Which is made up of 13 proto-filaments arranged in a cylinder?

TA Section 7 (4/4)

Quiz
•
Biology
•
University
•
Medium
Madeline Clark
Used 1+ times
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Microtubules
Intermediate Filaments
Actin Filaments
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tubulin-GDP/Actin-ADP have ___ affinity for growing microtubules/filaments than the ATP-bound form.
higher
lower
the same
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
___ are used to explore the environment, while ___ are used to conduct movement along a substrate.
Actin filaments, integrins
Integrins, actin filaments
Lamellipodia, filipodia
Filipodia, lamellipodia
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kinesin and dynein are molecular motors that "walk" along which of the following?
Microtubules
Intermediate filaments
Actin filaments
Nuclear lamina
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
M-CdK is inhibited by ____ and activated by ____.
phosphorylation (Wee1), dephosphorylation (Cdc25)
Dephosphorylation (Wee1), phosphorylation (Cdc25)
phosphorylation (Cdc25), dephosphorylation (Wee1)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
p53 is a ___ that is active when DNA damage is detected.
kinase
transcription factor
CdK inhibitor
transcription factor inhibitor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cohesin and condensin both form rings and bind to chromatids during mitosis. Which is involved in the packing of nucleosomes into a tighter chromosome structure?
Cohesin
Condensin
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