Biology: The Unity and Diversity of Life (Looseleaf)
15th Edition
ISBN: 9781337408417
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 35, Problem 14SQ
The sarcoplasmic reticulum stores and releases ________.
- a. ACh
- b. Calcium ions
- c. ATP
- d. Phosphate ions
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Chapter 35 Solutions
Biology: The Unity and Diversity of Life (Looseleaf)
Ch. 35 - Prob. 1DAACh. 35 - Prob. 2DAACh. 35 - Prob. 3DAACh. 35 - Prob. 4DAACh. 35 - An endoskeleton consists of _________. a. a fluid...Ch. 35 - Prob. 2SQCh. 35 - Prob. 3SQCh. 35 - A ligament connects ________. a. bones at a joint...Ch. 35 - Prob. 5SQCh. 35 - The ___ attaches to the pelvic girdle. a. radius...
Ch. 35 - The ________ is the basic unit of contraction. a....Ch. 35 - In sarcomeres, phosphate-group transfers from ATP...Ch. 35 - A sarcomere shortens when ________. a. thick...Ch. 35 - Prob. 10SQCh. 35 - Prob. 11SQCh. 35 - A motor unit is _________. a. a muscle and the...Ch. 35 - _______ from a motor neuron excites a muscle...Ch. 35 - The sarcoplasmic reticulum stores and releases...Ch. 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...Ch. 35 - Bully whippets are homozygous for a deletion of...Ch. 35 - Athletes tend to have stronger bones than...
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- A sarcomere shortens when______ . a. thick filaments shorten b. thin filaments shorten c. both thick and thin filaments shorten d. none of the abovearrow_forwardStraps of dense, regular connective tissue______ . a. connect muscles to bones c. underlie the skin b. produce blood cells d. lack fibroblastsarrow_forwardThe fluid extracellular matrix of blood is called __________. a. mucus b. serous fluid c. synovial fluid d. plasma.arrow_forward
- When skeletal muscle fibers are damaged and die, they may be replaced with dense irregular collagenous connective tissue, commonly known as scar tissue. a. How do these two tissue types differ in structure?b. How do they differ in function?c. Predict the impact of such an injury to muscle tissue on the function of a whole skeletal muscle.arrow_forwardAccording to the sliding filament model, binding sites on actin open when ________. a. creatine phosphate levels rise b. ATP levels rise c. acetylcholine levels rise d. calcium ion levels risearrow_forwardThe cells of muscles, myocytes, develop from________.a. myoblastsb. endodermc. fibrocytesd. chondrocytesarrow_forward
- The stratum spinosum or prickly layer contains cells that appear spikey, known as _____________. a. prekeratin filaments b. melanocytes c. keratinocytes d. desmosomes e. keratinarrow_forwardStriations, cylindrical cells, and multiple nuclei areobserved in ________.a. skeletal muscle onlyb. cardiac muscle onlyc. smooth muscle onlyd. skeletal and cardiac musclesarrow_forward. Injection of C. botulinum toxin (Botox)______ . a. causes irreversible muscle contraction b. stimulates formation of ATP from ADP c. prevents release of ACh by motor neurons d. blocks the actin binding site of myosinarrow_forward
- Which of the following statements is true? a.Cardiac muscle cells are found in the heart and large blood vessels. b.Cardiac muscle cells have many nuclei. c.Striated muscle cells are long and cylindrical with many nuclei. d.Smooth muscle cells have T tubules.arrow_forwardA rubbery secreted matrix of proteoglycans and collagen surrounds living cells in______ . a. bone c. adipose tissue b. cartilage d. bloodarrow_forwardHeart muscle cells would tend to separate without..... a.stroma b.flana c.intercalated discs d.myofilamentsarrow_forward
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