5. In the mouse embryo, pluripotent stem cells are found in the (A) inner cell mass. (B) trophectoderm. (C) zona pellucida. (D) blastocoel. (E) inner cell mass and blastocoel.

5. In the mouse embryo, pluripotent stem cells are found in the
(A) inner cell mass.
(B) trophectoderm.
(C) zona pellucida.
(D) blastocoel.
(E) inner cell mass and blastocoel.

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木公診間裝潢中

B1 · 2025/03/04

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In the mouse embr...

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7. Cellular iron homeostasis is accomplished by the coordinated regulated expression of the transferrin receptor and ferritin, which mediate iron uptake and storage, respectively. There are iron responsive element (IRE) in the 5' UTR of ferritin mRNA and in the3' UTR of transferrin receptor mRNA. (1) IRE-binding proteins bind to IREs of ferritin mRNA to inhibit translation in lower iron concentration； (2) IRE-binding proteins bind to IREs of ferritin mRNA to inhibit translation in higher iron concentration； (3) IRE-binding proteins bind to IREs of transferrin receptor mRNA to stabilize mRNA in lower iron concentration； (4) IRE-binding proteins bind to IREs of transferrin receptor mRNA to stabilize mRNA in higher iron concentration. Which are correct? (A) (1) and (3) (B) (2) and (4) (C) (1) and (4) (D) (2) and (4) (E) all are incorrect

5. In the mouse embryo, pluripotent stem cells are found in the
(A) inner cell mass.
(B) trophectoderm.
(C) zona pellucida.
(D) blastocoel.
(E) inner cell mass and blastocoel.

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5. In the mouse embryo, pluripotent stem cells are found in the(A) inner cell mass.(B) trophectoderm.(C) zona pellucida.(D) blastocoel.(E) inner cell mass and blastocoel.

詳解 (共 1 筆)

相關試題

相關試卷

5. In the mouse embryo, pluripotent stem cells are found in the
(A) inner cell mass.
(B) trophectoderm.
(C) zona pellucida.
(D) blastocoel.
(E) inner cell mass and blastocoel.