Explain how a totipotent stem cell line would be developed
What will be an ideal response?
Stem cell lines are created by removing cells from an embryo at the blastocyst stage of development. The cells would need to come from the 20 to 30 cells that make up the inner cell mass. The cells are then cultured and kept alive in a laboratory.
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An important mineral ion found in the cytochrome pigments of cellular respiration is ________.
A. potassium B. calcium C. magnesium D. iron E. zinc
Glycolysis, the Entner-Duodoroff pathway and the pentose phosphate pathway all produce
A. pyruvate. B. NAD. C. NADP. D. acetyl-CoA.
A unique feature of ________ is that they are tissue-specific
Fill in the blank with correct word.
Which of the following types of cells does HIV preferentially infect?
A) cytotoxic T cells B) natural killer cells C) helper T cells D) memory cells