1.Which of the following events is NOT involved in anteroposterior axis determination?* a. Dickkopf inhibits Xwnt8 at the posterior regionption 1 b. Cerberus inhibits BMP4 at the posterior region. c. Frizzled-related protein inhibits Xwnt8 at the anterior region d. Cerberus inhibits nodal-related protein at the anterior region    2. Which of the following statements BEST explains the dorsalizing function of the gurken gene?* a. The gurken ligands bind to torpedo receptors of follicles b. The gurken proteins inhibit pipe genes in the dorsal follicle cells. c. The gurken gene is activated at the dorsally located nucleus of the egg. d. The gurken mRNAs are synthesized at the dorsal portion of the egg cel

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1.Which of the following events is NOT involved in anteroposterior axis determination?*

a. Dickkopf inhibits Xwnt8 at the posterior regionption 1
b. Cerberus inhibits BMP4 at the posterior region.
c. Frizzled-related protein inhibits Xwnt8 at the anterior region
d. Cerberus inhibits nodal-related protein at the anterior region 
 

2. Which of the following statements BEST explains the dorsalizing function of the gurken gene?*

a. The gurken ligands bind to torpedo receptors of follicles
b. The gurken proteins inhibit pipe genes in the dorsal follicle cells.
c. The gurken gene is activated at the dorsally located nucleus of the egg.
d. The gurken mRNAs are synthesized at the dorsal portion of the egg cel
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