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larisa86 [58]
3 years ago
10

How does an enzyme influence a chemical reaction?

Biology
1 answer:
seropon [69]3 years ago
8 0

Answer:

It speeds up the reaction rate

Explanation:

Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.

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Products of glycolysis include:
Sveta_85 [38]

Answer: c. 2 pyruvate molecules

Explanation:

Glycolysis is the first step it the cell respiration cycle. It turns one molecule of glucose into two molecules of pyruvate by a series of reactions catalyzed by different enzymes.

It starts by using 2 ATP to turn glucose into fructose-1,6-bisphosphate, which then divides in two and releases 4 ATP when it turns into two pyruvate molecules.

Thus glycolysis consumes 2 ATP and releases 4 ATP (giving a net gain of 2 ATP) and 2 pyruvate molecules.

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3 years ago
How are prokaryotic and eukaryotic different
ehidna [41]
Prokaryotic cells do not contain a nucleus or any other membrane-bound organelle, while Eukaryotic cells contain membrane-bound organelles, including a nucleus.
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3 years ago
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Which of the following options lists the stages in cellular respiration in the correct order? glycolysis, the citric acid cycle,
marishachu [46]

Answer:

The correct answer is  glycolysis, the citric acid cycle, and oxidative phosphorylation

Explanation:

Aerobic respiration contains three major processes that are glycolysis, the citric acid cycle, and oxidative phosphorylation.  

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In the Krebs cycle, acetyl CoA gives rise to 4 CO₂, 2 ATP, 6 NADH, and 2 FADH₂. So from glycolysis and Krebs cycle, only 4 ATP is produced and most of the energy remains in the form of NADH and FADH₂.

So in oxidative phosphorylation electrons are released from these molecules into machinery of oxidative phosphorylation to synthesize ATP.

3 0
3 years ago
What system includes the core, mantle, and crust of the Earth?
Y_Kistochka [10]
The Earth System includes the core, mantle, and crust
This can also be labeled as the earth's Interiors
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