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Biology Chapter 4 Vocabulary
vocabulary review
57
Biology
9th Grade
11/22/2016

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Term
Chloroplast
Definition
an organelle common in plants and algae that converts sunlight, carbon dioxide and water into sugars during the process of photosynthesis, contains chlorophyll
Term
heterotroph
Definition
an organism that cannot make its own food, obtains energy and nutrients by ingesting other organisms
Term
omnivore
Definition
a consumer that eats both producers and other consumers
Term
producer
Definition
an autotroph that provides food for a community
Term
ribose
Definition
The sugar component of ATP
Term
mitochondria
Definition
an organelle that changes energy found in food compounds into energy or ATP necessary to power the cell's functions, site of cellular respiration
Term
ATP
Definition
An energy storing molecule used by organelles
Term
ADP
Definition
A form of energy but not much
Term
Herbivore
Definition
a consumer that eats only plants
Term
decomposer
Definition
an organism that breaks down dead organic materials into food
Term
consumers
Definition
a heterotroph
Term
glucose
Definition
a sugar produced by the foods you eat
Term
Autotroph
Definition
an organism that produces its own food from inorganic compounds and sunlight
Term
carnivore
Definition
an animal that eats only other animals
Term
ADP
Definition
A low source of energy, missing a phosphate
Term
Adenosine
Definition
Ribose + adenine = _________
Term
Sunlight
Definition
produced by the sun
Term
pigment
Definition
a molecule that absorbs certain wavelengths of light and reflets or transmits others
Term
anthocyanin
Definition
purple or red pigments
Term
cuticle
Definition
the waxy part of a leaf, produced by the epidermis
Term
guard cells
Definition
located at the sides of the stomata
Term
phloem
Definition
the vascular tissue that transports sugars and nutrients upward and downward in a plant
Term
cellulose
Definition
organic compound made of long fibers or chains of glucose molecules, an important structural component of plant cell walls
Term
tannic acid
Definition
produced by the leaf so the leaf falls off the branch
Term
palisade mesophyll
Definition
the major site of photosynthesis
Term
epidermis
Definition
the outer layer of skin that covers the leaf, protects the interior of the leaf
Term
chromatography
Definition
separating out pigments by weight
Term
chlorophyll
Definition
an important grop of pigments in plants, used for photosynthesis
Term
granum
Definition
disc shaped structures inside the chloroplast
Term
xanthophyll
Definition
light yellow pigment
Term
spongy mesophyll
Definition
site where some chloroplasts are found, gases are exchanged in the leaf here too
Term
xylem
Definition
the vasculer tissue that carries water and dissolved minerals from the roots to the leaves in the plant
Term
photosynthesis
Definition
the process by which autotrophs convert sunlight into a usable form of energy
Term
calvin cycle
Definition
the process that uses ATP to construct carbohydrates from carbon dioxide, the second stage of photosythesis
Term
Thylakoids
Definition
an individual disc shaped structure within the chloroplast, contains chlorophyll and all other pigments
Term
carotene
Definition
an orange pigment
Term
glucose
Definition
the sugar produced in photosynthesis
Term
stomata
Definition
the opening between guard cells where gases are exchanged
Term
ROY G BIV
Definition
Colors of white light - please give longest to shortest wavelength
Term
Light independent reactions
Definition
reaction that occurs in the dark, dark reaction of photsynthesis
Term
light dependent reaction
Definition
reaction that requires light to occur, light reaction of phosynthesis
Term
stroma
Definition
site where in photosynthesis the light independent reaction reaction (dark reaction) occurs
Term
by product
Definition
what is produced as the result of something else
Term
cellular respiration
Definition
The process by which food molecules are broken down to release energy, aerobic process (with oxygen)
Term
aerobic
Definition
with oxygen
Term
pyruvic acid
Definition
the output of glycolysis
Term
alcohol fermentation
Definition
a type of anaerobic respiration that converts pyruvic acid into carbon dioxide and ethanol (alcohol)
Term
product
Definition
what is produced in a reaction
Term
glycolysis
Definition
the process converting glucose to pyruvate, releases energy that can be stored as ATP, anaerobic process
Term
anaerobic
Definition
without oxygen
Term
calvin cycle
Definition
the process that uses ATP to construct carbohydrates from carbon dioxide, the second stage of photosynthesis
Term
Krebs cycle
Definition
another name for Citric acid cycle
Term
Krebs cycle
Definition
a series of oxidation reactions that break down pyruvic acid, comes after glycolysis, second stage of cellular respiration
Term
2 ATP
Definition
Number of ATP's required to perform glycolysis
Term
cytoplasm
Definition
a jelly like substance made up primarily of water and the organelles suspended in it, the center for most of the cell's metabolic activity
Term
lactic acid
Definition
a type of anaerobic respiration that occurs in humans
Term
reactant
Definition
a substance that enters into a chemical reaction
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