Photosynthesis/Cellular Respiration

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EHS Pre-AP Biology [Mrs.McInnis]

cells cannot always immediately use all the energy it gets

organisms need a way of storing energy because _______

2 ; 4

in glycolysis, ___ molecules of ATP are used in the 1st step, and ___ molecules of ATP are produced in the second step.

oxygen

in respiration, the final electron acceptor in the electron transport chain is _______

6CO2+6H2O--->C6H12O6+6O2

chemical equation to represent photosynthesis

reflected

leaves appear green because the green portion of the light that strikes them is ________

photosynthesis

the energy in glucose CANNOT be released by __________

green plant

name an example of an organism that is MOST likely to be directly dependent on the sun as an energy source.

energy

chlorophyll traps ______ from sunlight

C6H12O6+6O2--->6CO2+6H2O

chemical equation for cellular respiration

lose of water as water vapor from the leaves of plant

describe transpiration

CO2↑ O2↓

without photosynthesis, what would probably happen to the levels of CO2 and O2 in Earth's atmosphere?

light

energy used in photosynthesis is obtained from

oxygen

which product of photosynthesis is released into the air?

glucose

the main carbohydrate and monosaccharide (sugar) made by plants is ________

O2, ATP, H ions

what is produced during the light reaction?

carbon fixation

the 1st part of the Calvin-Benson cycle involves what process?

stroma

the Calvin-Benson cycle reaction takes place in the _______

chlorophyll ; light

in addition to raw materials needed for photosynthesis, a plant must also have ________ and ________

glucose ; oxygen

the end products of photosynthesis are ______ and ______

sugar

chlorophyll is the green material in plant cells which enables the plant to make _______

dark(light-independent)

the Calvin-Benson cycle includes _________ reactions.

stroma

the liquid within the chloroplast is called ________

thylakoid membrane

energy from sunlight is trapped by chlorophyll located in the ____________

thylakoid membrane

the light reaction takes place in the ___________

oxygen

what is not needed for the Calvin-Benson cycle to occur?

sugars

the overall effect of the Calvin-Benson cycle is that CO2 combines with hydrogen to form _______

photosynthesis

energy from the sun is converted to chemical energy through the process of __________

water

the source of oxygen produced during photosynthesis is ______

2

how many molecules of the 3-carbon sugar PGA are formed?

green

chlorophyll is the primary pigment in plant chloroplasts, it absorbs all wavelengths of light EXCEPT _______

water

the molecule that splits in the light reaction is _______

chloroplast

the organelle that is the site of photosynthesis is the ________

red

the part of the visible spectrum that has the longest wavelength but yields the least amount of energy is ______

Calvin-Benson cycle

the dark reactions are also called the _______________

ATP

the major energy storing molecule in cells is called ______

anthocyanin

the red-purple pigment found in plants is _________

photolysis

the splitting of water during photosynthesis is called ________

chemosynthesis

the process by which organisms obtain energy from inorganic compounds instead of from light is called __________

electron transport chain

the passing of electrons along a series of molecules, releasing energy as they go, is the ______________

CO2, sunlight, H2O, chlorophyll

photosynthesis requires the presence of what components?

light ; chemical

the process of photosynthesis is an example of plants taking in _____ energy and converting it into ______ energy.

transpiration

90% of the water plants take in from their roots is lost through the leaves by _________

regulate the opening and closing of the stroma

what is the function of the guard cells?

xylem

the vascular tissue that carries water and minerals up from the roots through a plant is the _______

electron transport chain

which process produces the most ATP molecules per glucose molecule consumed?

break down of carbohydrates to provide energy for the cell

the purpose of cellular respiration is to __________________

2 ; 2

the NET result of glycolysis is ___ ATP and ___ NADH produced .

2

in the course of the Kreb's Cycle, how many molecules of ATP are produced?

glycolysis

the process by which glucose is split into pyruvate is _______

fermentation

the process that makes a small amount of ATP and produces lactic acid is called __________

cytoplasm

glycolysis occurs in the ________ of the cell.

Citric Acid Cycle

the Kreb's Cycle is also known as __________

lactic acids

muscle fatigue is caused when the process of fermentation produces _________

2

for each molecule of glucose broken down, the Kreb's cycle must take ___ complete turns.

CAM Pathway

the photosynthesis process used by some plants to survive in a hot dry climate, like the desert is _________

only 1 photosynthesis is used in cyclic process

what is the main difference between cyclic and noncyclic photophosphorylation?

rebisco

carbon fixation is catalyzed by which enzyme?

ATP, NADPH, CO2

the Calvin-Benson cycle requires the input of what components?

excited electrons are passed to electron acceptors

in the light-dependent reactions, when light strikes the pigments (chlorophyll), what is the immediate result?

anaerobic

bacteria and yeast cells get their energy from a phase of respiration that does not require oxygen, what is this phase called?

ethyl

in alcoholic fermentation, pyruvate is broken down into ______

mitochondria

the molecules in the electron transport chain are located on the inner membranes of the __________

oxygen

aerobic respiration requires ______

dark reaction

PGAL is formed

light reaction

chlorophyll in involved

dark reaction

PGA is formed

dark reaction

carbohydrates are formed

light reaction

sunlight energy is used

light reaction

ATP is formed

dark reaction

ATP is used

dark reaction

water is released

light reaction

water is used

dark reaction

carbon dioxide is used

be able to label a chloroplast

outer membrane, inner membrane, stroma, thylakoid, granum

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