Glencoe Biology

Section 2: Chemical Reactions

Self-Check Quizzes

1.
What principle can be applied to all chemical reactions?
A)conservation of mass
B)reactants formed from products
C)energy loss theory
D)coefficient principle
2.
What kind of chemical reaction does this energy diagram show?
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078757134/383930/bg.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>
A)exothermic
B)endothermic
C)ionic
D)mass creating
3.
The minimum amount of energy needed for a chemical reaction is called ____.
A)product threshold
B)absorbent energy
C)principle mass
D)activation energy
4.
What is the function of the enzyme-substrate complex?
A)destroy the enzyme
B)prevent bondage at the active site
C)stop chemical reactions
D)break and forming chemical bonds
5.
How can enzymes benefit chemical reactions, as shown in this energy diagram?
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078757134/383930/ba.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>
A)lowering activation energy
B)raising activation energy
C)slowing reactions
D)increasing the amount of product
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.