Following statements regarding to signaling pathways that control the properties of germline stem cells in drosophila.

A. The signaling molecules—the TGF-β-family proteins Dpp and Gbb as well as Hedgehog (Hh)—are maintain the self -renewal property of germline stem cells by the repression of differentiation factor.

B. Both E-cadherin and Arm are important in maintaining the germline stem-cell niche and regulate the proliferation of stem cells.

C. The signaling molecules—the TGF-β-family proteins Dpp and Gbb as well as Hedgehog (Hh)—are maintain germline stem cell
niche as well as self-renewal property.

D. Both E-cadherin and Arm are important in maintaining the self -renewal property of germline stem cells by the repression of differentiation factor.

Which of the following is correct?

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#Question id: 11502

#Unit 9. Diversity of Life Forms

Which of these statements is false and therefore does not support the hypothesis that certain eukaryotic organelles originated as bacterial endosymbionts? Such organelles

TLS Online TPP Program

#Question id: 12952

#Unit 7. System Physiology – Animal

Which of the following changes would tend to increase Ca2+ reabsorption in the renal tubule?

TLS Online TPP Program

#Question id: 1151

#Unit 4. Cell Communication and Cell Signaling

Which enzyme plays a role in regulating rhodopsin-induced closing of cation channels?

TLS Online TPP Program

#Question id: 2313

#Unit 2. Cellular Organization

In which of the following cells would you expect to find the most mitochondria?

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#Question id: 428

#Unit 1. Molecules and their Interaction Relevant to Biology

The most biochemically complex organisms are ________.