Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 6.3, Problem 1CS
Summary Introduction
To interpret: A model for NADH (Nicotinamide Adenine Dinucleotide-Hydrogen) cycle in a similar format with reference to ATP (Adenosine triphosphate) cycle of figure 6.4 given in the text book. Also incorporate red squiggly arrows for indicating exergonic and endergonic reactions.
Introduction: NADH is used by the mitochondria of the cell to synthesize ATP. NADH plays an important role in ATP cycle and possesses its own cycle. In NADH cycle, it is converted to NAD+ and again coverts into NADH.
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Challenge: In the process of photosynthesis, plants use carbon dioxide (CO,), water (H,O), and light
energy to produce sugar (C,H,,O) and oxygen (O,). In the process of aerobic respiration, animals and
plants release energy from sugar and oxygen and produce carbon dioxide and water. The chemical
equations that describe these reactions look like this:
6CO, + 6H,0 + light→ C,H,,06 + 602
CH,,06 + 60, → 6CO, + 6H,0 + energy
How do these equations explain why the total amount of O, and CO, remains the same?
Question:-
List the different molecules, an electrons is part of, as it moves from NADPH through the light-independent phase of photosynthesis and is synthesized into a substrate that can feed it into a NADH molecule as part of aerobic cellular respiration. Provide 2 different options for NADH production.
CHCASE
Dashboard
A student conducts two experiments to observe the effects of different factors on ATP production during aerobic cellular respiration. In the first experiment, the
student isolates mitochondria in a test tube, adds oxygen to the test tube, and measures the amounts of ATP produced at three temperatures. In a second
experiment, the student keeps the temperature the same and varies the concentration of oxygen added to the test tube for each trial, The student records all data
in the table shown.
Ite
Ite
Ite
Experiment Trial Temperature Oxygen Concentration
(°C)
ATP Produced
(mol/L)
(mol/L)
Iter
1
25
15
1.5
Iter
1
30
15
1.8
Item
35
15
2.6
Iter
35
25
3.5
Iter
2
2
35
35
3.8
Item
3
35
45
4.2
Based on the experiments, which statement can be concluded concerning ATP production during aerobic cellular respiration?
O Increasing the temperature or the oxygen concentration improves the efficiency of ATP production during aerobic cellular respiration.
O Decreasing the temperature or…
Chapter 6 Solutions
Biology
Ch. 6.1 - Which do you think has more entropy, a NaCl...Ch. 6.1 - Prob. 2CCCh. 6.2 - Prob. 1CCCh. 6.2 - Prob. 2CCCh. 6.2 - Prob. 1CSCh. 6.2 - Prob. 1EQCh. 6.2 - Prob. 2EQCh. 6.2 - Prob. 3EQCh. 6.3 - Prob. 1CSCh. 6.3 - Prob. 2CS
Ch. 6.4 - What are advantages of protein degradation?Ch. 6 - Reactions that release free energy are a....Ch. 6 - Enzymes speed up reactions by a. providing...Ch. 6 - Prob. 3TYCh. 6 - Researchers analyzed a cell extracta mixture of...Ch. 6 - In biological systems, ATP functions by a....Ch. 6 - In a chemical reaction, NADH is converted to NAD+...Ch. 6 - Prob. 7TYCh. 6 - Prob. 8TYCh. 6 - Prob. 9TYCh. 6 - Autophagy provides a way for cells to a. degrade...Ch. 6 - Prob. 1CQCh. 6 - Prob. 2CQCh. 6 - Prob. 3CQCh. 6 - Prob. 1COQCh. 6 - Prob. 2COQ
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