TA Section 7 (4/4)

TA Section 7 (4/4)

University

25 Qs

quiz-placeholder

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TA Section 7 (4/4)

TA Section 7 (4/4)

Assessment

Quiz

Biology

University

Medium

Created by

Madeline Clark

Used 1+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

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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