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TLS Online TPP Program

#Question id: 2526

cell walls essential and are important features of plant cells that perform a number of essential functions. Which of the following is not the characteristics of cell wall?

#Unit 2. Cellular Organization

  1. Cells are glued together by their walls, preventing cell sliding, slippage, and motility

  2. The cell wall acts as a cellular “exoskeleton” that controls cell shape and allows high turgor pressures to develop

  3. cell wall acts as a diffusion barrier that exceeds the size and kinds of molecules that can reach the plasma membrane, both through sieving effects and through ionic and covalent interactions

  4. sensory proteins are partly anchored in the cell wall and form a bridge to the plasma membrane

More Questions
TLS Online TPP Program

#Question id: 1915

#Unit 4. Cell Communication and Cell Signaling

Of the following, which is the cadaveric organ with the best survival 5-years post-transplant?
TLS Online TPP Program

#Question id: 161

#Unit 1. Molecules and their Interaction Relevant to Biology

Two amino acids of the standard 20 contain sulfur atoms.  They are:
TLS Online TPP Program

#Question id: 4582

#Unit 11. Evolution and Behavior

 Fossils found in strata reveal that ________.
TLS Online TPP Program

#Question id: 2662

#Unit 2. Cellular Organization

In the tryptophan operon, tryptophan serves as ________________.
TLS Online TPP Program

#Question id: 1801

#Unit 4. Cell Communication and Cell Signaling

Which of the following is the earliest site of hematopoiesis in the embryo?