Which of the following statements is (are) true of actin assembly?

a. ADP-actin can assemble into filaments.    

b. Actin (+) ends grow faster than actin (-) ends.

c. ATP-actin can assemble into filaments.

d. Toxins that alter the assembly of actin filaments have been used as tools to study actin in living cells.

TLS Online TPP Program

#Question id: 10747

#Unit 10. Ecological Principles

Extinction describes a loss of learning in _____________.

TLS Online TPP Program

#Question id: 10748

#Unit 10. Ecological Principles

Learning how much to study to earn an “a” in biology is an example of _____________.

TLS Online TPP Program

#Question id: 12278

#Unit 10. Ecological Principles

In many plant and animal communities that are found on islands, the number of species (S) changes with the area (A) of the island as follows: S = cAz, where 0 <z < 1 and c>0. Which of the following graphs best represents such a species-area relationship?

TLS Online TPP Program

#Question id: 12279

#Unit 10. Ecological Principles

Assuming that only one quail can occupy a habitat where all cover requirements are met, what is the maximum number of quail that could inhabit any of the hypothetical plots shown? 

TLS Online TPP Program

#Question id: 12280

#Unit 10. Ecological Principles

What is the effective population size of a population of 50 strictly monogamous swans (40 males and 10 females) if every female breeds successfully?

TLS Online TPP Program

#Question id: 12281

#Unit 10. Ecological Principles

For both tables the value of Shannon-Wiener Index