EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
7th Edition
ISBN: 8220100853180
Author: STOKER
Publisher: CENGAGE L
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Textbook Question
Chapter 24.3, Problem 5QQ
Accumulation of which of the following substances in muscle cells is the cause of stiffness and soreness after vigorous exercise?
- a. pyruvate
- b. lactate
- c. acetyl CoA
- d. no correct response
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Which of the following is a valid statement about lactate?
a.
Is responsible for the burning sensation in the muscles during exercise
b.
Primarily produced as a result of insufficient oxygen availability in the cell
c.
Causes DOMS after rigorous exercise
d.
“Metabolic waste product” produced during exercise
e.
Ice massage should be employed after exercise to flush lactate out of the skeletal muscle after exercise
f.
None of the above are true
g.
Both A and B are true
A fatigued muscle lacks sufficient oxygen for the aerobic respiration to supply needed ATP. The accumulation of
Select one:
a.
acetic acid occurs and contractions occur with less strength
b.
lactic acid (lactate) occurs and muscle cramps may set in
c.
pyruvate occurs and muscle cramps set in
d.
ethyl alcohol occurs and less frequent contractions occur
Which of the following is true concerning the role of Calcium in the contraction of muscle-
cells?
23.
A. skeletal muscle cells require an extracellular inward-Calcium-current to stimulate the
burst of Calcium from the sarcoplasmic reticulum.
B. smooth muscle cells require an extracellular inward-Calcium-current to stimulate the
burst of Calcium from the sarcoplasmic reticulum.
C. cardiac muscle cells require an extracellular inward-Calcium-current to stimulate the
An burst of Calcium from intracellular stored-Calcium-organelles.
D. No type of muscle cell requires an extracellular inward-Calcium current for normal
contractile-function.
Chapter 24 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
Ch. 24.1 - The primary site within the human body where...Ch. 24.1 - What is the first site within the human body where...Ch. 24.1 - What effect does gastric juice in the stomach have...Ch. 24.1 - Prob. 4QQCh. 24.1 - Which of the following substances is needed for...Ch. 24.2 - Prob. 1QQCh. 24.2 - Prob. 2QQCh. 24.2 - Prob. 3QQCh. 24.2 - Prob. 4QQCh. 24.2 - Prob. 5QQ
Ch. 24.2 - Prob. 6QQCh. 24.2 - Prob. 7QQCh. 24.3 - Prob. 1QQCh. 24.3 - Prob. 2QQCh. 24.3 - Prob. 3QQCh. 24.3 - Prob. 4QQCh. 24.3 - Accumulation of which of the following substances...Ch. 24.4 - Prob. 1QQCh. 24.4 - The net yield of ATP for the complete oxidation of...Ch. 24.4 - Prob. 3QQCh. 24.5 - Prob. 1QQCh. 24.5 - Prob. 2QQCh. 24.5 - Prob. 3QQCh. 24.6 - Prob. 1QQCh. 24.6 - Prob. 2QQCh. 24.6 - Prob. 3QQCh. 24.6 - Which of the following statements about ATP...Ch. 24.6 - Prob. 5QQCh. 24.7 - Prob. 1QQCh. 24.7 - Prob. 2QQCh. 24.8 - Prob. 1QQCh. 24.8 - Prob. 2QQCh. 24.8 - Prob. 3QQCh. 24.9 - Which of the following hormones promotes the...Ch. 24.9 - Which of the following pairs of hormones increases...Ch. 24.10 - Prob. 1QQCh. 24.10 - Prob. 2QQCh. 24.10 - Prob. 3QQCh. 24 - Where does carbohydrate digestion begin in the...Ch. 24 - Very little digestion of carbohydrates occurs in...Ch. 24 - Prob. 24.3EPCh. 24 - Prob. 24.4EPCh. 24 - Prob. 24.5EPCh. 24 - Prob. 24.6EPCh. 24 - Prob. 24.7EPCh. 24 - Prob. 24.8EPCh. 24 - Prob. 24.9EPCh. 24 - Prob. 24.10EPCh. 24 - Prob. 24.11EPCh. 24 - Prob. 24.12EPCh. 24 - Prob. 24.13EPCh. 24 - Prob. 24.14EPCh. 24 - Prob. 24.15EPCh. 24 - Prob. 24.16EPCh. 24 - Prob. 24.17EPCh. 24 - Prob. 24.18EPCh. 24 - Prob. 24.19EPCh. 24 - Prob. 24.20EPCh. 24 - Prob. 24.21EPCh. 24 - Prob. 24.22EPCh. 24 - Prob. 24.23EPCh. 24 - Prob. 24.24EPCh. 24 - Prob. 24.25EPCh. 24 - Prob. 24.26EPCh. 24 - Prob. 24.27EPCh. 24 - Prob. 24.28EPCh. 24 - Prob. 24.29EPCh. 24 - Prob. 24.30EPCh. 24 - Prob. 24.31EPCh. 24 - Prob. 24.32EPCh. 24 - Prob. 24.33EPCh. 24 - Prob. 24.34EPCh. 24 - Prob. 24.35EPCh. 24 - Prob. 24.36EPCh. 24 - Prob. 24.37EPCh. 24 - Prob. 24.38EPCh. 24 - Prob. 24.39EPCh. 24 - Prob. 24.40EPCh. 24 - Prob. 24.41EPCh. 24 - Prob. 24.42EPCh. 24 - Prob. 24.43EPCh. 24 - Prob. 24.44EPCh. 24 - Prob. 24.45EPCh. 24 - Prob. 24.46EPCh. 24 - Prob. 24.47EPCh. 24 - Prob. 24.48EPCh. 24 - Prob. 24.49EPCh. 24 - Prob. 24.50EPCh. 24 - Prob. 24.51EPCh. 24 - Prob. 24.52EPCh. 24 - Prob. 24.53EPCh. 24 - Prob. 24.54EPCh. 24 - Prob. 24.55EPCh. 24 - Prob. 24.56EPCh. 24 - Prob. 24.57EPCh. 24 - Prob. 24.58EPCh. 24 - Prob. 24.59EPCh. 24 - Prob. 24.60EPCh. 24 - Prob. 24.61EPCh. 24 - Prob. 24.62EPCh. 24 - Prob. 24.63EPCh. 24 - Prob. 24.64EPCh. 24 - Prob. 24.65EPCh. 24 - The liver, but not the brain or muscle cells, has...Ch. 24 - Prob. 24.67EPCh. 24 - Prob. 24.68EPCh. 24 - Prob. 24.69EPCh. 24 - Prob. 24.70EPCh. 24 - Prob. 24.71EPCh. 24 - Prob. 24.72EPCh. 24 - Prob. 24.73EPCh. 24 - Prob. 24.74EPCh. 24 - Prob. 24.75EPCh. 24 - Prob. 24.76EPCh. 24 - Prob. 24.77EPCh. 24 - Prob. 24.78EPCh. 24 - Prob. 24.79EPCh. 24 - Prob. 24.80EPCh. 24 - Prob. 24.81EPCh. 24 - Prob. 24.82EPCh. 24 - Prob. 24.83EPCh. 24 - Prob. 24.84EPCh. 24 - Prob. 24.85EPCh. 24 - Prob. 24.86EPCh. 24 - Prob. 24.87EPCh. 24 - Prob. 24.88EPCh. 24 - Prob. 24.89EPCh. 24 - Prob. 24.90EPCh. 24 - Prob. 24.91EPCh. 24 - Prob. 24.92EPCh. 24 - Prob. 24.93EPCh. 24 - Prob. 24.94EPCh. 24 - Prob. 24.95EPCh. 24 - Prob. 24.96EPCh. 24 - Prob. 24.97EPCh. 24 - Prob. 24.98EPCh. 24 - Prob. 24.99EPCh. 24 - Prob. 24.100EPCh. 24 - Prob. 24.101EPCh. 24 - Prob. 24.102EPCh. 24 - Prob. 24.103EPCh. 24 - Prob. 24.104EPCh. 24 - Prob. 24.105EPCh. 24 - Prob. 24.106EPCh. 24 - Prob. 24.107EPCh. 24 - Prob. 24.108EPCh. 24 - Prob. 24.109EPCh. 24 - Prob. 24.110EPCh. 24 - Prob. 24.111EPCh. 24 - Prob. 24.112EPCh. 24 - Prob. 24.113EPCh. 24 - Prob. 24.114EPCh. 24 - Prob. 24.115EPCh. 24 - Compare the biological functions of glucagon and...Ch. 24 - Prob. 24.117EPCh. 24 - Prob. 24.118EP
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- What event causes a troponin-tropomyosin complex to regain its original shape in muscle relaxation? a. stimulation of ACh receptors b. diffusion of Na+ back into transverse tubules c. return of Ca2+ into the sarcoplasmic reticulum d. breaking of the bond with tropomyosinarrow_forwardWhich molecule below is readily converted to ATP in muscle? A. glycogen B. phospho-creatine C. cAMP D. fatty-acyl carnitine E. glutaminearrow_forwardMuscle contraction is the result of critical steps characterized by conformational changes to protein structures in the supramolecule. Which of the following conformational changes requires energy, i.e. ATP hydrolysis? A. Binding of calcium to tropomyosin changing its conformation and exposing a binding site in troponin B. Binding of myosin to troponin resulting in the power stroke and cross-bridge cycle of muscle contraction. C. Disruption in the binding of the myosin head to troponin preceding its release and relaxation back to its activated form. D. Binding of ATP to the myosin head bound to troponin.arrow_forward
- What role (function) does calcium have within a muscle fiber? a. trigger muscle potentials along t-tubules b. trigger contraction by causing the formation of cross bridges c. trigger exocytosis of ACh across the synaptic space d. trigger action potentials along axons e. open voltage gates within the sarcoplasmic reticulum 2. Which of the following are regulatory proteins that allow a muscle fiber to contract when calcium is present? (select all that apply) dystrophin troponin myosin tropomyosin actin 3. During this phase of an action potential, potassium ions exit the cell through voltage gated potassium channels. a. depolarization b. repolarization c. glycolysis d. cross bridge formationarrow_forwardWhich of the following statements about skeletal muscle is CORRECT? Select one: a. An increase in Na+ concentration in the cytosol starts muscle filament sliding. b. The muscle is non-striated and involuntary. c. The muscle is involved in shivering thermogenesis. d. The muscle contracts in response to parasympathetic stimulation. e. The muscle contracts in response to hormones.arrow_forwardDuring vigorous effort in muscle cells, ATP stores are quickly depleted. However, creatine phosphate can donate a phosphate to regenerate ATP to sustain effort. In other words, creatine phosphate has a higher phosphoryl transfer potential than ATP? a. False b. Truearrow_forward
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- Which of the following sentences is NOT correct? A. White fibers make up fast-twitch muscle B. Muscle spindle is a type of receptor that detects muscle length C. Exocrine gland secretes its product directly into the bloodstream D. When an action potential is generated within a motor neuron, every muscle cell of the motor unit is stimulated to contractarrow_forwardThe energy for muscle contraction is most directly obtained from a.phosphocreatine. b.ATP. c.anaerobic respiration. d.aerobic respiration.arrow_forwardWhich of the following is an effect of training on the oxidative system? A. It increases vascularization within the muscles. B. It increases the number and size of mitochondria within the muscle-fibers. C. It increases the activity of the enzymes involved D. all of the abovearrow_forward
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