Expert: Walter Hintz - 7/1/2006

Question
When yeast ferments the sugar in a bread mixture, what is produced that causes the bread dough to rise? (1 point)
carbon dioxide
water
ethyl alchohol = my answer
oxygen




Which of the following is not a part of adenosine triphosphate (1 point)
glucose = my answer
adenine
ribose
two phosphate groups




Energy is released from ATP when the bond is broken between _________. (1 point)
two phosphate groups
adenine and ribose = my answer
ribose and a phosphate group
adenine and a phosphate group




During all energy conversions, some of the energy is converted to _______________. (1 point)
carbon dioxide
water = my answer
heat
sunlight




Leaves appear green because the green portion of the light that strikes them is ________. (1 point)
changed to heat
absorbed
destroyed
reflected = my answer




In glycolysis, ________ moleculesa of ATP are used in the forst step and _________ molecules of ATP are produced in the second step. (1 point)
four, two
two, four
two, two = my answer
four, four




Which of the following transports high-energy electrons in photosynthesis? (1 point)
NADP+ = my answer
NAD+
FAD
ATP




Kidneys use energy molecules and ions in order to keep the blood chemically balanced. This process is an example of cells using energy to ________. (1 point)
carry on chemosynthesis
transmit impulses
control body temperatures
maintain homeostasis = my answer




Cells absorb energy when _________. (1 point)
The third phosphate group breaks off from the ATP molecule
they break down sucrose to glucose and fructose
a third phosphate group is bonded to an ATP molecule
ions are released into the bloodstream = my answer




Muscle cells in oxygen deprivation convert pyruvate to ____ and in this step gain ____ (1 point)
lactate, ATP = my answer
alcohol, CO2
alcohol, ATP
ATP, NAD+
lactate, NAD+




Which process in eukaryotic cells will normally proceed whether oxygen is present or absent? (1 point)
electron transport
glycolysis = my answer
Krebs cycle
oxidative phosphorylation




Which of ther following equations best describes photosynthesis? (1 point)
C+ O2+ H2O ---> CO2+ HOH
6CO2 + 6H2O ---> C6H12O6+ 6O2
6C+ 6H2O ---> C6H12O6 = my answer
C6H12O2 ---> 9CO2 +6H2O




Four molecules of glucose would give a net yield of ____ ATP following glycolysis. (1 point)
8
16
4 = my answer
12




Which of the following statements is true of fermentation? (1 point)
it produces a net gain of ATP
it produces a net loss of ATP
it is an aerobic process
it is performed only by bacteria
it produces more energy per glucose than does aerobic respiration = my answer




In respiration, the final electron acceptor in the electron transport chain is _________. (1 point)
oxygen
ATP
hydrogen ions = my answer
H2O




Which sugar is part of adenosine diphosphate? (1 point)
adenine
ribose
glucose = my answer
glycogen




What is the first process in the cell to be affected by anaerobic conditions? (1 point)
citric acid cycle
fermentation = my answer
glycolysis
electron transport chain




The energy trapping molecule in plants is ________. (1 point)
chloroplast
chlorophyll = my answer
stroma
carotinoids




In the complete process of photosynthesis, the _________. (1 point)
Calin cycle yeilds CO2
light reactions release oxygen
Calvin cycle breaks down H2O
Light reactions produce NADP+ and NADPH+H+ = my answer




______________ processes require oxygen, whereas _____________ processes do not. (1 point)
anaerobic--aerobic
aerobic--anaerobic = my answer
photolysis--aerobic
aerobic--respiration




Energy from the sun is trapped by chlorophyll located in the _________. (1 point)
citric acid cycle
mitochondria = my answer
electron transport chain
thylakoid membranes




Which of the following is a product of the Calvin cycle? (1 point)
carbon dioxide
NADP+ = my answer
oxygen
FADH2




Which molecule provides the most accessible source of energy for cell organelles? (1 point)
glucose
ATP
starch
carbon dioxide= my answer




Organisms need a way to store energy because ________. (1 point)
A cell can not always immediatly use all the energy it gets = my answer
An organism often has times when no energy is used
A cell can release only stored energy
A cell can not create energy and must get it from elsewhere in the organism




In order to move molecules in your kidneys, your body needs ________. (1 point)
energy = my answer
sunlight
cold
heat  

Answer
Good for you. Since you did not number them I just went in order
1. CO2
2.correct
3.two pO4s
4. Heat
5.correct
6.correct
7. correct
8.correct
9.3rd PO4 breaks off
10.lactate and NAD+
11. correct
12.6CO2 + 6H2O = C6H12O6  +  6O2
13.8
14. net gain of ATP
15. correct
16.ribose
17. correct
18. correct
19.Calvin cycle yeilds CO2
20.correct
21. thylakoid membranes
22. CO2
23. ATP
24. correct
25.correct

You got 12 correct.  If you do not understand those you missed let me know.  This is the way I do this.  Just answering all of the questions for you is doing you a disservice.
I find it strange that you have to get this deep into cellular metabolism to earn a high school diploma.