Homework Answers
the answer is all the above
Microtubules are the structural component of cytoskeleton of eukaryotic cells which that gives shape to the cell. A microtubule is made up of tubulin protein. Actin filament is a type microtubules. They are made up of double-stranded molecules of fibrous (F) actin (polymerized) and globular (G) actin (monomeric). The Actin in the cell is associated with maintaining and modifying cell shape, cytoplasmic movement and cell division. They are attached to the plasma membrane and attached to each other. During cell division actin is attached to the Z disc of sarcomere.
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Actin filaments can be anchored to Tubulin OZ-disks The plasma membrane All of the above OB...
In muscles of animals (from flies to humans), actin filaments are firmly anchored to _ so...
In muscles of animals (from flies to humans), actin filaments are firmly anchored to _ so that they can transmit forces from the thick filament to the next sarcomere. a. intermediate filament b. the basal body c. stress fibers d. the Z disc
Both actin microfilaments and tubulin microtubules can generation motion by assembly/disassembly. O True O False Question...
Both actin microfilaments and tubulin microtubules can generation motion by assembly/disassembly. O True O False Question 5 (1 point) Both actin microfilaments and tubulin microtubules can generate motion by sliding filaments. O True O False Question 6 (1 point) Both actin microfilaments and tubulin microtubules have functional association with ATPases. True O False
of the three types of fibers; microfilaments (or and intermediate filaments are fibers with diameters in...
of the three types of fibers; microfilaments (or and intermediate filaments are fibers with diameters in a Microtubules are the filaments) are the middle range. Microtubules are hollow rods about 25 nm in diameter and 200 nm to 25 um in length. Microtubule fibers are constructed of the globular protein A tubulin dimer consists of two slightly different polypeptides: a-tubulin and B-tubulin. Microtubules shape and support the cell and serve as tracks to guide motor proteins carrving organelles to their...
Propose an experiment to identify actin filaments and microtubules in living cells. Propose an experiment...
Propose an experiment to identify actin filaments and
microtubules in living cells.
Propose an experiment that could examine whether vesicles
containing glut4 move along
microtubules near the plasma membrane.
c. Draw out a dataset that would indicate that glut4 vesicles
move on microtubules that are near the plasma membrane.
Draw out a dataset that would indicate that glut4 vesicles move
by diffusion to reach the plasma membrane.
Draw out a dataset that would indicate that glut4 vesicles are
tethered...
Which of the following is true concerning actin filaments and their associated proteins? Myosin can cause...
Which of the following is true concerning actin filaments and their associated proteins? Myosin can cause actin filament sliding. Actin has intrinsic ATPase activity. All of these ARPs are required for formation of actin bundles at structures called lamellipodia.
Carbon dioxide and oxygen are molecules that can move freely across a plasma membrane. What determines...
Carbon dioxide and oxygen are molecules that can move freely across a plasma membrane. What determines the direction that carbon dioxide and oxygen molecules move? A. orientation of cholesterol in the plasma membrane B. concentration gradient across the plasma membrane C. confi guration of phospholipids in the plasma membrane D. location of receptors on the surface of the plasma membrane
Which of the following statements is false? Q 17-7 Homework Unanswered. Due in a day Which...
Which of the following statements is false?
Q 17-7 Homework Unanswered. Due in a day Which statement is FALSE? A Kinesins would be likely to move cargoes along microtubules toward the periphery of the cell o B A dynein would be the most likely motor protein to deliver a signal from the cell periphery to the nucleus O C Myosin I can control cell shape by pulling the plasma membrane along actin filaments D M yosin II promotes flagella movement...
All mammalian cells maintain the resting membrane potential across the plasma membrane. Neurons and muscle cells...
All mammalian cells maintain the resting membrane potential across the plasma membrane. Neurons and muscle cells are capable of generating the action potential to communicate with each other. Below is a diagram showing a temporal change of the membrane potential in axon. Explain how such membrane potential is generated and/or maintained in each stage (1-3). Make sure to identify key membrane proteins and the movement of ion(s) through these membrane proteins in each stage. Calculate the membrane potential at the...
match the following concepts: for example : plasma membrane is it structure of all cell or...
match the following concepts: for example : plasma
membrane is it structure of all cell or structure of animal
cell..
just match questions 91 to 100 with the structure in a to e.
thanks.
Match the following concepts: a. Structure is a feature of all cells b. Structure is found in prokaryotic cells only c. Structure is found in eukaryotic cells only d. Structure found in plant cells only e. Structure found in animal cells only 91) Plasma membrane 92)...
A nerve impulse starts when pressure or other sensory inputs disturb a neuron's plasma membrane and...
A nerve impulse starts when pressure or other sensory inputs disturb a neuron's plasma membrane and cause Na'channels to open True False The body can prolong the transmission of a signal across the synapse by slowing the destruction of neurotransmitters neurotransmitters are called: The chemicals released in the synapse that slow down the destruction of Neurotransmitters Neuromodulators Receptors r All of the above The effect of addictive drugs is a result of the drug acting on the c Dendrite Axon...
Both actin microfilaments and tubulin microtubules can generation motion by assembly/disassembly. O True O False Question 5 (1 point) Both actin microfilaments and tubulin microtubules can generate motion by sliding filaments. O True O False Question 6 (1 point) Both actin microfilaments and tubulin microtubules have functional association with ATPases. True O False
of the three types of fibers; microfilaments (or and intermediate filaments are fibers with diameters in a Microtubules are the filaments) are the middle range. Microtubules are hollow rods about 25 nm in diameter and 200 nm to 25 um in length. Microtubule fibers are constructed of the globular protein A tubulin dimer consists of two slightly different polypeptides: a-tubulin and B-tubulin. Microtubules shape and support the cell and serve as tracks to guide motor proteins carrving organelles to their...
Propose an experiment to identify actin filaments and
microtubules in living cells.
Propose an experiment that could examine whether vesicles
containing glut4 move along
microtubules near the plasma membrane.
c. Draw out a dataset that would indicate that glut4 vesicles
move on microtubules that are near the plasma membrane.
Draw out a dataset that would indicate that glut4 vesicles move
by diffusion to reach the plasma membrane.
Draw out a dataset that would indicate that glut4 vesicles are
tethered...
Which of the following is true concerning actin filaments and their associated proteins? Myosin can cause actin filament sliding. Actin has intrinsic ATPase activity. All of these ARPs are required for formation of actin bundles at structures called lamellipodia.
Which of the following statements is false?
Q 17-7 Homework Unanswered. Due in a day Which statement is FALSE? A Kinesins would be likely to move cargoes along microtubules toward the periphery of the cell o B A dynein would be the most likely motor protein to deliver a signal from the cell periphery to the nucleus O C Myosin I can control cell shape by pulling the plasma membrane along actin filaments D M yosin II promotes flagella movement...
All mammalian cells maintain the resting membrane potential across the plasma membrane. Neurons and muscle cells are capable of generating the action potential to communicate with each other. Below is a diagram showing a temporal change of the membrane potential in axon. Explain how such membrane potential is generated and/or maintained in each stage (1-3). Make sure to identify key membrane proteins and the movement of ion(s) through these membrane proteins in each stage. Calculate the membrane potential at the...
match the following concepts: for example : plasma
membrane is it structure of all cell or structure of animal
cell..
just match questions 91 to 100 with the structure in a to e.
thanks.
Match the following concepts: a. Structure is a feature of all cells b. Structure is found in prokaryotic cells only c. Structure is found in eukaryotic cells only d. Structure found in plant cells only e. Structure found in animal cells only 91) Plasma membrane 92)...
A nerve impulse starts when pressure or other sensory inputs disturb a neuron's plasma membrane and cause Na'channels to open True False The body can prolong the transmission of a signal across the synapse by slowing the destruction of neurotransmitters neurotransmitters are called: The chemicals released in the synapse that slow down the destruction of Neurotransmitters Neuromodulators Receptors r All of the above The effect of addictive drugs is a result of the drug acting on the c Dendrite Axon...
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