NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Certain processes in the human body must be sped up in order to occur fast enough to sustain life. Why does the timeliness of these processes depend on proteins?
A
Some proteins store energy as muscle tissue.
B
Some proteins are enzymes that increase the rate of reactions
C
Some proteins support and maintain cell shape
D
Some proteins are important fuels for cellular processes
Explanation: 

Detailed explanation-1: -Certain processes in the human body must be sped up in order to occur fast enough to sustain life. Why does the timeliness of these processes depend on proteins? Some proteins store energy as muscle tissue.

Detailed explanation-2: -The answer is enzymes. Enzymes in our bodies are catalysts that speed up reactions by helping to lower the activation energy needed to start a reaction. Each enzyme molecule has a special place called the active site where another molecule, called the substrate, fits.

Detailed explanation-3: -Enzymes are chemical catalysts that speed up chemical reactions by lowering their activation energy. Enzymes have an active site with a unique chemical environment that fits particular chemical reactants for that enzyme, called substrates.

Detailed explanation-4: -An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell.

Detailed explanation-5: -Thousands of chemical reactions happen in every cell in your body, every second, for your cells and body to function. Cells can die if these reactions occur too slowly, so they produce enzymes to increase the speed of these reactions at body temperature.

There is 1 question to complete.