BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 4, Problem 4A
Different motor proteins like kinesin and myosin are similar in that they can
a. interact with microtubules.
b. use energy from ATP to produce movement.
c. interact with actin.
d. do both a and b.
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Students have asked these similar questions
What does ATP binding to myosin head triggers?
a.
Its association with microtubules
b.
Its dissociation from actin microfilament
c.
Conformational change and rotation of myosin head
d.
Its association with actin microfilament
What happens when myosin filaments hydrolyze ATP molecules in muscles?
a.
Actin–myosin complexes dissociate, leading to muscle contraction.
b.
Actin–myosin complexes dissociate, leading to muscle relaxation.
c.
Actin–myosin complexes are formed, leading to muscle contraction.
d.
Actin–myosin complexes are formed, leading to muscle relaxation.
Identify the organelle most likely responsible for each cellular job within skeletal muscle a) Assemble myosin and actin (proteins which contract) b) Houses the genes c) Sorts any proteins produced d) ATP is generated e) Breaks down old or damaged myosin and actin
Chapter 4 Solutions
BIOLOGY
Ch. 4.1 - Discuss the cell theory.Ch. 4.1 - Describe the factors that limit cell size.Ch. 4.1 - Prob. 3LOCh. 4.2 - Describe the organization of prokaryotic cells.Ch. 4.2 - Prob. 2LOCh. 4.3 - Prob. 1LOCh. 4.3 - Prob. 2LOCh. 4.3 - Prob. 3LOCh. 4.4 - Prob. 1LOCh. 4.4 - Contrast the different functions of internal...
Ch. 4.4 - Prob. 3LOCh. 4.5 - Describe the structure of mitochondria and...Ch. 4.5 - Compare the function of mitochondria and...Ch. 4.5 - Prob. 3LOCh. 4.6 - Contrast the structure and function of different...Ch. 4.6 - Prob. 2LOCh. 4.7 - Prob. 1LOCh. 4.7 - Prob. 2LOCh. 4.7 - Prob. 3LOCh. 4.8 - Prob. 1LOCh. 4.8 - Prob. 2LOCh. 4 - Prob. 1IQCh. 4 - Prob. 2IQCh. 4 - Prob. 3IQCh. 4 - Which of the following statements is NOT part of...Ch. 4 - All cells have all of the following except a....Ch. 4 - Eukaryotic cells are more complex than prokaryotic...Ch. 4 - Which of the following are differences between...Ch. 4 - The cytoskeleton includes a. microtubules made of...Ch. 4 - The smooth endoplasmic reticulum is a. involved in...Ch. 4 - Plasmodesmata in plants and gap junctions in...Ch. 4 - The most important factor that limits the size of...Ch. 4 - All eukaryotic cells possess each of the following...Ch. 4 - Adherens junctions, which contain cadherin, are...Ch. 4 - Different motor proteins like kinesin and myosin...Ch. 4 - The protein sorting pathway involves the following...Ch. 4 - Chloroplasts and mitochondria have many common...Ch. 4 - Prob. 7ACh. 4 - The smooth endoplasmic reticulum is the site of...Ch. 4 - Use the information provided in table 4.3 to...Ch. 4 - Prob. 3SCh. 4 - The protist Giardia intestinalis is the organism...
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- The function of ATP during muscle contraction is toa. cause an allosteric change in myosin so it detaches from actin.b. provide the energy necessary for the movement of the cross-bridge.c. expose the myosin-binding sites on the thin filaments.d. do all of the above.e. do a and b only.arrow_forwardWhich statement about this diagram is NOT correct? A. Each pink sphere is an actin protein molecule B. The red balls are troponin C. The green things are myosin D. The blue line is tropmyosin E. Ca++ ions attach to the myosin heads to initiate the powerstrokearrow_forwardWhich component is responsible for initially stimulating a muscle contraction? a. proteins b. electrochemical signals c. plasma membranes d. striationsarrow_forward
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