Enzyme Regulation

These flashcards provide key terms and definitions related to enzyme regulation, highlighting important concepts discussed in the lecture.

Housekeeping Enzymes

Enzymes that perform fundamental functions needed by all cells.

Zymogen

An inactive precursor of an enzyme that requires a biochemical change to become an active enzyme.

Feedback Inhibition

A regulation mechanism where the end product of a pathway inhibits an earlier step in the pathway.

Enterokinase

An enzyme found in the brush border of the intestine that activates trypsinogen to trypsin.

Controlled Hydrolysis

A specific reaction involving water that breaks down a compound at a designated site without disassembling it completely.

Threonine Deaminase

An enzyme that converts threonine into isoleucine in a multistep process.

Pepsin

An enzyme that digests dietary proteins, found specifically in the stomach.

Trypsinogen

An inactive zymogen that is converted into the active enzyme trypsin in the intestine.

Multistep Pathway

A series of biochemical reactions occurring in sequence, often involving multiple enzymes.

Isoleucine

An amino acid that can inhibit threonine deaminase in a feedback mechanism.