Discussion
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- Question
Chemical energy is supplied to eukaryotic cells by
Options- A. chloroplasts and golgi complexes
- B. mitochondria and ribosomes
- C. mitochondria only
- D. mitochondria and chloroplasts
- Correct Answer
- mitochondria and chloroplasts
- 1. Tonoplast is a membrane around
Options- A. cytoplasm
- B. vacuole
- C. nucleus
- D. mitochondria Discuss
- 2. Which of the following functional groups would make a carbon-based compound the least polar?
Options- A. Phosphate
- B. Methyl
- C. Carboxyl
- D. Amino Discuss
- 3. The composition of the inner mitochondrial membrane is most like that of
Options- A. the outer mitochondrial membrane
- B. the cell's plasma membrane
- C. some bacterial plasma membranes
- D. the nuclear membrane Discuss
- 4. Why do some redox reactions in cells result in the transfer of electrons from a reductant with a higher standard redox potential to an oxidant with a lower standard redox potential?
Options- A. Redox potentials are defined under standard conditions, and cellular conditions are typically not standard conditions
- B. The rules governing oxidation and reduction apply only in vitro, and not in vivo
- C. Electrons always go from reductants with high redox potentials to oxidants with low redox potentials
- D. None of the above Discuss
- 5. Mitochondria can be expected most numerous in
Options- A. green cells
- B. red blood cells
- C. muscle cells
- D. none of these Discuss
- 6. Both plant and animal cell possess
Options- A. cell walls
- B. mitochondria
- C. central vacuoles
- D. chloroplast Discuss
- 7. 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
- 8. The cell membrane is made up of
Options- A. lipoproteins
- B. cellulose
- C. phospholipids
- D. phosphoproteins Discuss
- 9. 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
- 10. Cellular organelles are embedded in the
Options- A. endoplasmic reticulum
- B. cristae
- C. cytosol
- D. microtubules Discuss
Plant Structure problems
Search Results
Correct Answer: vacuole
Correct Answer: Methyl
Correct Answer: some bacterial plasma membranes
Correct Answer: Redox potentials are defined under standard conditions, and cellular conditions are typically not standard conditions
Correct Answer: muscle cells
Correct Answer: mitochondria
Correct Answer: None
Correct Answer: lipoproteins
Correct Answer: is thermodynamically unstable, although it may be kinetically stable
Correct Answer: cytosol
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