Physiology of Skeletal Muscle Contraction. The Muscle Action Potential ( AP ). Muscle RMP = -90 mV ( same as in nerves ) . Duration of AP = 1-5 ms ( longer duration than nerve AP , which is usually about 1 ms ) . Conduction Velocity = 3-5 m/s ( slower than big nerves ).By sonya-price
Physiology of Skeletal Muscle Contraction. The Muscle Action Potential ( AP ). Muscle RMP = -90 mV ( same as in nerves ) . Duration of AP = 1-5 ms ( longer duration than nerve AP , which is usually about 1 ms ) . Conduction Velocity = 3-5 m/s ( slower than big nerves ).By henline
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Actin/Myosin. Homework Due. Definitions Striated Muscle Voluntary Muscle Fascicle Endomysium Perimysium Epimysium Pg. 185 #1-4. Homework Due Monday. Define in your notebook: Sarcolema Myofibrils Thick filament Thin filament Actin Myosin. QUIZ!. Clear your desk. Review.
These filaments contract or lengthen to give cells the flexibility to move and change shape. Together with myosin, these filaments are responsible for muscle contraction. actin filaments.
CYTOSKELETON (I) Actin filaments. Cell Biology Lecture 9. Readings and Objectives. Reading Russell : Chapter 1 (not complete information) Cooper: Chapter 12 Objectives Actin and actin filament dynamism Actin bundles and network Actin and myosin: role in contractile assemblies
Microtubules, Actin (and intermediate filaments). Macrophage microtubulin green Intermediate filaments red DNA blue. Mitochondria, actin. Cytoplasmic microtubules Cytoplasmic m tubules brkdwn Mitotic spindle Differentiated cell types have stable m tubule structures
Membrane-induced bundling of actin filaments. Nature Physics. Porgress Report. Mutant in the N-terminus of ParA1 scoe Double labeling (YFP-ParA and CyPet-ParB ) Co-localization of the ParA foci with ParB Photobleach experiment ParA1 dynamic movement in/on nucleoid
Membrane-induced bundling of actin filaments. Nature Physics 4 , 789-793 (2008). Actin protrusions emerge from dendritic actin networkss. GUVs (prepared in sucrose solution) ~15um G-actin/ Arp2/3/ N-WASP/ GTP- γ S Actin filament protrusions formed within first few minutes.
Control of Power Generation in Actin-Myosin Gels. Yamamoto Syou. Motivation. In our previous study in actin-myosin gels: We make myosin and ATP concentration the same for all experimental samples. ↓
Control of Power Generation in Actin-Myosin Gels. Yamamoto Sho. Way of Control over Power Generation in Actin-Myosin gels. １、 Temperature adjustment in the sample generation. ２、 ATP regeneration system used PC , CPK. ３、. exchange used dialysis membrane. ４、 Photolysis of caged.
180 ug. 150 ug. 120 ug. 90 ug. 60 ug. Silver enhanced 40 nm Gold bead. 20nm Q-Dot labeled 2 ° Antibody. 40 nm Gold bead. Rhodamine labeled Streptavidin. Texas Red labeled 2 ° Antibody. Biotin labeled G-Actin. HMM 1° Antibody. HMM. 1. 2. 3. 4. 5.