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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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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Put the following items in order of decreasing
size:
63.
Sección
Largest
64.
65.
66.
67.
Smallest
A. Calcium
В. Мyofibril
C. Myofilament
D. Sarcomere
E. Tropomyosin
Muscle relaxation occurs when ________. a. calcium ions are actively transported out of the sarcoplasmic reticulum b. calcium ions diffuse out of the sarcoplasmic reticulum c. calcium ions are actively transported into the sarcoplasmic reticulum d. calcium ions diffuse into the sarcoplasmic reticulum
During contraction, the bulk of calcium comes from:
A.
sarcomere
B.
sarcoplasm
C.
sarcoplasmic reticulum
D.
sarcolemma
Coming off of the M line are _________ fibers and extending off of the Z line are __________ fibers.
A.
troponin; tropomyosin
B.
actin; myosin
C.
myosin; actin
D.
tropomyosin; actin
E.
myosin; tropomyosin
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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- cells/fibers A muscle contraction occurs when the "heads" on the an't find the bind to the "binding-sties" on the Is the name of the tore located on 18. thookg A. actin filaments : myosin filaments B. thin filaments : thick filaments C. myosin filaments : actin filaments D. troponin filaments : tropomyosin filamentsarrow_forwardWithout red marrow, bones would not be able to ________.a. store phosphateb. store calciumc. make blood cellsd. move like leversarrow_forwardDuring muscle contraction, the cross-bridge detaches when ________.a. the myosin head binds to an ADP moleculeb. the myosin head binds to an ATP moleculec. calcium ions bind to troponind. calcium ions bind to actinarrow_forward
- _____ are involved in the breakdown of bone.a. Monocytesb. Lymphocytesc. Osteoblastsd. Osteoclastsarrow_forwardDark areas called _____ made of proteins are where actin filaments attach within a myofibril. A. Z lines B. A bands C.T tubules D. I bandsarrow_forwardThe cells of muscles, myocytes, develop from________.a. myoblastsb. endodermc. fibrocytesd. chondrocytesarrow_forward
- Osteoarthritis refers to _______. A inflammation of the joints due wear and tear on the cartilage with aging B bone pain caused by an autoimmune disease that destroys osteons C a decrease in bone mineral density due to insufficient dietary calcium and vitamin D D microfractures in vertebrae caused by excessive osteoclast activityarrow_forwardEnergy produced when ATP is converted to ADP and phosphate is stored in A. Myosin Heads B. Troponin C. Tropomyosin D. Actin Myofilamentsarrow_forwardburst of Calchu musc res an ldum Which of the following is true concerning the role of Calcium in the contraction of muscle- cells? 20. A. skeletal muscle cells require a burst of calcium from the sarcoplasmic reticulum. B. smooth muscle cells require a burst of calcium from the sarcoplasmic reticulum. C. cardiac muscle cells require a burst of calcium from the sarcoplasmic reticulum. D. All of the above are correct. to an ent. response to an ertraceil m-currentarrow_forward
- Which of these increases the least as a result of muscle hypertrophy?a. number of sarcomeres d. blood vessels and mitochondriab. number of myofibrils e. connective tissuec. number of muscle fibersarrow_forwardA bone is an organ a. True b. falsearrow_forwardEndochondral ossification is ________.a. the process that replaces hyaline cartilage withbone tissueb. the process by which mesenchyme differentiatesdirectly into bone tissuec. completed before birthd. the process that gives rise to the joint interzoneand future joint cavityarrow_forward
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