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they speed up metabolic rxn w/o becoming part of the prodcut or being used up in the process
catalysts
building of complex chemicals from simpler one
anabolism
breaking down of complex chemicals into simpler ones
catabolism
enzymes are
proteins
it binds to the protein component of the enzyme
substrate
an enzyme that has lost its proper shape and catalytic nature
denatured
factor that influence enzyem action
temperature
pH
specificity of the enzyme
relative concentration of enzyme and substrates
presence of heavy metal ions
cofactors
a digestive enzyme that cleaves starch into molecule of the disaccharide maltose
amylase
what molecule does amylase make from starch?
disaccharide maltose
What is used to detect starch?
iodine
what is it called when the temperature is so high the enzyme becomes inactive?
dnaturation point
the degradation of a large, often insoluble molecule into components that can enter into respiration or be reassembled into other compounds
digestion
what does complex carbohydrates yield when digested?
sugars
what does proteins yield when digested?
amino acids
what does lipids yield when digested?
fatty acids and glycerol
what does starch yield when digested?
maltose
What test detects maltose and glucose?
benedicts test
the cellular processes that release energy from a food source such as glucose
respiration
the removal of hydrogens from glucose is
oxidization
what plays a large part in determining how much of the food's energy is trasferred to ATP?
the recipient of electrons
the electron transfers that yield most of the energy captured in ATP occur in the
cristae of the mitochondria
what is the process that plants carry out in the absence of molecular oxygen?
Fermentation
whats the common end product of fermentation in plants?
ethanol
the potential ATP yield of respiration is almost ___ times greater when oxygen is present
20
the experiment with 5 bottles that removed air and showed that germination forms Barium Carbonate
respiration-train
heat is released during all respiration and represent food energy that is not captured by
ATP
what did the fermentation tubes contain
syrup and water
yeast and syrup and water
most living organisms function either as_____or_____
primary producers
consumers
plants that are green and can make their own food
producers
an organism that makes its own food is known as
an autotroph (self-feeder)
an organism that that consumes others food
heterotrophs
chloroplasts location
cytoplasm, but outside the vauole
have well developed thylakoid membrane system and contain chlorophyll
chloroplast
where does the absorption of light and energy transfer in the chloroplast?
grana
where does the incorporation of electrons into ATP and NADPH+H+ occur?
grana of chloroplast
where does the synthesis of sugars and amino acids occur?
chloroplast stroma
functions of photosyntesis products
* power the plants activites
* produce cell structure
* be exported to other parts of the plant
* stored in place for reuse later
the name of the process of keeping seeds growing in an environment without oxygen
negative control
what was used to test for enzyme activity's and digestion?
iodine
starch solution
what was used to test respiration?
Barium Hydroxide solution
What was used to test for fermentation?
syrup water
yeast
What can you seperate on paper chromatography?
chlorophyll a and b
carotene
xanthophyll
an instrument containing a prism that separates wite light into the component colors
spectroscope
What determines the percent transmission of light by a pigment chosen from those used before
spectrophotometer
what do dark zones represent in the spectroscope?
light absorption by the pigments
refers to the light that passes through a sample because it is not absorbed by the pigment
transmission
the light that the pigment takes up
absorbance
what machine is used to measure light transmission and absorption?
spectrophotometer
what is the dim light you see coming from the tube?
chlorophyll as a consepence of absorbing the light from the lamp
chlorophyll electrons are put into an excited condition by the absorption of
light energy
what is released from the test tube of chlorophyll in the form of light
excess energy from electrons having no place to go
a polymer consisting of many flucose units
starch
What are the key events of photosynthesis
the trapping of the light energy by pigments
transfer to ATP and NADPH
fixing of CO2
what is an important side rxn of photosynthesis?
photolysis
the breakdown of water to form protons, electrons and O2
photolysis
plants that make fod solely by the Calvin Cycle are known as
C3 plants
the first stable compound formed in the Calvin Cycle is
tree-carbon compound called PGA
In the Calvin Cycle carbon dioxide is essentially directly incorporated into
food
What takes place in the stroma of C3 plants?
sugar producing reactions
What takes place in the grana of C3 plants?
photoreactions
What reduces the food making efficiency of C3 plants?
photorespiration
When oxygen competes with CO2 in the food making reactions
photorespiration
when is photorespiration high?
when the stomates are closed
the sheath of cells around the vascular bundle that looks differnt than the other mesophyll cells
Kranz anatomy in the C4 plant
Whats used to generate CO2 in water?
NaHCO3 break down
Author
lacythecoolest
ID
140697
Card Set
bio 130
Description
bio 130 lab exam material
Updated
2012-03-09T19:35:49Z
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