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Test 2
1406 wollslager
35
Biology
Undergraduate 1
06/17/2012

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Term
microfilaments
Definition
two strains of actin, maintains cell shape, muscle contractions, motility and division, cytoplasmic streaming
Term
microtubules
Definition
hollow tules of tubulin, maintains cells shape, chromosome movements and organelle movements
Term
intermediate filaments
Definition
coiled fibrous proteins, keratin, anchors nucleus and other organelles, formation of nuclear lamina
Term
extracellular matrix
Definition
Term
turgid
Definition
Term
flacis
Definition
Term
plasmolysis
Definition
Term
enzyme active sites
Definition
Term
enzyme substrate specificity
Definition
Term
enzyme effects of temperature and pH
Definition
Term
cofactors and enzyme inhibitors
Definition
Term
allosteric regulation of enzymes
Definition
Term
feedback inhibition of enzymes
Definition
Term
location of enzymes in organelles
Definition
Term
glycolysis
Definition
takes place in the cytosol, energy investment phase where 2 ATP's are used, energy payoff phase where 4 ATP molecules are made, also produces 2 pyruvate 2 water molecules and 2NADH
Term
citric acid cycle
Definition
takes place in the mitochondrion, for each glucose molecule 8 NADH, 6 CO2 and 2 FADH2 molecules are made
Term
oxidative phosphorylation
Definition
takes place in the mitochondrial membrane, enzymes embedded in inner mitochondrial membrane, converts rest of NADH and FADH to ATP, pumps H to mitochondrial inter membrane space, can make up to 34 molecules of ATP
Term
obligate vs. facultative anaerobes
Definition
Term
anaerobic respiration
Definition
like aerobic but with something other than oxygen as the final electron receptor
Term
fermentation
Definition
glycoloysis still starts, but then pyruvate takes a different path
Term
alcohol fermentation
Definition
generates ethanol and carbon dioxide which is performed by yeast
Term
lactic acid fermentation
Definition
generates lactate, done by bacteria and muscle cells
Term
how many ATP molecules do you get from one molecule of glucose in fermentation vs. aerobic respiration?
Definition
Term
other metabolic pathways to break down things besides glucose
Definition
proteins are broken down to amino acids and then can feed into glycolosis and citric acid cycle, fats are broken down into glycerol and fatty acids, glycerol can feed into glycolosis and fatty acids can be converted into acetyl CoA for the citric acid cycle, regulation of cellular respiration via feedback mechanisms
Term
mesophyll
Definition
tissue inside the leaf that contains most of the chloroplasts
Term
stomata
Definition
pores of the leaf that let carbon dioxide in and water and oxygen out; cells on the sides of the stomata can open and close them
Term
stroma
Definition
fluid within the chloroplasts
Term
thylakoids
Definition
membranous sacs inside the chloroplast
Term
grana
Definition
stacks of thylakoids
Term
light reactions
Definition
converts solar energy to chemical energy, oxygen is given off as a byproduct, water is split and energy transferred to NADP+, and ATP is generated, happens in thylakoids of chloroplasts
Term
calvin cycle
Definition
CO2 is made into organic molecules (carbon fixation) NADPH and ATP from the light reactions are used as an edgy source, happens in the stroma of the chloroplasts
Term
photosystem I
Definition
Term
photosystem II
Definition
Term
C4 photosynthesis
Definition
Term
CAM photosynthesis
Definition
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