Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Chapter 1, Problem 12RQ
Adenosine triphosphate (ATP) is an important molecule because it ________.
- is the result of catabolism
- release energy in uncontrolled bursts
- stores energy for use by body cells
- All of the above
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Skeletal muscles, which move bones, consist of cells fused into long fibers. These muscle fibers differ in how they make ATP. Red muscle fibers use aerobic respiration to generate ATP. Red muscle fibers have greater endurance because they can continue to generate ATP as long as they continue to get oxygen. White muscle fibers use anaerobic respiration to generate ATP. White muscle fibers can generate ATP very quickly for short bursts of energy but they cannot sustain this for long periods of time.
Red muscle fibers are darker in color than white muscle fibers. This difference in color is partially because red muscle fibers have many more mitochondria than white muscle fibers, and the mitochondria require a large number of myoglobin proteins. Myoglobin proteins help transport oxygen to the mitochondria and create the deep red color of red muscle fibers.
Which of the following statements correctly describes why white muscle fibers do not need as many mitochondria as red muscle fibers?…
ATP is a limited source of energy for skeletal muscle contraction. The cell has other ways of producing ATP depending on the duration and type of exercise. Describe these other processes contributing to ATP production in a person is running on a treadmill for 30 minutes.
Why is so little ATP stored in the muscle cells?
High levels of ATP would get broken down quickly resulting in the
muscle cell overheating.
ATP is a heavy molecule.
ATP regeneration requires very little energy.
The cell does not need much ATP to function.
Chapter 1 Solutions
Anatomy & Physiology
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Ch. 1 - Metabolism can be defined as the ________....Ch. 1 - Adenosine triphosphate (ATP) is an important...Ch. 1 - Cancer cells can be characterized as generic cells...Ch. 1 - Humans have the most urgent need for a continuous...Ch. 1 - Which of the following statements about nutrients...Ch. 1 - C.J. is stuck in her car during a bitterly cold...Ch. 1 - After you eat lunch, nerve cells in your stomach...Ch. 1 - Stimulation of the heat-loss center causes...Ch. 1 - Which of the following is an example of a normal...Ch. 1 - What is the position of the body when it is in the...Ch. 1 - To make a banana split, you halve a banana into...Ch. 1 - The lumbar region is ________. inferior to the...Ch. 1 - The heart is within the ________. cranial cavity...Ch. 1 - In 1901, Wilhelm Rontgen was the first person to...Ch. 1 - Which of the following imaging techniques would be...Ch. 1 - Which of the following imaging studies can be used...Ch. 1 - What are two major disadvantages of MRI scans?...Ch. 1 - Name at least three reasons to study anatomy and...Ch. 1 - For whom would an appreciation of the structural...Ch. 1 - Name the six levels of organization of the human...Ch. 1 - The female ovaries and the male testes are a part...Ch. 1 - Explain why the smell of smoke when you are...Ch. 1 - Identify three different ways that growth can...Ch. 1 - When you open a bottle of sparkling water, the...Ch. 1 - On his midsummer trek through the desert, Josh ran...Ch. 1 - Identify the four components of a negative...Ch. 1 - What regulatory processes would your body use if...Ch. 1 - In which direction would an MRI scanner move to...Ch. 1 - If a bullet were to penetrate a lung, which three...Ch. 1 - Which medical imaging technique is most dangerous...Ch. 1 - Explain why ultrasound imaging is the technique of...
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- ATP is used by cells for all of the following except ___ catabolic reactions intracellular movement (e.g. vesicular transport) transport solutes across the plasma membrane anabolic reactions muscle contractionarrow_forwardA child is born with a rare disease in which mitochondria are missing from certain skeletal muscle cells. Physicians find that the muscle cells function. Not surprisingly, they also find that ______. the muscles contain large amounts of carbon dioxide following even mild physical exercise the muscles contain large amounts of lactic acid following even mild physical exercise the muscles require extremely high levels of oxygen to function the muscle cells cannot split glucose to pyruvic acidarrow_forwardJogging is considered aerobic exercise because the cardiovascular system (heart and blood vessels) can adjust to supply the oxygen needs of working cells. In contrast, sprinting the 100-meter dash might be called anaerobic (lacking oxygen) exercise, and golf nonaerobic exercise. Explain these last two observations.arrow_forward
- Why do you think a person is able to perform anaerobic exercise (such as lifting and holding a heavy weight) only briefly but can sustain aerobic exercise (such as walking or swimming) for long periods? (Hint: Muscles have limited energy stores.)arrow_forwardWhich of the following is not produced by an animal muscle cell operating under anaerobic conditions? a. heat b. pyruvate c. PGAL d. ATP e. lactate f. oxygenarrow_forward______________ is a molecule that forms when a phosphate compound splits off from a molecule of _______________, releasing energy that can now do work for the cell. This molecule, when formed due to this removal of a phosphate compound, can be thought of as a "dead battery". It can become "recharged" when the phosphate compound is added back onto this molecule. Question 1 options: Reduced nicotinamide adenine dinucleotide (NADH), adenosine triphosphate (ATP) None of the other answers are correct. Sucrose, glucose Zymase, pyruvate Adenosine diphosphate (ADP), adenosine triphosphate (ATP) Adenosine triphosphate (ATP), acetaldehyde Adenosine triphosphate (ATP), adenosine diphosphate (ADP) Lactate, ethanolarrow_forward
- ZAV : j luui r Cuw pir:or Classroom docs.google.com a Adenosine triphosphate (ATP) is an important molecule because it is the result of catabolism release energy in uncontrolled bursts stores energy for use by body cells After you eat lunch, nerve cells in your stomach The fibrous membrane covering the outer surface of the bone is the periosteum epiphysisc endosteum diaphysis Cell membranes contain relatively few protein molecules. contain many carbohydrate molecules are freely permeable to electrolytes but not to proteins. have variable protein and lipid contents depending on themlocation in the cellI. have a stable composition throughout the life of the cell. The exocrine gland stores its secretion until the glandular cell ruptures, whereas the gland releases its apical region and reforms. holocrine; apocrineb eccrine; endocrinec apocrine; holocrined O O O O O O O O O O O Oarrow_forwardThe thermoregulation center found in thalamus. " False True The chemical bonds of a living organism which can create new molecules are the following --------* Peptide bonds Covalent bonds Hydrogen bonds lonic bonds All body membranes attached to basement membrane by* hemidesmosomes gap junction adhesion belt desmosomes The skeletal system has this primary functions as--- Gard exit and entrance Protection leverage Blood cells productionarrow_forwardSkeletal muscle uses lipolysis and b-oxidation to fuel contraction during times of strenuous activity. A marathon athlete has a genetic mutation that renders his carnitine acyltransferase I enzyme inactive. After two hours of running, __________ will be found at abnormally high levels in the __________ of this athlete’s myocytes. Choose (1) answer from column #1 and (1) answer from column #2. Column #1(A) acetyl CoA(B) fatty acid(C) fatty acyl-carnitine (D) fatty acyl CoA Column #2(E) cytoplasm (F) mitochondriaarrow_forward
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What is Metabolism?; Author: Stated Clearly;https://www.youtube.com/watch?v=nRq6N5NGD1U;License: Standard youtube license