How is the structure of kinesin related to its function?
A) Kinesin has two intertwined polypeptides that make up the stalk and enable it to contract and shorten.
B) Kinesin has a tail region that binds to vesicles and two heads that can attach to microtubules.
C) The kinesin tail has an ATP binding site to fuel its activities.
D) Kinesin has two heads to attach to the vesicle being moved and a tail region that attaches to microtubules.
Answer: B
You might also like to view...
Four of the five answers listed below are components of the mixture used in Miller and Urey's experiment. Select the exception
a. ammonia b. methane c. water d. hydrogen e. oxygen
Nucleotides have a phosphate group attached at the ________ carbon atom of the sugar.
A. 3' B. 2' C. 5' D. 1'
Answer the following questions true (T) or false (F)
1. Images of living specimens can be produced using atomic force microscopes. 2. Specimens are visible on a phase contrast microscope because they refract the light that illuminates them. 3. Reactions that are both catabolic and anabolic are amphibolic.
Which of the following cells can use nonphagocytic means to kill bacteria?
A) eosinophils B) macrophages C) neutrophils D) natural killer cells E) both eosinophils and neutrophils