Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 35, Problem 15SQ
Match the words with their defining feature.
| _____osteoblast | a. conveys excitatory signal |
| _____myofibrils | b. all in the hands |
| _____myoglobin | c. site of blood cell production |
| _____knee | d. binds myosin |
| _____actin | e. bone-forming cell |
| _____red marrow | f. donates phosphate to ADP |
| _____metacarpals | g. binds and releases oxygen |
| _____T tubule | h. example of a synovial joint |
| _____creatine | i. muscle fiber's threadlike parts |
| phosphate |
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Chapter 35 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 35 - An endoskeleton consists of _________. a. a fluid...Ch. 35 - Bones are __________. a. mineral reservoirs b....Ch. 35 - Bones move when __________ muscles contract. a....Ch. 35 - A ligament connects ________. a. bones at a joint...Ch. 35 - Building Better Bones Tiffany, shown in FIGURE...Ch. 35 - Building Better Bones Tiffany, shown in FIGURE...Ch. 35 - Building Better Bones Tiffany, shown in FIGURE...Ch. 35 - Building Better Bones Tiffany, shown in FIGURE...Ch. 35 - Parathyroid hormone stimulate__________. a. bone...Ch. 35 - The ___ attaches to the pelvic girdle. a. radius...
Ch. 35 - The __________ is the basic unit of contraction....Ch. 35 - In sarcomeres, phosphate-group transfers from ATP...Ch. 35 - A sarcomere shortens when ________. a. thick...Ch. 35 - Muscle fibers produce ATP by__________. a. aerobic...Ch. 35 - Prob. 11SQCh. 35 - A motor unit is _________. a. a muscle and the...Ch. 35 - __________from a motor neuron excites a muscle...Ch. 35 - Prob. 14SQCh. 35 - Match the words with their defining feature....Ch. 35 - Continued strenuous activity can cause lactate to...Ch. 35 - After death, calcium pumps no longer function and...
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- According to the sliding filament model, when muscles contract,a. sarcomeres shorten.b. myosin heads break down ATP.c. actin slides past myosin.d. the H zone disappears.e. All of these are correctarrow_forwardAfter death, calcium pumps no longer function and the calcium ion concentration of muscle fiber cytoplasm increases. The result is rigor mortis a state or postmortem muscle contraction. Explain why this contraction occurs and why it ends only when myosin heads begin to break down.arrow_forwardMatch the words with their defining feature. _____ osteoblast a. conveys excitatory signal _____ myofibril b. in the hands _____ myoglobin c. bone-forming cell _____ knee d. main thin filament protein _____ actin e. produces blood cells _____ red marrow f. donates phosphate to ADP _____ metacarpal g. binds and releases oxygen _____ T tubule h. a synovial joint _____ creatine phosphate i. composed of sarcomeresarrow_forward
- Go to this website (http://openstaxcollege.org/l/childhand) to view a radiograph (X-ray image) of a childs hand and wrist. The growing bones of child have an epiphyseal plate that forms a synchondrosis between the shaft and end of a long bone. Being less dense than bone, the area of epiphyseal cartilage is seen on this radiograph as the dark epiphyseal gaps located near the ends of the long bones, including the radius, ulna, metacarpal, and phalanx bones. Which of the bones in this image do not show an epiphyseal plate (epiphyseal gap)?arrow_forwardThe 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_forwardThe function of Ca2+ in skeletal 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. bind to tropomyosin.e. do a and c only.arrow_forward
- Place these structures in order from LARGEST structure to SMALLEST: A) Myofibril B) Myofilament (MYOSIN) 1 C) Muscle Body D) Muscle Bundle (Fascicle) E) Muscle Fiber F) Myofilament (ACTIN)arrow_forwardStimulation of a muscle fiber by a motor neuron occurs ata. the neuromuscular junction.b. the transverse tubules.c. the myofibril.d. the sarcoplasmic reticulum.e. none of the above.arrow_forwardFor the myosin head to form cross bridges with actin, it is necessary for to bind to actin. a) Calcium b) Troponin c) Sarcolemma d) ATParrow_forward
- During the contraction of a vertebrate skeletal muscle fiber,calcium ions(A) break cross-bridges as a cofactor in hydrolysis of ATP.(B) bind with troponin, changing its shape so that the myosinbinding sites on actin are exposed.(C) transmit action potentials from the motor neuron to themuscle fiber.(D) spread action potentials through the T tubules.arrow_forwardArrange the steps in the correct order to explain how a muscle fiber contracts. Myosin and actin proteinfilaments attach to eachother. Calcium ions release intothe myofibrils. Myosin filaments pull onthe actin filaments. The nerve impulse reachesthe neuromuscularjunction. The motor neuron carriesthe nerve impulse. The sarcomere shortens.arrow_forward
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