Cell Respiration
1. How do cells obtain energy
for their functioning?
2. What is the compound that
is phosphorylated for ATP
formation? What is the
resulting compound when ATP
liberates energy?
3. What are the types of cell
respiration?
4. Under which conditions do
aerobic cells carry out
fermentation?
5. What isthe difference
between aerobic and
anaerobic beings?
6. What isthe difference
between facultative anaerobic
beings and obligate anaerobic
beings?
7. What are the two types of
fermentation? What are their
chemical equations?
8. In general what are the
reagents and products of
fermentation?
9. Why in cake and bread
manufacture are alcoholic
fermenting organisms used
and not lactic fermenting
organisms?
10.To what substance is the
acidic flavour of fermented milk
due?
11. How can the knowledge
about fermentation explain
the origin of muscle cramps
and pains after intense
physical exertion?
12. How many ATP molecules
are produced for each glucose
molecule used in
fermentation? How many ATP
molecules are produced for
each glucose molecule used in
aerobic respiration?
13. Which is the cell organelle
tha tis specialized in aerobic
respiration?
14. Of which main compounds
is the mitochondrion structure
made?
15. What are the three phases
into which the cell respiration
is divided?
16. What is glycolysis? What
are the products of this
process?
17. Does glycolysis occur
within the mitochondria?
18. How many ATP molecules
are made after glycolysis?
19. What is NAD? What is the
role of the NAD molecule in
glycolysis?
20. What happens during
aerobic respiration to the
pyruvic acid molecules made
by glycolysis? What is the
sequence of reactions that
then follows?
21. What is the official name
of pyruvic acid?
22. Why can it be said that
each glucose molecule runs
the Krebs cycle twice?
23. Why is the Krebs cycle
also called the final common
pathway of the degradation of
organic compounds?
24. What are the final
energetic products of each
round of the Krebs cycle?
Where is most part of the utile
energy at the end of Krebs
cycle found?
25. How many carbon dioxide
molecules are liberated after
each cycle of the Krebs cycle?
For a single glucose how many
carbon dioxide molecules
were already liberated by the
aerobic respiration at that
point?
26. Where in mitochondria
does the process called
respiratory chain occur?
Which are the products of the
Krebs cycle used in that final
phase of the aerobic
respiration?
27. What are cytochromes?
28. How in the respiratory
chain do electrons from FADH2
and NADH2 passing through
cytochromes liberate energy
for the ATP synthesis? What is
this ATP synthesis called?
29. Until the Krebs cycle,
aerobic respiration can be
described without mentioning
oxygen, the chemical element
after which the reaction gets
its name. Where in the
process does this chemical
element take part? What is its
importance?
30. How does the poison
cyanide act upon the aerobic
respiration?
31. What is anoxia?
32. How many ATP molecules
are made after the aerobic
respiration and what is the net
energetic gain of the process?
33. What is the general
equation of the aerobic
respiration (also representing
ADP and phosphate)?
34. Why can the consumption
of molecular oxygen indicate
the metabolic rate of aerobic
organisms?