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8. List 4 GENERAL ways that a CELL, can DECREASE the rate of its reactions?

1. 2. 3. 4.

10. What is the BASIC difference between substrate-level phosphorylation and oxidative phosphorylation? (do not tell me which pathways are involved).

11. Exactlyâ¦.and I mean exactlyâ¦..which chemical reaction in the aerobic metabolic pathways, actually uses oxygen, and what does it do to the oxygen that it uses.

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Sixta KovacekLv2

22 Nov 2018

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Related questions

What is substrate-level phosphorylation

? What is oxidative phosphorylation

? Explain how cellular respiration produces ATP from molecules with high potential energy, such as glucose

? Describe the four components of cellular respiration? What goes into each and comes out of each?

? What is fermentation? How are cellular respiration and fermentation regulated?

? Describe how fermentation operates in the absence of the electron transport chain?

? What does cellular respiration do? What is the chemical equation? ? What is the role of the electron carriers NADH and FADH2

? What is the final electron acceptor of aerobic respiration?

? What is the difference between aerobic and anaerobic respiration?

? What does the enzyme phosphofructokinase do and how is it regulated?

? What is acetyl CoA?

? Where do all of the processes involved in cellular respiration take place within the cell?

? What is ATP synthase and what is its role? ? What is cytochrome C and ubiquinone (Q)? What do these do?

? What is chemiosmosis and how does it generate ATP?

brownguinea-pig705

1. What is meant by catabolic and anabolic reactions? Give an example of each.

2. Is the DG for an exergonic reaction more than or less than zero? What about an endergonic reaction? In which type of reaction do the products have more energy than the reactants? Why?

3. How do metabolic pathways keep from reaching equilibrium?

4. Describe the components of ATP. What is the purpose of ATP in the cell? How is it recycled?

5. What is meant by the E_A of a reaction? How do enzymes affect the E_A and the DG of a reaction?

6. Describe the cycle of an enzyme as it catalyzes a reaction.

7. How does an enzyme lower the E_A of a reaction?

8. What is the difference between a competitive and a non-competitive inhibitor of an enzyme? Which type of inhibition can be overcome by increasing the substrate concentration? Why?

9. Describe how an allosteric enzyme works.

10. Why is feedback inhibition important in metabolic pathways?

11. Define Energy. What are the different types of Energy?

12. What are the laws of Thermodynamics?

13. Explain redox reactions.

Question 1

Which of the following statements regarding photosynthesis and cellular respiration is true?

	A.	Photosynthesis occurs in mitochondria, and cellular respiration occurs in chloroplasts.
	B.	Photosynthesis occurs in chloroplasts, and cellular respiration occurs in mitochondria.
	C.	Photosynthesis occurs in mitochondria and in chloroplasts.

Question 2

How do cells capture the energy released by cellular respiration?

	A.	They produce glucose
	B.	The energy is coupled to oxygen
	C.	They produce ATP

Question 3

During redox reactions

	A.	the loss of electrons from one molecule is called reduction
	B.	electrons are lost from one substance and added to another substance
	C.	protons from one molecule replace the electrons lost from another molecule

Question 4

Oxidation is the ________, and reduction is the ________.

	A.	gain of oxygen; loss of oxygen
	B.	loss of electrons; gain of electrons
	C.	gain of protons; loss of protons

Question 5

During cellular respiration, NADH

	A.	delivers its electron load to the first electron carrier molecule.
	B.	is chemically converted into ATP
	C.	is the final electron acceptor

Question 6

A drug is tested in the laboratory and is found to create holes in both mitochondrial membranes. Scientists suspect that the drug will be harmful to human cells because it will inhibit

	A.	the citric acid cycle only.
	B.	glycolysis only
	C.	the citric acid cycle and oxidative phosphorylation

Question 7

Which of the following metabolic pathways is common in aerobic and anaerobic metabolism?

	A.	glycolysis
	B.	the citric acid cycle
	C.	electron transport chain

Question 8

Which of the following is a result of glycolysis?

	A.	production of CO2
	B.	a net loss of two ATPs per glucose molecule
	C.	conversion of glucose to two three-carbon compounds

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