The EB1 Protein Has Several Functions

question 23

Multiple Choice

The EB1 protein has several functions.Which of the following is/are true regarding EB1?

• A)It promotes microtubule growth by enhancing polymerization at the (+)end.
• B)Other microtubule plus-end tracking proteins use EB1 to "hitchhike" onto the growing microtubule.
• C)It can bind further back from the blunt end of microtubules.
• D)all of the above

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Definitions:

Bacterium's Resource

Bacterium's Resource refers to the nutrients and environmental conditions that support the growth and survival of bacteria.

Niche

The totality of an organism’s adaptations, its use of resources, and the lifestyle to which it is fitted in its community; how an organism uses materials in its environment as well as how it interacts with other organisms; also called ecological niche. See fundamental niche and realized niche.

Resource Partitioning

The reduction of competition for environmental resources such as food that occurs among coexisting species as a result of each species’ niche differing from the others in one or more ways.

Intraspecific Competition

Competition among members of the same species for resources such as food, space, and mates.