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Biological molecules

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Question 15

A student compiled a summary table of different biochemical transitions involving key biological molecules, their reaction types, the specific bonds involved, and the role of water in each process.

RowBiochemical TransitionReaction TypeBond InvolvedRole of WaterAβ-glucose → CelluloseCondensationα-1,4-glycosidicReleasedB2 Amino acids → DipeptideCondensationPeptideConsumedCTriglyceride → Glycerol + Fatty acidsHydrolysisEsterConsumedDMaltose → 2 α-glucoseHydrolysisGlycosidicReleased \begin{array}{|c|l|c|c|c|} \hline \textbf{Row} & \textbf{Biochemical Transition} & \textbf{Reaction Type} & \textbf{Bond Involved} & \textbf{Role of Water} \\ \hline \textbf{A} & \beta\text{-glucose } \rightarrow \text{ Cellulose} & \text{Condensation} & \alpha\text{-1,4-glycosidic} & \text{Released} \\ \hline \textbf{B} & \text{2 Amino acids } \rightarrow \text{ Dipeptide} & \text{Condensation} & \text{Peptide} & \text{Consumed} \\ \hline \textbf{C} & \text{Triglyceride } \rightarrow \text{ Glycerol + Fatty acids} & \text{Hydrolysis} & \text{Ester} & \text{Consumed} \\ \hline \textbf{D} & \text{Maltose } \rightarrow \text{ 2 } \alpha\text{-glucose} & \text{Hydrolysis} & \text{Glycosidic} & \text{Released} \\ \hline \end{array} RowABCD​Biochemical Transitionβ-glucose → Cellulose2 Amino acids → DipeptideTriglyceride → Glycerol + Fatty acidsMaltose → 2 α-glucose​Reaction TypeCondensationCondensationHydrolysisHydrolysis​Bond Involvedα-1,4-glycosidicPeptideEsterGlycosidic​Role of WaterReleasedConsumedConsumedReleased​​

Which of the rows, A to D, is correct?

Row A

Row B

Row C

Row D

Biological molecules Questions

  1. A Level
  2. /Biology
  3. /Biological molecules