Botox has become popular for reducing wrinkles. It is a dilute solution of a toxin which inhibits muscle contraction by working at the presynaptic portion of the NMJ. Which of the following could be a possible mechanism for Botox wrinkle-reducing action? a.) Increase Calcium influx b.) Cleave (degrade) syntaxin c.) Increase sensitivity of synaptotagmin to Ca d.) Decrease synthesis of nSec1
Botox has become popular for reducing wrinkles. It is a dilute solution of a toxin which inhibits muscle contraction by working at the presynaptic portion of the NMJ. Which of the following could be a possible mechanism for Botox wrinkle-reducing action? a.) Increase Calcium influx b.) Cleave (degrade) syntaxin c.) Increase sensitivity of synaptotagmin to Ca d.) Decrease synthesis of nSec1
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Botox has become popular for reducing wrinkles. It is a dilute solution of a toxin which inhibits muscle contraction by working at the presynaptic portion of the NMJ. Which of the following could be a possible mechanism for Botox wrinkle-reducing action?
a.) Increase Calcium influx
b.) Cleave (degrade) syntaxin
c.) Increase sensitivity of synaptotagmin to Ca
d.) Decrease synthesis of nSec1
Expert Solution
Step 1
Botox injections block specific chemical signals from nerves, for the most part signals prompt muscles to contract. The most well-known utilization of these injections is to briefly loosen up the facial muscles that cause wrinkles in the forehead and around the eyes.
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