Domanda del libro di testo
Areas of the body where you would not expect to find slow fibers include the
(a) Back and calf muscles
(b) Eye and hand
(c) Chest and abdomen
(d) All of these
604
views
Ch. 10 Muscle Tissue
Martini, Nath, Bartholomew12th EditionFundamentals of Anatomy & PhysiologyISBN: 9780137854011
Non è quello che usi tu?Cambia libro di testoScegli un libro di testo diverso
TOC.tableOfContents
- Ch. 1 An Introduction to Anatomy and Physiology25
- Ch. 2 The Chemical Level of Organization34
- Ch. 3 The Cellular Level of Organization29
- Ch. 4 The Tissue Level of Organization24
- Ch. 5 The Integumentary System17
- Ch. 6 Bones and Bone Structure33
- Ch. 7 The Axial Skeleton11
- Ch. 8 The Appendicular Skeleton17
- Ch. 9 Joints13
- Ch. 10 Muscle Tissue12
- Ch. 11 The Muscular System28
- Ch. 12 Nervous Tissue18
- Ch. 13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes22
- Ch. 14 The Brain and Cranial Nerves20
- Ch. 15 Sensory Pathways and the Somatic Nervous System17
- Ch. 16 The Autonomic Nervous System and Higher-Order Functions30
- Ch. 17 The Special Senses15
- Ch. 18 The Endocrine System21
- Ch. 19 Blood31
- Ch. 20 The Heart31
- Ch. 21 Blood Vessels and Circulation26
- Ch. 22 The Lymphatic System and Immunity25
- Ch. 23 The Respiratory System4
- Ch. 24 The Digestive System18
- Ch. 26 The Urinary System31
- Ch. 27 Fluids & Electrolytes30
- Ch. 28 The Reproductive System12
- Ch. 29 Development and Inheritance17
Martini, Nath, Bartholomew12th EditionFundamentals of Anatomy & PhysiologyISBN: 9780137854011Non è quello che usi tu?Cambia libro di testo
Capitolo 10, Problema 17
What is the calcium-binding protein in smooth muscle tissue?
Guida verificata passo dopo passo1
Understand that calcium-binding proteins are molecules that bind calcium ions (Ca^{2+}) and play a crucial role in muscle contraction by regulating calcium availability.
Recall that in skeletal muscle, the primary calcium-binding protein is troponin, but smooth muscle lacks troponin.
Identify that in smooth muscle tissue, the calcium-binding protein responsible for initiating contraction is calmodulin.
Recognize that calmodulin binds calcium ions, which then activates myosin light-chain kinase (MLCK), leading to smooth muscle contraction.
Conclude that the calcium-binding protein in smooth muscle tissue is calmodulin.
Risposta video verificata per un problema simile:
Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
3mConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Calcium-Binding Proteins
Calcium-binding proteins are molecules that can bind calcium ions, playing a crucial role in cellular signaling and muscle contraction. They regulate calcium availability and mediate processes triggered by calcium influx, essential for muscle function.
Video consigliato:
Percorso guidato
9:16
Outcomes of Antibody Binding to Antigen
Smooth Muscle Tissue
Smooth muscle tissue is an involuntary, non-striated muscle found in walls of internal organs like blood vessels and the digestive tract. Its contraction is regulated differently from skeletal muscle, relying heavily on calcium-binding proteins for activation.
Video consigliato:
06:27Smooth Muscle Tissue
Calmodulin in Smooth Muscle
Calmodulin is the primary calcium-binding protein in smooth muscle. When calcium binds to calmodulin, it activates myosin light-chain kinase, initiating contraction. This mechanism is distinct from skeletal muscle, which uses troponin for calcium regulation.
Video consigliato:
06:27Smooth Muscle Tissue
Pratica correlata
Domanda del libro di testo
What forms of energy reserves do resting skeletal muscle fibers contain?
825
views
Domanda del libro di testo
How does cardiac muscle tissue contract without neural stimulation?
999
views
Domanda del libro di testo
What structural feature of a skeletal muscle fiber propagates action potentials into the interior of the cell?
824
views
Domanda del libro di testo
What three layers of connective tissue are part of each muscle? What functional role does each layer play?
873
views
Domanda del libro di testo
For each portion of a myogram tracing a twitch in a stimulated calf muscle fiber, describe the events that occur within the muscle fiber.
712
views