Answer 1-4: Question 1 0.25 pts Which of the following is the name of the monome

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Answer 1-4:

Question 1 0.25 pts Which of the following is the name of the monomer which makes up a protein? o none of the above O amino acids o nucleic acids o glucose Question 2 0.25 pts Which of the following is true about enzymes? Enzymes are highly specific. Enzyme activity can be affected by environmental factors like temperature and pH OAll of the above O Enzymes can increase the rate at which a chemical reaction occurs. Question 3 0.25 pts A buffer is... ..able to absorb excess H+ or OH-, maintaining a nearly constant pH. o.an enzyme solution that aids in digestion. ..an enzyme that can act to change pH. ...a solution that denatures an enzyme

Explanation / Answer

Question 1: Amino acids

Proteins are polymers of amino avcids.

Question 2: All of the above

An enzyme increases the rate of a chemical reaction by lowering activation energy. It is specific for a particular reaction. An enzyme works at an optimum pH and temperature above or below which it loses its activity.

Question 3: able to absorb excess H+ or OH-, maintaining a nearly constant pH.

A buffer is a solution that resists change in pH upon addition of acid or alkali.

Question 4. Hydrogen bonds

Hydrogen bonds are primarily responsible for holding the three dimensional structure of a protein.

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