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Songbirds sing using a type of muscle fiber called super fast-twitch muscles. These super fast-twitch muscles have a fusion frequency of -~-800HZ (compared --30HZ for the frog gastrocnemius). A researcher wanted to investigate the role of calcium in these amazing muscles. She used a special technique for measuring the concentration of Ca2+ in the sarcoplasm (=cytosol) of muscle fibers. Which graph below is the most likely changes in Ca?* in the sarcoplasm during a single- twitch? 500 400 300 200 100 Time (msec) 500 400 300 200 100 Time (msec) Ca2+ conc. Ca2+ conc.

Songbirds sing using a type of muscle fiber called super fast-twitch muscles. These super fast-twitch muscles have a fusion frequency of -~-800HZ (compared --30HZ for the frog gastrocnemius). A researcher wanted to investigate the role of calcium in these amazing muscles. She used a special technique for measuring the concentration of Ca2+ in the sarcoplasm (=cytosol) of muscle fibers. Which graph below is the most likely changes in Ca?* in the sarcoplasm during a single- twitch? 500 400 300 200 100 Time (msec) 500 400 300 200 100 Time (msec) Ca2+ conc. Ca2+ conc.

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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Songbirds sing using a type of muscle fiber called super fast-twitch muscles. These super fast-twitch muscles have a fusion frequency of -800HZ (compared -30HZ for the frog gastrocnemius). A researcher wanted to investigate the role of calcium in these amazing muscles. She used a special technique for measuring the concentration of Ca2* in the sarcoplasm (=cytosol) of muscle fibers. Which graph below is the most likely changes in Ca2* in the sarcoplasm during a single- twitch? 500 400 300 * 200 100 Time (msec) 500 400 300 200 100 Time (msec) Ca2+ conc. Ca2+ conc.
Transcribed Image Text:Songbirds sing using a type of muscle fiber called super fast-twitch muscles. These super fast-twitch muscles have a fusion frequency of -800HZ (compared -30HZ for the frog gastrocnemius). A researcher wanted to investigate the role of calcium in these amazing muscles. She used a special technique for measuring the concentration of Ca2* in the sarcoplasm (=cytosol) of muscle fibers. Which graph below is the most likely changes in Ca2* in the sarcoplasm during a single- twitch? 500 400 300 * 200 100 Time (msec) 500 400 300 200 100 Time (msec) Ca2+ conc. Ca2+ conc.
500 400 300 200 100 Time (msec) 500 400 300 * 200 100 Time (msec) Ca2+ conc. Ca²+ conc.
Transcribed Image Text:500 400 300 200 100 Time (msec) 500 400 300 * 200 100 Time (msec) Ca2+ conc. Ca²+ conc.
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