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Cell Energy Unit Test
Review
Part One - Name the scientist who might
have said the following:
1) Plants give off oxygen which can restore the
air. It can allow a candle to burn.
2) Willow trees, like other plants,
gain all their mass from water.
3) Plants convert light energy to chemical
energy.
4) Plants fix carbon dioxide in a series of reactions
that produce sugar. This series of reactions occurs
in a cycle
Part Two – Pigments and
Absorption of light energy.
1) The green pigment in the plant cells is
called_____________.
2) The other colored pigments in a plant cell are
called _______________ pigments that help the
green pigment absorb light energy.
3) Plant cell pigments involved in photosynthesis are
located in the ________________ of the chloroplast.
(stroma, or thylakoids of the grana?)
4) Colors that are ________________ are
the ones you see. (absorbed, or reflected?)
Part Three – The Equations:
Photosynthesis and Cellular Respiration
1) Name the equation as photosynthesis or cellular respiration.
(Also – Which part of the equation is made up of the reactants
and which part is made up of the products?)
2) What are enzymes & why are they needed for
photosynthesis and cellular respiration?
• They are protein catalysts. Enzymes are needed to
catalyze all reactions in both processes.
3) Plant cells can use ____________________(photosynthesis
or cellular respiration?) to convert the sun’s energy to
chemical energy. Animal cells cannot.
4) Both plant and animal cells use __________________
(photosynthesis or cellular respiration?) to produce many
ATP molecules from glucose.
5) Both photosynthesis and cellular respiration produce
_____________________(ATP molecules, or Carbon dioxide?)
6) The equations of photosynthesis and cellular
respiration are complimentary processes because the
products of one reaction are the __________________
of the other. (products or reactants?)
Part Four – Photosynthesis: The light
dependent reactions and the Calvin cycle.
During the light dependent reactions, sunlight causes
______________ (electrons or protons?) to move in the
chlorophyll molecules.
ATP and NADPH molecules are produced to transfer the energy
from sunlight to the Calvin Cycle.
Water molecules are also broken down and _____________ gas
(carbon dioxide, or oxygen?) is given off as a waste product from
the plants.
During the Calvin cycle, also known as the light independent
reactions, or dark reactions, ______________ (carbon dioxide,
or oxygen?) is fixed into sugars such as glucose.
Glucose is a (carbohydrate, or protein).
The Calvin cycle takes place in the __________________
(stroma, or the thylakoids of the grana?) of the chloroplast.
Part Five – Cellular Respiration: Glycolysis,
Krebs cycle and the Electron Transport Chain
Glucose has too much energy to be used by the cell directly.
The energy of glucose molecules must be put into
__________________. (ADP molecules or ATP molecules?)
There are three major processes that happen in plant and animal cells
to breakdown glucose and make ATP molecules.
Of these three processes, Glycolysis takes place in the cytosol of the
cytoplasm, while Krebs cycle and the Electron Transport Chain takes
place in the organelle known as the _____________________
(chloroplast, or mitochondrion?)
Oxygen is not needed during glycolysis so it is said to be
anaerobic.
A net production of____ (2, 4, 34, or 38?)
ATP molecules are produced and the end product
____________is produced (pyruvic acid or glucose?).
Oxygen is needed for cellular respiration in the mitochondrion.
This is why it is referred to as (aerobic or anaerobic?) respiration.
During the Krebs cycle ____ (2, 4, 34, or 38?) ATP molecules are produced.
During the Electron Transport Chain ____ (2, 4, 34, or 38?) ATP molecules
are produced.
The total net production of ATP molecules that results from the complete
breakdown of a glucose molecule is ____ (2, 4, 34, or 38?) ATPs.
Part Six:
The ATP Molecule diagram
(Match the following to the diagram)
____1) part of ATP that is
called adenosine
____2) part of ATP removed
to release energy
____3) phosphates left behind
when the molecule
becomes ADP
Part Seven: The chloroplast diagram
Match the following to the diagram
____1) a thylakoid
____2) stroma
____3) a stack of thylakoids
known as a granum
____4) location of the
Calvin cycle (Dark reactions)
Part Eight: The leaf diagram
Match the following to the diagram
____1) vein (xylem & phloem)
____2) palisade layer
____3) guard cell
____4) spongy layer
____5) stomate (stoma)
____6) epidermal cell
Part Nine: Functions of Leaf Structures
Match each of the following to the parts of the
leaf.
____1) opens and closes the stomata (leaf pore) a) guard cells
b) cuticle layer (cutin layer)
____2) this waxy covering helps prevent
c) vein (xylem & phloem)
water loss
d) palisade layer
____3) that move waters and sugars
through the plant
____ 4) rectangular cells with many chloroplasts
just below the upper epidermis