Which of the following functional groups would make a carbon-based compound the

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Question
Which of the following functional groups would make a carbon-based compound the least polar?
Options
A. Phosphate
B. Methyl
C. Carboxyl
D. Amino

Correct Answer

Methyl

Plant Structure problems

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1. 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

2. 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

5. The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that
Options
A. the mitochondrial matrix is hypotonic to the cellular cytoplasm
B. the mitochondrial matrix is hypertonic to the cellular cytoplasm
C. mitochondria were derived from a symbiotic bacterium
D. mitochondria are surrounded by a semi permeable membrane

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