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Kinesin: Quiz


Question 1: Large molecules synthesised in the cell body, intracellular components such as vesicles, and organelles such as mitochondria are too large (and the ________ too crowded) to diffuse to their destinations.
MitochondrionMetabolismCytosolCell (biology)

Question 2: ________ (1A, 1B, 1C, MYH1, MYH2, MYH3, MYH4, MYH6, MYH7, MYH7B, MYH8, MYH9, MYH10, MYH11, MYH13, MYH14, MYH15, MYH16)

Question 3: The active movement of kinesins supports several cellular functions including mitosis, ________ and transport of cargo such as axonal transport.
ChromosomeMeiosisCell cycleCell division

Question 4: ________ (A1, A2, B, C1, G1, G2)

Question 5: Kinesins are motor proteins that transport such cargo by walking unidirectionally along microtubule tracks hydrolysing one molecule of ________ (ATP) at each step.
Adenosine monophosphateAdenosine triphosphateAdenosine diphosphateCytidine triphosphate

Question 6: 1 – ________, 2 – KLC2, 3 – KLC3, 4 – KLC4

Question 7: In the cell, small molecules such as gases and ________ diffuse to where they are needed.

Question 8: Kinesins are related structurally to ________, which hydrolyze GTP instead of ATP.
G proteinPlasma membrane Ca2+ ATPaseRas (protein)GTPase

Question 9: [2] It was thought that ATP ________ powered each step, the energy released propelling the head forwards to the next binding site.

Question 10: The mechanism by which the ________ of the daughter cell separates from that of the mother cell was unclear.


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