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Practice question 2 Sperm need significant amounts of ATP to fuel their travel through the reproductive tract. This ATP is generated via oxidative metabolism of the glucose and fructose contained in the seminal fluid. These sugars are large polar molecules that enter sperm cells via glucose transporters or GLUTS. One such GLUT protein is depicted in the image below. When GLUTS recognize and bind glucose, they undergo a conformational change releasing glucose on the other side of the membrane. Due to the persistent high energy demands of the sperm cell, these sugars are continually being catabolized (broken down). GLUCOSE Extracellular surface B Intracellular surface GLUCOSE NH3 On the image above: i) label the intracellular and extracellular surfaces, and ii) depict the typical concentration gradient for glucose and fructose present across the membrane of a sperm cell found in seminal fluid. Using no more than 1 sentence, explain how you determined the orientation of this membrane?

Practice question 2 Sperm need significant amounts of ATP to fuel their travel through the reproductive tract. This ATP is generated via oxidative metabolism of the glucose and fructose contained in the seminal fluid. These sugars are large polar molecules that enter sperm cells via glucose transporters or GLUTS. One such GLUT protein is depicted in the image below. When GLUTS recognize and bind glucose, they undergo a conformational change releasing glucose on the other side of the membrane. Due to the persistent high energy demands of the sperm cell, these sugars are continually being catabolized (broken down). GLUCOSE Extracellular surface B Intracellular surface GLUCOSE NH3 On the image above: i) label the intracellular and extracellular surfaces, and ii) depict the typical concentration gradient for glucose and fructose present across the membrane of a sperm cell found in seminal fluid. Using no more than 1 sentence, explain how you determined the orientation of this membrane?

Human Anatomy & Physiology (11th Edition)
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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Practice question 2 Sperm need significant amounts of ATP to fuel their travel through the reproductive tract. This ATP is generated via oxidative metabolism of the glucose and fructose contained in the seminal fluid. These sugars are large polar molecules that enter sperm cells via glucose transporters or GLUTS. One such GLUT protein is depicted in the image below. When GLUTS recognize and bind glucose, they undergo a conformational change releasing glucose on the other side of the membrane. Due to the persistent high energy demands of the sperm cell, these sugars are continually being catabolized (broken down). GLUCOSE Extracellular surface CO* Intracellular surface GLUCOSE NH On the image above: i) label the intracellular and extracellular surfaces, and ii) depict the typical concentration gradient for glucose and fructose present across the membrane of a sperm cell found in seminal fluid. Using no more than 1 sentence, explain how you determined the orientation of this membrane?
Transcribed Image Text:Practice question 2 Sperm need significant amounts of ATP to fuel their travel through the reproductive tract. This ATP is generated via oxidative metabolism of the glucose and fructose contained in the seminal fluid. These sugars are large polar molecules that enter sperm cells via glucose transporters or GLUTS. One such GLUT protein is depicted in the image below. When GLUTS recognize and bind glucose, they undergo a conformational change releasing glucose on the other side of the membrane. Due to the persistent high energy demands of the sperm cell, these sugars are continually being catabolized (broken down). GLUCOSE Extracellular surface CO* Intracellular surface GLUCOSE NH On the image above: i) label the intracellular and extracellular surfaces, and ii) depict the typical concentration gradient for glucose and fructose present across the membrane of a sperm cell found in seminal fluid. Using no more than 1 sentence, explain how you determined the orientation of this membrane?
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