Cell Metabolism Part 2

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Questions and Answers

Which molecule is an intermediate metabolite in the described pathways?

Molecule 4
Molecule 6 (correct)
Molecule 1
Molecule 5

Enzyme A catalyzes the transformation of Molecule 3 into Molecule 2.

False (B)

What role do enzymes play in metabolic pathways?

Enzymes catalyze the reactions that transform molecules.

The sequence of transformations in a metabolic pathway is shown with arrows indicating the _______ of the reactions.

direction Signup and view all the answers

Match the following enzymes with their respective molecules:

Enzyme A = Molecule 2 Enzyme B = Molecule 3 Enzyme C = Molecule 5 Enzyme D = Molecule 6 Signup and view all the answers

What is the primary purpose of metabolism in cells?

To meet functional needs such as energy and growth (A) Signup and view all the answers

Catabolism involves the formation of complex molecules from smaller molecules.

False (B) Signup and view all the answers

What role do enzymes play in metabolic reactions?

Enzymes speed up chemical reactions. Signup and view all the answers

Acetyl-CoA acts as a ______ between different metabolic pathways.

bridge Signup and view all the answers

Match the metabolic processes with their definitions:

Catabolism = Breakdown of organic matter into smaller molecules Anabolism = Formation of complex molecules from smaller molecules Exogenous molecules = Molecules obtained from outside the cell Endogenous molecules = Molecules produced within the cell Signup and view all the answers

Quel métabolisme consiste à produire de la matière organique à partir de la matière minérale et de l'énergie?

Métabolisme autotrophe (A) Signup and view all the answers

La respiration est la principale voie énergétique pour la production de matière organique par autotrophie.

False (B) Signup and view all the answers

Quel est le produit rejeté lors de la respiration cellulaire?

Dioxyde de carbone Signup and view all the answers

Le métabolisme autotrophe utilise la ____________ pour produire de la matière organique.

lumière Signup and view all the answers

Associez les termes suivants avec leur définition:

Autotrophie = Production de matière organique à partir de matière minérale Hétérotrophie = Production de matière organique à partir de matière organique Photosynthèse = Processus utilisant la lumière pour produire de l'énergie Respiration = Dégradation du glucose en présence de dioxygène Signup and view all the answers

Flashcards

Metabolic Pathway

A series of enzymatic reactions transforming molecules into products.

Enzyme A

An enzyme that catalyzes the conversion of Molecule 1 to Molecule 2.