Answered: What is meant by the term cellular…

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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Question

What is meant by the term cellular respiration?

A. The process by which cells breath

B. The process by which cells make their own food by assembling chemical bonds.

C. The process by which cells break down the chemical bonds in food to get energy

D. The process by which cells make oxygen for us to use in our bodies.

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Expert Solution

Step 1

Cellular respiration is a multistep process that all cells utilize to collect energy from organic molecules and transform them into a usable form. This usable form is adenosine triphosphate, or ATP, which contains power in the form of phosphate bonds. When ADP and P_i are hydrolyzed, energy is released, which can fuel energy-demanding processes that the cell requires to live.