Shared Flashcard Set

Details

Missing Flashcard from CH. 10
Catabolism
21
Biology
Undergraduate 3
03/05/2011

Additional Biology Flashcards

 


 

Cards

Term
How are proteins catabolized?
Definition
  • Hydrolyzed by proteases into polypeptides and amino acids
Term
ONCE proteins are hydrolyzed into polypep and AA, what happens?
Definition
  • Amino Acids undergo demamination to produce pyruate molecules.
Term
Once Amino Acids undergo demamination to produce pyruate molecules what happens?
Definition
Pyruvate can enter the transition step, then proceed to the TCA
Term
Terminal electron acceptor of ATP prod. in chemolithoautotrophs
Definition
  • Most often O2 but can also be SO42- or NO3- or H2
  • The last three substances are alternative substrates
Term
ATP production in chemolithoautotrophs
Definition
  • Electrons for ETC are obtained from inorganic compounds instead of organics
Term
Comparison of Chemolitho to Chemoauto
Definition
  • Much less NADH produced by Chemolitho
  • Much less ATP producedby ChemolithO
  • Takes much longer time to generate enough Proton Motive force to drive ATP synthesis and much longer generation times than chemoorganotrophs
Term
Chemolithotrophs
Definition
  • H2 gas oxidizers
  • Nitrifying bacteria
  • Sulfur oxidizers
Term
ATP production in photoautotrophs
Definition
  • Produced during light-dependent reaction of photosynthesis
Term

ATP production in photoautotrophs 2

 

Definition
  • Biosynthesis (or carbon fixation) occurs during the light-independent reactions
  • The light independent- dark reactions
Term
Where are light harvesting pigments found?
Definition
  • Cyanobacteria: chlorophyll A
  • Green Bacteria and Purple sulfur and nonsulfur bacteria: bacteriachlorophyll
Term
chlorophyll A
Definition
cyanobacteria
Term
Bacteriochlorophyll
Definition
Green Bacteria and Purple Sulfur and nonsulfur bacteria
Term
Primary Pigments
Definition
  • Chlorophyll a;identical to eukaryotes
  • Bacteriochlorophyll-high similarity to eukaryotice chlorophyll a and b; green pigment
Term
Accessory Pigments
Definition
  • Phycobiliproteins
Term
Types of phycobiliportiens
Definition
  • Phycoerythrin-red pigment
  • Phycocyanin-blue pigments
Term
Cyanobacterial Photosynthesis 1:
Definition
Have 2 photosystems like eukaryotes: cyclic and noncyclic=ETC
Term
Cyanobacterial Photosynthesis 2:
Definition
  • Initial electrons come from chlorophyll a molecules excited by light
Term
Cyanobacterial Photosynthesis 3
Definition
PMF+ATP synthase=photophosphorylation of ADP--> ATP
Term
Cyanobacterial Photosynthesis 4
Definition
H20 used as terminal electron acceptor= oxygenic photophosporylation
Term
Anoxygenic photosynthesis
Definition
Purple and green bacteria
Supporting users have an ad free experience!