Glycolysis: Metabolic Pathway of Glucose
29 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Where does glycolysis occur in the cell?

  • Mitochondria
  • Nucleus
  • Endoplasmic reticulum
  • Cytosol (correct)

What is the main function of glycolysis?

  • To break down ATP to release energy
  • To produce ATP from pyruvate
  • To convert glucose into pyruvate (correct)
  • To convert pyruvate into glucose

How many net molecules of ATP are generated in glycolysis per molecule of glucose?

  • Five
  • Two (correct)
  • Zero
  • Four

Which enzyme is responsible for the transfer of pyruvate to lactate?

<p>Lactate dehydrogenase (B)</p> Signup and view all the answers

In which stage of glycolysis are two phosphorylated 3-carbon compounds formed?

<p>(Splitting stage) (B)</p> Signup and view all the answers

What type of process is glycolysis in terms of oxygen requirement?

<p>Oxygen-independent process (C)</p> Signup and view all the answers

What is the overall energy yield from the complete breakdown of one molecule of glucose in glycolysis?

<p>2 ATP (B)</p> Signup and view all the answers

Which enzyme catalyzes the conversion of glucose to glucose-6-phosphate in the first step of glycolysis?

<p>Hexokinase (B)</p> Signup and view all the answers

In which phase of glycolysis are ATP molecules used to phosphorylate glucose?

<p>Investment phase (C)</p> Signup and view all the answers

What is the fate of pyruvate in the presence of mitochondria and oxygen in the cells?

<p>Enters the Krebs cycle (C)</p> Signup and view all the answers

Where does glycolysis take place within a cell?

<p>Cytosol (C)</p> Signup and view all the answers

What is the main product of glycolysis under anaerobic conditions?

<p>Lactate (A)</p> Signup and view all the answers

Does glycolysis produce carbon dioxide as a byproduct?

<p>No, carbon dioxide is not produced during glycolysis. (A)</p> Signup and view all the answers

What is the primary purpose of glycolysis?

<p>To break down glucose to produce energy in the form of ATP and NADH (C)</p> Signup and view all the answers

Is glycolysis an aerobic or anaerobic process?

<p>Both aerobic and anaerobic (C)</p> Signup and view all the answers

What is the net gain of ATP molecules in glycolysis?

<p>Two molecules (D)</p> Signup and view all the answers

What is the main function of lactate dehydrogenase in glycolysis?

<p>Transfer of pyruvate to lactate (D)</p> Signup and view all the answers

Which stage of glycolysis involves the formation of two phosphorylated 3-carbon compounds?

<p>Splitting stage (B)</p> Signup and view all the answers

Under anaerobic conditions, the main product of glycolysis is:

<p>Lactate (A)</p> Signup and view all the answers

In which cellular compartment does glycolysis occur?

<p>Cytosol (D)</p> Signup and view all the answers

Which enzyme catalyzes the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate in glycolysis?

<p>Phosphofructokinase (C)</p> Signup and view all the answers

What is the net ATP production per molecule of glucose in glycolysis?

<p>2 ATP (D)</p> Signup and view all the answers

What is the fate of pyruvate in the absence of mitochondria and oxygen in the cells?

<p>It is converted to lactate (D)</p> Signup and view all the answers

In which phase of glycolysis does the phosphorylation of glucose occur?

<p>Investment phase (B)</p> Signup and view all the answers

What enzyme catalyzes the conversion of glucose to glucose-6-phosphate in the first step of glycolysis?

<p>Hexokinase (D)</p> Signup and view all the answers

Which process follows glycolysis in the absence of oxygen and mitochondria?

<p>Fermentation (A)</p> Signup and view all the answers

What is the primary location of glycolysis within a cell?

<p>Cytosol (D)</p> Signup and view all the answers

What is the main advantage of glycolysis in terms of ATP production?

<p>Rapid production of ATP (A)</p> Signup and view all the answers

What is the end product of glycolysis in aerobic conditions?

<p>$2$ molecules of pyruvate (A)</p> Signup and view all the answers

More Like This

Glycolysis Pathway Overview
8 questions
Glycolysis and Its Function
32 questions

Glycolysis and Its Function

WarmheartedIndianapolis avatar
WarmheartedIndianapolis
Glycolysis: Breakdown of Glucose
8 questions
Use Quizgecko on...
Browser
Browser