BIOLOGY 109 CHAPTER 6 EXAM
QUESTIONS AND ANSWERS
Oxydation-reduction (redox) reaction - ANSWER-movement of electrons from one
molecule to another
What is the short name for an oxidation-reduction reaction? - ANSWER-redox
In living organisms, oxidation and reduction reactions typically happen _____. -
ANSWER-together
Oxidation - ANSWER-loss of electrons
A molecule is _____ when it loses one or more electrons. - ANSWER-oxidized
A molecule is oxidized when it loses one or more ______. - ANSWER-electrons
A molecule is oxidized when it _____ one or more electrons. - ANSWER-loses
Reduction - ANSWER-addition of electrons
A molecule is _____ when it gains one or more electrons. - ANSWER-reduced
A molecule is reduced when it gains one or more _____. - ANSWER-electrons
A molecule is reduced when it ______ one or more electrons. - ANSWER-gains
What is the atomic number of a hydrogen atom? - ANSWER-1
In terms of chemistry and in terms of cellular respiration, an oxidized hydrogren ion
(H+) is equal to ______. - ANSWER-1 proton
In chemistry and cellular respiration , H+ is also seen as 1 _______. - ANSWER-
proton
1 proton is the same thing as 1 hydrogren ______. - ANSWER-ion
When talking about the movement of protons, we are actually talking about the
movement of ________. - ANSWER-hydrogen ions (H+)
In cellular respiration, glucose ____ hydrogan atoms, and becomes ______ to CO2 -
ANSWER-loses, oxidized
In cellular respiration, oxygen ____ hydrogen atoms , and becomes ______ to H2O.
- ANSWER-gains, reduced
, Formula for cellular respiration - ANSWER-C6H12O6 + 6O2 ----> 6CO2 + 6H2O +
ATP (+ heat as a biproduct)
Enzymes - ANSWER-proteins that catalyze chemical reactions
______ are necessary to oxidize glucose and other organic molecules. - ANSWER-
enzymes
Coenzymes - ANSWER-organic molecules that assist enzymes
Coenzymes are a type of _______. - ANSWER-cofactor
Coenxymes act as H (or electron) ______ in cellular respiration. - ANSWER-
acceptors
NAD+ is a type of ______. - ANSWER-coenzyme
When NAD+ accepts electrons in cellular respiration, it becomes _____ to ______. -
ANSWER-reduced, NADH
What are two important coenzymes in cellular respiration? - ANSWER-NAD+ and
FAD-
When FAD- accepts electrons in cellular respiration, it becomes _____ to _____. -
ANSWER-reduced, FADH2
FAD- and NAD+ are derived from _______ vitamins - ANSWER-B
FAD comes from what type of B vitamin? - ANSWER-riboflavin
Coenzymes are not ______. - ANSWER-proteins.
What are the only two organelles that possess their own DNA? - ANSWER-
mitochondria and chloroplasts
Glycolysis occurs in the _______. - ANSWER-cytoplasm
is glycolysis an aerobic or an anaerobic process? - ANSWER-anaerobic
What are the reactants of photosynthesis? - ANSWER-water and carbon dioxide
What are the products of photosynthesis? - ANSWER-glucose and oxygen
What are the reactants of cellular respiration? - ANSWER-glucose and oxygen
What are the products of cellular respiration? - ANSWER-water and carbon dioxide
(and ATP)
Is cellular respiration an aerobic or anaerobic process? - ANSWER-aerobic
QUESTIONS AND ANSWERS
Oxydation-reduction (redox) reaction - ANSWER-movement of electrons from one
molecule to another
What is the short name for an oxidation-reduction reaction? - ANSWER-redox
In living organisms, oxidation and reduction reactions typically happen _____. -
ANSWER-together
Oxidation - ANSWER-loss of electrons
A molecule is _____ when it loses one or more electrons. - ANSWER-oxidized
A molecule is oxidized when it loses one or more ______. - ANSWER-electrons
A molecule is oxidized when it _____ one or more electrons. - ANSWER-loses
Reduction - ANSWER-addition of electrons
A molecule is _____ when it gains one or more electrons. - ANSWER-reduced
A molecule is reduced when it gains one or more _____. - ANSWER-electrons
A molecule is reduced when it ______ one or more electrons. - ANSWER-gains
What is the atomic number of a hydrogen atom? - ANSWER-1
In terms of chemistry and in terms of cellular respiration, an oxidized hydrogren ion
(H+) is equal to ______. - ANSWER-1 proton
In chemistry and cellular respiration , H+ is also seen as 1 _______. - ANSWER-
proton
1 proton is the same thing as 1 hydrogren ______. - ANSWER-ion
When talking about the movement of protons, we are actually talking about the
movement of ________. - ANSWER-hydrogen ions (H+)
In cellular respiration, glucose ____ hydrogan atoms, and becomes ______ to CO2 -
ANSWER-loses, oxidized
In cellular respiration, oxygen ____ hydrogen atoms , and becomes ______ to H2O.
- ANSWER-gains, reduced
, Formula for cellular respiration - ANSWER-C6H12O6 + 6O2 ----> 6CO2 + 6H2O +
ATP (+ heat as a biproduct)
Enzymes - ANSWER-proteins that catalyze chemical reactions
______ are necessary to oxidize glucose and other organic molecules. - ANSWER-
enzymes
Coenzymes - ANSWER-organic molecules that assist enzymes
Coenzymes are a type of _______. - ANSWER-cofactor
Coenxymes act as H (or electron) ______ in cellular respiration. - ANSWER-
acceptors
NAD+ is a type of ______. - ANSWER-coenzyme
When NAD+ accepts electrons in cellular respiration, it becomes _____ to ______. -
ANSWER-reduced, NADH
What are two important coenzymes in cellular respiration? - ANSWER-NAD+ and
FAD-
When FAD- accepts electrons in cellular respiration, it becomes _____ to _____. -
ANSWER-reduced, FADH2
FAD- and NAD+ are derived from _______ vitamins - ANSWER-B
FAD comes from what type of B vitamin? - ANSWER-riboflavin
Coenzymes are not ______. - ANSWER-proteins.
What are the only two organelles that possess their own DNA? - ANSWER-
mitochondria and chloroplasts
Glycolysis occurs in the _______. - ANSWER-cytoplasm
is glycolysis an aerobic or an anaerobic process? - ANSWER-anaerobic
What are the reactants of photosynthesis? - ANSWER-water and carbon dioxide
What are the products of photosynthesis? - ANSWER-glucose and oxygen
What are the reactants of cellular respiration? - ANSWER-glucose and oxygen
What are the products of cellular respiration? - ANSWER-water and carbon dioxide
(and ATP)
Is cellular respiration an aerobic or anaerobic process? - ANSWER-aerobic
