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Evgen [1.6K]
3 years ago
10

23. Which type of chemical reaction tends to occur on its own, or spontaneously?

Biology
1 answer:
alisha [4.7K]3 years ago
4 0

Answer:

Exothermic reactions

Explanation:

Exothermic reactions are more spontaneous because they release energy for example "my bouncy ball is rolling down the hill".

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Which way should an arrow point between a producer and consumer in a food web? Why​
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The arrow should be pointing from the producer towards the consumer.

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NAD+ is a limiting factor in glycolysis. In the absence of ____________________ the conversion of (1) ____________________ to NA
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The correct options to fill in the gaps are:

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<h3>What is the role of NAD+ in glycolysis?</h3>

NAD+ serves as an electron acceptor in glycolysis. It accepts two electrons to become reduced to NADH + H+.

NAD+ is a limiting factor in glycolysis. In the absence of ADP, the conversion of NADH to NAD+ via the electron transport chain is prevented from happening.

In eukaryotes, the hydrogen atoms of the molecules mentioned in are transferred to certain organic molecules in one of two methods: alcohol fermentation as can occur in yeast and lactic acid fermentation as can occur in human cells. In the process mentioned in, the hydrogen atoms are passed to acetaldehyde, which is then converted to a molecule of ethanol. During this a molecule of NADH is oxidized to a molecule of NAD+, which allows glycolysis to continue on.

In conclusion, NAD+ concentration is limiting to glycolysis.

Learn more about glycolysis at: brainly.com/question/4109143

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