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Bio 353 Exam 1 – ASU Study Guide with Complete Solutions $11.49   Add to cart

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Bio 353 Exam 1 – ASU Study Guide with Complete Solutions

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Bio 353 Exam 1 – ASU Study Guide with Complete Solutions Actin filaments: - Ans:-have a diameter of 7 nm and contain 375 amino acids Actin filaments will - Ans:-two of the above: undergo treadmilling in a living cell. and never reach equilibrium The number of amino acids in an actin monomer ...

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  • October 23, 2024
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  • Exam (elaborations)
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  • BIO 353
  • BIO 353
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Bio 353 Exam 1 – ASU Study Guide with
Complete Solutions


Actin filaments: - Ans:✔✔-have a diameter of 7 nm and contain 375 amino acids


Actin filaments will - Ans:✔✔-two of the above: undergo treadmilling in a living cell. and never reach

equilibrium


The number of amino acids in an actin monomer is - Ans:✔✔-375


Hydrolysis of ATP to ADP - Ans:✔✔-helps identify the assembly vs the disassembly end


Actin filaments associate with a nucleotide triphosphate. - Ans:✔✔-true


Treadmilling of actin filaments only occurs in a test tube - Ans:✔✔-false


Preassembled nucleaton sites in a living cell are equivalent to the intracellular preference for actin

filaments - Ans:✔✔-true


Intracellular preference for actin filaments - Ans:✔✔-is a way to look at the geography of the cell and

show where the role of actin filaments is important.




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FIRST PUBLISH OCTOBER 2024




The ability of actin filaments to disassemble into small monomers - Ans:✔✔-two of the above


What causes a myosin II molecule to be able to form a bipolar fiber - Ans:✔✔-Calcium binding to

calmodulin.


The diameter of the actin filament is ...... nm - Ans:✔✔-7


Actin filaments will only assemble in parallel bundles - Ans:✔✔-false


The ability of actin filaments to disassemble into small monomers - Ans:✔✔-enables the building blocks

of actin filaments to move from one side of the cell to the other.


Transmembrane Proteins - Ans:✔✔-can move laterally and cannot flip 180˚in the membrane.


From the following, where would a proline residue be least likely to be? - Ans:✔✔-in the middle of an

alpha helix


The presence of 2 disulfide bonds near each other is a good thing when a stretch of protein is to be

immobilized. - Ans:✔✔-true


Submembrane cytoskeletons can provide shape to a cell - Ans:✔✔-true


Beta pleated sheets can provide a unique environment on one side of the sheet relative to the other side

of the sheet because of the types of side groups that can accumulate there. - Ans:✔✔-true




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