Researchers tried to explain how vesicular transport occurs in cells by attempting to assemble the transport components. They set up microtubular tracks along which vesicles could be transported, and they added vesicles and ATP (because they knew the transport process requires energy). Yet, when they put everything together, there was no movement or transport of vesicles. What were they missing? a) motor proteins b) an axon c) contractile microfilaments d) endoplasmic reticulum

Chemistry for Today: General, Organic, and Biochemistry
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ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Chapter25: Body Fluids
Section: Chapter Questions
Problem 25.12E
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Researchers tried to explain how vesicular transport occurs in cells by attempting to
assemble the transport components. They set up microtubular tracks along which
vesicles could be transported, and they added vesicles and ATP (because they knew
the transport process requires energy). Yet, when they put everything together, there
was no movement or transport of vesicles. What were they missing?
a) motor proteins
b) an axon
c) contractile microfilaments
d) endoplasmic reticulum
Transcribed Image Text:Researchers tried to explain how vesicular transport occurs in cells by attempting to assemble the transport components. They set up microtubular tracks along which vesicles could be transported, and they added vesicles and ATP (because they knew the transport process requires energy). Yet, when they put everything together, there was no movement or transport of vesicles. What were they missing? a) motor proteins b) an axon c) contractile microfilaments d) endoplasmic reticulum
Mitochondria are separated into two compartments, the matrix and the
intermembrane space, by their inner and outer membranes. How does the presence
of two compartments contribute to the function of mitochondria?
a) The double-membrane feature of mitochondria is what enables them to
glycosylate proteins.
b) It enables mitochondrial DNA and ribosomes to remain separated from the
functional compartment of the mitochondria.
c) The two compartments permit different but complementary functions to be
accomplished in the organelle.
Transcribed Image Text:Mitochondria are separated into two compartments, the matrix and the intermembrane space, by their inner and outer membranes. How does the presence of two compartments contribute to the function of mitochondria? a) The double-membrane feature of mitochondria is what enables them to glycosylate proteins. b) It enables mitochondrial DNA and ribosomes to remain separated from the functional compartment of the mitochondria. c) The two compartments permit different but complementary functions to be accomplished in the organelle.
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