Energy in a Cell

ATP, Photosynthesis, and Respiration
STUDY
PLAY
What are the reactants of photosynthesis?
carbon dioxide, water, and light
What are the products of photosynthesis?
glucose and oxygen
Where does photosynthesis occur?
chloroplasts inside the leaves
What are the steps of photosynthesis?
Light Dependent Reaction and Light Independent Reaction (Calvin Cycle)
How does an ATP molecule release energy?
The bond breaks and a phosphate is released?
When ATP releases it's third phosphate, what molecule does it become?
ADP
The main energy trapping molecule in photosynthesis is _____.
chlorophyll
Chlorophyll traps _____ from sunlight.
energy
Plants store energy as _____.
carbohydrates
Organisms that make their own food are called _____.
autotrophs
Energy storing molecule?
ATP
Process of photosynthesis that doesn't require light?
light independent reaction (Calvin cycle)
Where is chlorophyll found in the chloroplasts?
thylakoids
The fluid surrounding the grana in chloroplasts is ___.
stroma
photo-
light
synthesis means ___
to put together
chloro-
green
-phyll
leaf
in-
not
The two molecules that carry energy to the light independent reactions are ___ and ____.
ATP and NADPH
What process occurs in the mitochondria?
Cellular Respiration
Process that requires oxygen?
aerobic
Process that doesn't require oxygen?
anaerobic
The anaerobic process of splitting glucose to form two pyruvic acids?
glycolysis
What organisms do alcoholic fermentation?
yeast and bacteria
What organisms do lactic acid fermentation?
animals
What are the products of alcoholic fermentation?
ethyl alcohol and carbon dioxide
What are the products of lactic acid fermentation?
lactic acid, water, carbon dioxide
What are the products of cellular respiration?
ATP, water, and carbon dioxide
What are the three steps of cellular respiration?
Glycolysis, Kreb's Cycle, and Electron Transport Chain
How many ATP does one molecule of glucose yield?
36
Does cellular respiration require oxygen?
yes
What process breaks down sugars to make ATP?
cellular respiration
What process uses ATP to make sugars?
photosynthesis
What are the reactants of cellular respiration?
oxygen and glucose
glyco-
sweet
-lysis
to loosen or break
Why do some cells have more mitochondria than others?
because they are more active and require more energy
Why is cellular respiration an aerobic process?
it requires oxygen
What are the folds inside the mitochondria called?
cristae
What macromolecule made by plants is "burned" in the mitochondria?
glucose
When yeast ferments the sugar in bread mixture, what is produced that causes the bread to rise?
carbon dioxide
Why do organisms need a way of storing energy?
because a cell can't always immediately use all the energy it gets
where is energy stored in ATP
bonds