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vocab bulider 8.3 9.1 9.2
N/A
29
Biology
9th Grade
10/26/2011

Additional Biology Flashcards

 


 

Cards

Term
cyclins
Definition
the cell cycle is controlled by proteins
Term
Cancer
Definition
malignant growth caused by enviromental factors on enzymes production
Term
Malignant
Definition
refers to any growth or tumor which is cancerous
Term
Gene
Definition
is a segment of DNA that controls the production of a protein
Term
Tumors
Definition
not all tumors are cancerous. cancerous cells form masses of tissues that deprove normal cells of nutirents
Term
Metastasis
Definition
cancer cells enter the circulatory system and spreads throughout the body
Term
Autotrouphs
Definition
organisms that uses sun's energy to store energy in chemical compunds
Term
Hetertrophs
Definition
can not make their own energys compounds and must feed on  other organisms to obtain energy
Term
Adenosine Triphosphate
Definition
energy is stored in the chemical bonds of the molecule and can be used quickly and easlily by the cell
Term
Adenosine Diphosphate
Definition
when a second phosphate group is added, more energy is required to force the two groups together
Term
Adenosine Monophosphate
Definition
when only one phosphate group bonds, a small amount of energy is required and the chemical bond does not store much energy
Term
Phosphate
Definition
changed particles, and remember that particles with the same charge do not like being to close to each other
Term
Binding Site
Definition
pertaining to the area where an enzyme can attach itself to a compound
Term
Enzyme
Definition
any of various proteins originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action
Term
Photosynthesis
Definition
the process that uses the sun's energy to make simple sugars
Term
Light-Dependent reactions
Definition
convert light energy into chemical energy
Term
Light-Independent Reactions
Definition

the second phase of photosynthesis

 

does not require light

Term
Pigments
Definition
molecules that absorb specific wavelegnths of sunlight
Term
chlorophyll
Definition

most common pigment in photosystem

 

absorbs most wavelenghts of light except green

Term
Electron transport chain
Definition
a series of protein emebedded in the thylakoid membrane
Term
NADPH
Definition
does not use the energy present in the energized electrons it simply stores the energy until it can  transfer it to the stroma
Term
NADP
Definition

electron carrier molecule

Term
photolysis
Definition
to replace the lost electros, molecules of water are split in the first photosytem
Term
Calvin cycle
Definition
is a series if reactions that use carbon dioxide to from sugars
Term
Carbon Fixation
Definition

at the begining if the calvin cycle one molecule of carbon dioxide is added to one molecule of RuBp to form a six-carbon sugar

 

Term
Thylakoid
Definition
A saclike membrane that is the structural unit of the grana in the chloroplasts of plant cells
Term
stroma
Definition
The spongy, colorless framework of a red blood cell or other cell.
Term
RuBp
Definition

the starting material

Term
PGAL
Definition
is a series of reactions the sugar breaks down and is eventually converted to two three-carbon sugars
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