Gluconeogenesis

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Match the following enzymes with which reaction they catalyze in gluconeogenesis:

Reaction 1 = Pyruvate carboxylase Reaction 7 = Aldolase Reaction 5 = Glyceraldehyde-3-phosphate dehydrogenase Reaction 9 = Phosphoglucose isomerase

Match the following enzymes with which reaction they catalyze in gluconeogenesis:

Reaction 2 = Enolase Reaction 6 = Triose phosphate isomerase Reaction 10 = Glucose-6-phosphatase Reaction 3 = Phosphoglycerate mutase

Match the enzyme with the reaction it corresponds with in gluconeogenesis:

Reaction 4 = Phosphoglycerate isomerase Reaction 8 = Fructose 1,6 bisphosphatase Reaction 5 = Glyceraldehyde-3-phosphate dehydrogenase Reaction 10 - bypass = Glucose-6-phosphotase

Match the reactants with the reaction of gluconeogenesis:

<p>Reaction 1 = Pyruvate -&gt; Oxaloacetate Reaction 5 = 1-3 diphosphoglycerate &lt;-&gt; Glyceraldehyde Reaction 4 = 3-phosphoglycerate &lt;-&gt; 1-3 diphosphoglycerate Reaction 9 = 1,6 bisphosphate -&gt; F6P</p> Signup and view all the answers

Match the reactants to the reaction of gluconeogenesis:

<p>Reaction 3 = 2-phosphoglycerate &lt;-&gt; 3-phosphoglycerate Reaction 8 = Fructose 1,6 bisphosphate -&gt; Fructose-6-phosphate Reaction 2 = Oxaloacetate -&gt; Phosphoenolpyruvate Reaction 6 = Triose phosphate isomerase</p> Signup and view all the answers

Match the reaction with the reactant it corresponds to:

<p>Reaction 10 = G-6-P -&gt; glucose Reaction 7 = Dihydorxyacetone-phosphate + Glyceraldehyde -&gt; Fructose 1,6 bisphosphate Reaction 8 = Fructose 1,6 bisphosphate -&gt; F-6-P Reaction 9 = F-6-P &lt;-&gt; G-6-P</p> Signup and view all the answers

What 3 molecules can be converted into glucose?

<p>lactate, glycerol, glycogenic amino acids (B)</p> Signup and view all the answers

Insulin and glucagon are regulators of gluconeogenesis.

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

Lactate + NAD+ <-> NADH + H + pyruvate

What does this reaction show?

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

How can glycerol enter the process of gluconeogenesis?

<p>Being converted to dihydroxyacetone (DHAP) (A)</p> Signup and view all the answers

Which 2 amino acids are not glycogenic and therefore, are ketogenic?

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

Once in the cytosol, in the malate shuttle system, what is oxaloacetate converted to so it can exit the mitochondria?

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

In the malate shuttle system, what is oxaloacetate converted to so it can exit the mitochondria?

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

In the lactate shuttle system, what is lactate converted to in the cytosol so it can enter the mitochondria?

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

In the lactate shuttle system, once in the mitochondria, oxaloacetate is converted to __________________ to be used in gluconeogenesis.

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

In the Cori cycle, where is lactate converted to pyruvate?

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

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Browser