Chapter 19, Problem 18P

(a)

Summary Introduction

To predict: The time scale for adjustment in respiratory state caused by increased $\left[\text{ADP}\right]$

Introduction:

Cellular respiration is a cascade of cells and processes that take place within the cells of an organism. The end product is ATP (adenosine triphosphate). Synthesis of ATP is dependent mainly on the concentration of ADP in the cell.

(b1)

Summary Introduction

To predict:

The time scale for adjustment in respiratory state caused by reduced ${\text{pO}}_{\text{2}}$(partial pressure of oxygen).

Introduction:

In cellular respiration, the terminal acceptor of electron is oxygen. Oxygen accepts electron and forms water molecule. The end product of cellular respiration is ATP. Respiration rate is measured by the amount of ATP formed.

(b2)

Summary Introduction

To predict:

The difference in the respiratory rate caused by increased $\left[\text{ADP}\right]$ and reduced ${\text{pO}}_{\text{2}}$.

Introduction:

The respiratory rate depends on the concentration of ADP and ${\text{pO}}_{\text{2}}$ and several other factors. The respiratory rate is reduced when the concentration of ADP reduces or there is reduction in ${\text{pO}}_{\text{2}}$.