Which of the following illustrations is not a structural isomer of an organic compound with the molecular formula C6H14? For clarity, only the carbon skeletons are shown; hydrogen atoms that would be attached to the carbons have been omitted.

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#Question id: 6942

#SCPH01 Biochemistry

How long does embryonic development (before 1st instar larva hatches) take in this organism?

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#Question id: 9268

#SCPH05 I Biotechnology

The most active photosynthetic tissue in higher plants is the

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#Question id: 1098

#SCPH01 Biochemistry

Which of the following is the most plausible explanation for why an animal cell would be unable to reduce the Ca2+ concentration in its cytosol compared with the extracellular fluid?

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#Question id: 1752

#SCPH05 I Biotechnology

Dendritic cells can be driven from a resting state to an activated state by the T-cell surface molecule:

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#Question id: 115

#SCPH05 I Biotechnology

Which of the following is true of sphingolipids?