Discussion
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- Question
If complex III were incorporated into an artificial lipid vesicle in order to demonstrate it's proton translocating ability in isolation, which of the following would be an appropriate electron donor?
Options- A. Cytochrome c red
- B. Cytochrome c peroxidase
- C. Ubiquinol (UQH2)
- D. Cytochrome c oxidase
- Correct Answer
- Ubiquinol (UQH2)
- 1. Cellular organelles are embedded in the
Options- A. endoplasmic reticulum
- B. cristae
- C. cytosol
- D. microtubules Discuss
- 2. Any system that is not at equilibrium
Options- A. is thermodynamically unstable, although it may be kinetically stable
- B. is kinetically unstable, although it may be thermodynamically stable
- C. is rushing toward equilibrium at a very rapid rate
- D. requires an enzyme to reach equilibrium Discuss
- 3. The cell membrane is made up of
Options- A. lipoproteins
- B. cellulose
- C. phospholipids
- D. phosphoproteins Discuss
- 4. The element neon (Ne) has eight electrons in its outermost electron shell. How many covalent bonds will Ne readily form?
Options- A. None
- B. One
- C. Two
- D. Four Discuss
- 5. Both plant and animal cell possess
Options- A. cell walls
- B. mitochondria
- C. central vacuoles
- D. chloroplast Discuss
- 6. Which part of a plant contains the male sex cell?
Options- A. Ova
- B. Style
- C. Stamen
- D. Pollen Discuss
- 7. The fluid matrix of a cell is called the
Options- A. nucleus
- B. cytosol
- C. cytoskeleton
- D. endoplasmic reticulum Discuss
- 8. Which is not true about a photon?
Options- A. It is a packet of light energy
- B. The shorter the wavelength, the greater the energy of the photons
- C. It is trapped by photosynthetic unit
- D. It donates electron to reduce carbon dioxide to glucose Discuss
- 9. Water content of active protoplasm is
Options- A. 10%
- B. 40%
- C. 70%
- D. 90% Discuss
- 10. Which of the following statements about the outer mitochondrial membrane is not true?
Options- A. The outer membrane is impermeable to hydrogen ions
- B. The outer membrane is highly permeable to substances of small molecular weight
- C. The outer membrane is about 50% lipid and 50% protein by weight
- D. The outer membrane contains porins Discuss
Plant Structure problems
Search Results
Correct Answer: cytosol
Correct Answer: is thermodynamically unstable, although it may be kinetically stable
Correct Answer: lipoproteins
Correct Answer: None
Correct Answer: mitochondria
Correct Answer: Pollen
Correct Answer: cytosol
Correct Answer: It donates electron to reduce carbon dioxide to glucose
Correct Answer: 90%
Correct Answer: The outer membrane is impermeable to hydrogen ions
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