Which metabolic pathway do skeletal muscles rely on when...

Madhur L and 62 other subject Biology educators are ready to help you.

Ask a new question

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Key Concept

Premium Feature

Explore the core concept behind this problem.

Key Concept

Premium Feature

Explore the core concept behind this problem.

Recommended Videos

For example, a friend of yours goes to the gym and takes a 30-minute cardio interval training class. While switching between doing high-intensity push-ups, jumping jacks, and weight training, she notices that there is a burning sensation in her muscles. The burning is due to the buildup of lactate in the muscle tissue, a result of her muscles supplying ATP anaerobically. What is true about this pathway for forming ATP?

Madhur L.

6-muscles-and-the-nervous-system-question-the-excitation-contraction-and-relaxation-of-skeletal-muscle-require-the-use-of-atp-because-only-limited-stores-of-atp-are-immediately-available-in-75238

Question 1: The excitation, contraction, and relaxation of skeletal muscle require the use of ATP. Because only limited stores of ATP are immediately available in muscle tissue, ATP must be continually supplied if contractile activity is to continue. Depending on the type of movement or exercise, one or more pathways can be used to provide the most efficient way of supplying the ATP. For example, a cross-country skier who skis continuously for two hours during a training exercise will need a sustained source of ATP. Which one? Oxidative phosphorylation Glycolysis Using creatine phosphate Question 2: To prepare for the cross-country meet, a skier decides to significantly increase the amount of carbohydrates in his diet (a technique also known as carbohydrate loading). Why might this be beneficial to the cross-country skier? Check all that apply. Carbohydrates are used to build actin filaments in the myofibrils, which increases muscle bulk and performance. Eating more carbohydrates leads to more glycogen stores in muscles, which then equates to larger energy stores for short, explosive bouts of energy use. The liver can store copious amounts of ingested carbohydrates as glycogen, which can then be slowly broken down to release the glucose needed to fuel aerobic respiration. As long as oxygen is present, the glucose stored in the ingested carbohydrates can provide a steady stream of ATP, thus meeting the demands of prolonged periods of exercise.

Sri K.

During a 1500-meter (i.e., 3-4 minute long) running race, which two metabolic pathways will be primarily involved? Group of answer choices ATP-PCr, anaerobic glycolysis ATP-PCr, oxidative phosphorylation Anaerobic glycolysis, oxidative phosphorylation All three pathways will contribute significantly

Suman K.

Transcript

00:01 Hello students, anaerobic glycolysis is the process of form atp without oxygen.

00:24 This occurs in the cytoplasm of the cells during the high intensity workouts.

00:33 Glucose is converted into pyruvate by the process of anaerobic respiration and it is later converted into lactate and this high accumulation of lactate causes the burning sensation.

01:11 The anaerobic glycolysis produces atp more quickly and it is less efficient than the aerobic metabolism which requires oxygen and produces more atp per glucose molecule...

Question

Which metabolic pathway do skeletal muscles rely on when someone is lifting weights? Anacrobic respiration Aerobic respiration Both anacrobic respiration and acrobic respiration are correct.

Please give Ace some feedback