Bio chapter 8

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Which of the following best describes enthalpy

The heat content of a chemical system

Which of the following statements about the combustion of glucose with oxygen to form water and carbon dioxide is correct

The entropy of the products is greater than the entropy of the reactants

The process of cellular respiration, which converts simple sugars such as glucose into CO2 and water is an example of

The first second and third choices are corrext

A chemical reaction that has a positive G is correctly described as

Endergonic

Which of the following statements about equilibrium of chemical reactions is correct

A reaction that is at equilibrium is not capable of doing any work

How can one increase the rate of a chemical reaction

Add a catalyst

Sucrose is a disaccharide composed of the monosaccharides glucose and fructose. The hydrolysis of sucrose by the enzyme sucrose results in

Breaking the bond between glucose and fructose and forming new bonds from the atoms of water

Increasing the substrate concentration is an enzymatic reaction could overcome which of the following

Competitive inhibition

What term is used to describe the transfer of free energy from catabolic pathways to anabolic pathways

Energy coupling

Which of the following statements about enzymes is true

Enzymes increase the rate of a reaction

Which of the following is true of enzymes

Enzymes increase the rate of chemical reaction by lowering activation energy barriers

Energy is observed in two basic forms: potential and kinetic. Which of the following correctly matches these forms with a source of energy

The covalent bonds of a sugar molecule-- potential energy

Which of the following statements about ATP is correct

The cycling between ATP and ADP+Pi provides an energy coupling between catabolic and anabolic pathways

According to the induced fit hypothesis of enzyme catalysis, which of the following is corrext

The binding of the substrate changes the shape of the enzyme's active site

Which of the following statements is true about enzyme-catalyzed reactions

The reaction is faster than the same reaction in the absence of the enzyme

What must be the difference between the structure of ATP and the structure of the precursor of the A nucleotide in DNA and RNA

There is no difference


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