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TLS Online TPP Program

#Question id: 7313

Which of the following statement incorrect about the meristem?

#Unit 5. Developmental Biology
  1. Meristems are clusters of cells that allow the basic body pattern established during embryogenesis to be reiterated and extended after germination.
  2. Apical meristems occur at the growing shoot and root tips.
  3. Root apical meristems produce the root cap, which consists of lubricated cells that are sloughed off as the meristem is pushed through the soil by cell division and elongation in more proximal cells.
  4. New shoot apical meristems are initiated from tissue within the core of the root and emerge through the ground tissue and dermal tissue.
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TLS Online TPP Program

#Question id: 2357

#Unit 2. Cellular Organization

The semi-fluid portion of the nucleus is called the ____.
TLS Online TPP Program

#Question id: 2472

#Unit 2. Cellular Organization

In response to a chemotactic signal, a cell forms structures to aid in locomotion. In lamellipodia, active Rac will stimulate F-actin polymerization at the leading edge via _____, whereas actin that will form stress fibers will be recruited by formin downstream of activation of this small GTPase _____.
TLS Online TPP Program

#Question id: 11434

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following structure will exits at pH 5.5 and 10.
TLS Online TPP Program

#Question id: 27117

#Unit 4. Cell Communication and Cell Signaling

Most tumors have an unique property to induce the formation of new blood vessels that invade the tumor andnourish. This process is known as
TLS Online TPP Program

#Question id: 1281

#Unit 4. Cell Communication and Cell Signaling

Which of the following is the term used to describe a thin, sheet-like meshwork of extracellular matrix components that can be found in epithelial cells?