BIOL 4100 EXAM 4 REVIEW QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
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BIOL4100
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BIOL4100
BIOL 4100 EXAM 4 REVIEW QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
Actin filaments
a. are polar
b. are non-polar
c. could be either polar or non polar
a. are polar
Microtubules are
a. are polar
b. are non-polar
c. could be either polar or non-polar
a. are polar
Int...
biol 4100 exam 4 review questions and answers with
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BIOL 4100 EXAM 4 REVIEW QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
Actin filaments
a. are polar
b. are non-polar
c. could be either polar or non polar
a. are polar
Microtubules are
a. are polar
b. are non-polar
c. could be either polar or non-polar
a. are polar
Intermediate filaments
a. are polar
b. are non-polar
c. could be polar or non-polar
b. are non-polar
T/F: Actin filaments are associated with molecular motors
True
T/F: Intermediate filaments are associated with molecular motors
False
T/F: Microtubules are associated with molecular motors
, True
Actin binds
ATP
Tubulin binds
GTP
Intermediate filaments do not
bind nucleotides
What subunit(s) of tubulin can bind nucleotide triphosphate?
a. Both subunits
b. Only alpha subunit
c. Only beta subunit
a. Both subunits
What subunit(s) of tubulin can cleave nucleotide triphosphate?
a. only beta subunit
b. only alpha subunit
c. both alpha and beta subunits
a. only beta subunit
Which statement correctly describes directionality of various types of myosin?
a. all types of myosin walk toward plus end of filament
b. all types of myosin walk toward minus end of filament
c. most types of myosin walk toward plus end and few toward the minus end
d. most types of myosin walk toward minus end and few toward the plus end
c. most types of myosin walk toward plus end and few toward the minus end
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