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TLS Online TPP Program

#Question id: 2423

What is the function of thymosin beta-4?

#Unit 2. Cellular Organization

  1. Thymosin beta-4 is a F-actin sequestering protein that functions to maintain a relatively high F-actin concentration in cells.

  2. Thymosin beta-4 is a G-actin degrading protein that functions to maintain a relatively low G-actin concentration in cells.

  3. Thymosin beta-4 is a G-actin sequestering protein that functions to maintain a relatively high G-actin concentration in cells.

  4. Thymosin beta-4 is a G-actin sequestering protein that functions to maintain a relatively high G-actin concentration in cells.

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TLS Online TPP Program

#Question id: 15606

#Unit 12. Applied Biology

A biopolymer which is stable in extreme physical and chemical environments, and exhibits physical and chemical properties similar to those of a plastic known as
TLS Online TPP Program

#Question id: 19832

#Unit 12. Applied Biology

The single component system is based on the expression of a toxic polypeptide in response to
TLS Online TPP Program

#Question id: 5234

#Unit 11. Evolution and Behavior

Which of the following would, if it had acted upon a gene, prevent this gene from acting as a reliable molecular clock?
TLS Online TPP Program

#Question id: 2200

#Unit 2. Cellular Organization

A neurotransmitter that binds to a postsynaptic cell and opens K+ channels:
TLS Online TPP Program

#Question id: 11240

#Unit 9. Diversity of Life Forms

 Which of the following requires ATP to function, and permits some species to respond to taxes (plural of taxis)?