q19: The use of embryonic stem cells has
Q20: In the 1980s, biologists successfully transplanted the
Q21: When cells are stimulated to divide,
A)proto-oncogenes are
Q39: A protein is identified that starts a
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