Match the Protein or Structural Feature on the Left with One

question 87

Essay

Match the protein or structural feature on the left with one appropriate description on the right.
____ Activator
(a) A positive regulator
____ Helix-turn-helix
(b) A negative regulator
____ Leucine zipper
(c) Facilitates transcription only when bound to a signal
____ Repressor
molecule
____ Zinc finger
(d) A DNA-binding structural motif found in many
prokaryotic regulatory proteins
(e) A structural feature involved in protein-protein interactions
between some regulatory protein monomers
(f) A protein that dissociates from DNA when bound to a
signal molecule
(g) A DNA-binding structural motif found in many eukaryotic
regulatory proteins

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Definitions:

Pyruvate

Pyruvate is a key intermediate in several metabolic pathways throughout the cell.

Net Yield

The total output or result obtained from a process after subtracting any costs, losses, or other deductions.

ATP

ATP, a molecule responsible for transporting energy inside cells needed for metabolic processes.

Glucose Oxidation

A metabolic process where glucose is broken down to produce energy in the form of ATP, often occurring in the presence of oxygen.