For each of the following statements, decide whether it is True or False AND provide a...
For each of the following statements, decide whether it is True or False AND provide a justification for your decision
- The hydrolysis of ATP is required both for the contraction and relaxation of skeletal muscles.
ANSWER:
- An actin filament will grow as long as actin monomers continue to be added to the plus end.
ANSWER:
- In most animal cells, dyneins transport materials to the periphery of the cell, whereas kinesins transport material to the cell’s interior.
ANSWER:
Homework Answers
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For each of the following statements, decide whether it is True
or False AND provide a...
5. For each of the following statements, decide whether it is True or False AND provide...
5. For each of the following statements, decide whether it is True or False AND provide a justification for your decision A. The hydrolysis of ATP is required both for the contraction and relaxation of skeletal muscles. B. An actin filament will grow as long as actin monomers continue to be added to the plus end. C. In most animal cells, dyneins transport materials to the periphery of the cell, whereas kinesins transport material to the cell's interior.
5. For each of the following statements, decide whether it is True or False AND provide...
5. For each of the following statements, decide whether it is True or False AND provide a justification for your decision (10 points each). A. The hydrolysis of ATP is required both for the contraction and relaxation of skeletal muscles. ANSWER: B. An actin filament will grow as long as actin monomers continue to be added to the plus end. ANSWER: C. In most animal cells, dyneins transport materials to the periphery of the cell, whereas kinesins transport material to...
Determine if true or false, and provide a brief explanation to your answer. In most animal...
Determine if true or false, and provide a brief explanation to your answer. In most animal cells, dyneins transport materials to the periphery of the cell, whereas kinesins transport material to the cell’s interior.
Question 1 of 8 2.0 Points Which of the following statements about the cytoskeleton is false?...
Question 1 of 8 2.0 Points Which of the following statements about the cytoskeleton is false? A. The cytoskeleton is made up of three types of protein filaments. B. The cytoskeleton controls the location of organelles in eukaryotic cells. C. Covalent bonds between protein monomers hold together cytoskeletal filaments. D. The cytoskeleton of a cell can change in response to the environment. Reset Selection Question 2 of 8 2.0 Points Which of the following statements about the function of the...
Determine wether true or false and provide a brief explanation to your answer: An actin filament...
Determine wether true or false and provide a brief explanation to your answer: An actin filament will grow as long as actin monomers continue to be added to the plus end.
b) Which of the following are true statements about myosin? Select all the true statements. Each...
b) Which of the following are true statements about myosin? Select all the true statements. Each myosin head has a binding site for actin and ATP The interaction between myosin and actin converts chemical energy to mechanicall work muscle contraction, thick and thin filaments slide past each other causing an overall lengthening of the muscle. In a muscle cell, myosin tails group together to form a thick filament The myosin-actin reaction cycle is powered by ATP hydrolysis The tail of...
For each of the following, decide whether it applies to actin filaments, intermediate filaments, and/or microtubules....
For each of the following, decide whether it applies to actin filaments, intermediate filaments, and/or microtubules. NOTE: there may be multiple answers for each statement. Found in the nucleus and cytoplasm ANSWER: Involved in the transport of vesicles and organelles ANSWER: Associate with proteins that help adhere cells to the extracellular matrix ANSWER: Their stability is influenced by nucleotide hydrolysis ANSWER: Directly involved in phagocytosis ANSWER: Can associate into bundles with the help of other proteins ANSWER:
2. Complete the following statements concerning smooth muscle characteristics by inserting the correct terms in the...
2. Complete the following statements concerning smooth muscle characteristics by inserting the correct terms in the answer blanks. Endomysium 1. Whereas skeletal muscle exhibits elaborate connective tissue coverings, smooth muscle has a scant connective tissue_(1) smooth muscle 2. which is secreted by the_(2)_cells. The most common variety of smooth muscle, called_(3) smooth muscle, is arranged in unitary 3. opposing layers in the walls of hollow organs. Most often, there are (4)_ such layers, one running_(5)__and the other running (6) 4....
1. According to the paper, what does lactate dehydrogenase (LDH) do and what does it allow...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
5. For each of the following statements, decide whether it is True or False AND provide a justification for your decision A. The hydrolysis of ATP is required both for the contraction and relaxation of skeletal muscles. B. An actin filament will grow as long as actin monomers continue to be added to the plus end. C. In most animal cells, dyneins transport materials to the periphery of the cell, whereas kinesins transport material to the cell's interior.
5. For each of the following statements, decide whether it is True or False AND provide a justification for your decision (10 points each). A. The hydrolysis of ATP is required both for the contraction and relaxation of skeletal muscles. ANSWER: B. An actin filament will grow as long as actin monomers continue to be added to the plus end. ANSWER: C. In most animal cells, dyneins transport materials to the periphery of the cell, whereas kinesins transport material to...
b) Which of the following are true statements about myosin? Select all the true statements. Each myosin head has a binding site for actin and ATP The interaction between myosin and actin converts chemical energy to mechanicall work muscle contraction, thick and thin filaments slide past each other causing an overall lengthening of the muscle. In a muscle cell, myosin tails group together to form a thick filament The myosin-actin reaction cycle is powered by ATP hydrolysis The tail of...
2. Complete the following statements concerning smooth muscle characteristics by inserting the correct terms in the answer blanks. Endomysium 1. Whereas skeletal muscle exhibits elaborate connective tissue coverings, smooth muscle has a scant connective tissue_(1) smooth muscle 2. which is secreted by the_(2)_cells. The most common variety of smooth muscle, called_(3) smooth muscle, is arranged in unitary 3. opposing layers in the walls of hollow organs. Most often, there are (4)_ such layers, one running_(5)__and the other running (6) 4....
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
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