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Which scenario best illustrates positive feedback maintaining high concentrations of a product within a cell?
How do products from one metabolic pathway regulate enzymes in another pathway?
Evaluate the effectiveness of positive feedback in maintaining high concentrations of a product within a cell.
Which of the following is NOT a common type of post translational modification?
How does phosphorylation affect protein function in cellular signaling?
In what way do disulfide bonds contribute to the stability of extracellular proteins?
Which of the following statements best describes the process of ubiquitination?
Why is ubiquitination important for protein regulation?
Why is ubiquitination considered a critical regulatory mechanism in eukaryotic cells?
Which molecule is a common source of phosphate groups in phosphorylation?
Which amino acids are most commonly phosphorylated due to their hydroxyl groups?
How does the negative charge of phosphate groups affect enzyme conformation?
Which enzyme is responsible for adding phosphate groups to proteins?
How are zymogens typically activated?