For BIOCHEM 1. When we refer to "anabolic" biochemical reactions, what do we mean? Give an...

For BIOCHEM

1. When we refer to "anabolic" biochemical reactions, what do we mean? Give an example of an anabolic reaction. (You can describe in words, you dont need to show a balanced reaction).

2. Stage 1 of metabolism refers to the beginning of deigestion of carbohydrates, fats and proteins. Where do proteins begin stage 1 digestion? What happens at the beginning of Stage 1 digestion of proteins?

3. Which coenzymes serves as an oxidizing agent in glycolysis?

4. Write the net reaction for glycolysis.

Expert Solution

"Anabolic" biochemical reactions : Anabolism refers to building up of things. It represents a succession of chemical reactions that constructs or synthesizes molecules from smaller components, usually requiring energy in the process.

The few example of the anabolic biochemical reaction which we can see in our daily life are:

The body uses simple molecules to create complex ones.

In the same way a builder will use simple building blocks, such as bricks, to create a house.

The building of the polymer from monomers (small molecules) such as Amino acids, which are simple molecules (monomers) . Proteins, which are large and complex molecules (polymers).

2. Protein digestion begins in the stomach with the action of an enzyme called pepsin. A large protein molecule breaks down via a few intermediate steps, in the stomach and in small intestine. At the first stage of digestion, pepsin which is the active protein-digesting enzyme of the stomach on the protein molecule and breaks the bonds that hold the protein molecule together, called peptide bonds.When these bonds are broken chains of amino acids linked together called polypeptides, are obtained.These polypeptides then move into small intestine, where digestion will be completed by additional enzymes.

3. In glycolysis NAD+ (nicotinamide adenine dinucleotide) oxidizes glucose and releases energy, which is then transferred to NAD+ by reduction to NADH.

4. NET reaction for glycolysis is

Glucose + 2NAD+ + 2 Pi + 2 ADP ==> 2 pyruvate + 2 ATP + 2 NADH + 2 H2O

queen_honey_blossom answered 12 hours ago

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