#Question id: 2429
#Unit 2. Cellular Organization
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.
#Question id: 10369
#Unit 6. System Physiology – Plant
Which type of the nitrogen-fixing bacteria are thought to maintain a low oxygen concentration (microaerobic conditions) through their high levels of respiration
#Question id: 3471
#Unit 11. Evolution and Behavior
In a altruistic behavior occur between nephew and uncle, which of the following value of cost of donor and benefit of recipient respectively allowed to altruism?
#Question id: 4086
#Unit 3. Fundamental Processes
RNA interference
a. utilizes antisense RNA.
b. utilizes double-stranded RNA.
c. is used to silence expression of genes.
d. utilizes short interfering RNAs.
#Question id: 15723
#Unit 11. Evolution and Behavior