Biotechnology Objective Questions { Plant Structure }

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22. Which of the following experimental results does not support Mitchell's chemiosmosis theory?

A. Electron transport in isolated mitochondria was shown to result in acidification of the medium

B. Addition of dinitrophenol to isolated mitochondria was shown to inhibit electron transport, but had no effect on ATP synthesis

C. Addition of dinitrophenol to isolated mitochondria during electron transport was shown to inhibit acidification of the medium

D. An artificial proton gradient across the inner mitochondrial membrane drives ATP synthesis in the absence of electron transport

23. Both plant and animal cell possess

B. mitochondria

C. central vacuoles

24. The cellular organelle associated with secretion is the

A. golgi complex

B. mitochondrion

25. Which of the following statements about mitochondrial proteins is true?

A. All mitochondrial proteins are coded for and synthesized in the mitochondria

B. Some mitochondrial proteins are coded for and synthesized in the mitochondria and others

C. All mitochondrial proteins are imported from the cytoplasm

D. Mitochondrial proteins arise from other mitochondrial proteins

26. Cellular organelles are embedded in the

A. endoplasmic reticulum

D. microtubules

27. Which molecule serves as a carrier of fatty acids in mitochondria?

28. If the ester bonds of a triacylglycerol molecule's are broken then the kind of molecule, which would be soluble in water, is

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