Paula_metabolism2

Paula_metabolism2 - From the molecules of life, to the...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
From the molecules of life, to the simpler organisms Paula B. Matheus Carnevali Part II
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Nutrient requirements O ve r 95 %  o f c e ll dry we ig ht is  m a de  up o f: C a rb o n, o xyg e n, hydro g e n, nitro g e n, s ulfur,  pho s pho ro us , po ta s s ium , c a lc ium , m a g ne s ium ,  a nd iro n. Ele c tro n m o ve m e nt (e le c tro n tra ns po rt c ha ins ,  o xida tio n-re duc tio n re a c tio ns ) pro vide  e ne rg y fo r  us e  in wo rk, a nd a llo w m o le c ule s ’ re duc tio n  during  b io s ynthe s is
Background image of page 2
Metabolisms Autotrophs C O 2  sole or  Principal  biosynthetic Carbon source Heterotrophs Reduced, preformed, Organic molecules From other organisms C a rb o n s o urc e Ene rg y s o urc e Chemotrophs O xida tio n o f o rg a nic O r ino rg a nic c o m po unds Organotrophs O rg a nic  m o le c ule s Lithotrophs Re duc e d ino rg a nic   m o le c ule s Phototrophs Lig ht Ele c tro n s o urc e
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Major nutritional types Major nutritional types of microorganisms From Prescott et al,, 2005
Background image of page 4
What is the energy needed for? C he m ic a l wo rk invo lve s  the  s ynthe s is  o f  c o m ple x b io lo g ic a l m o le c ule s  fro m  m uc h s im ple r  pre c urs o rs , Tra ns po rt wo rk re q uire s  e ne rg y input in o rde r  to  ta ke  up nutrie nts , e lim ina te  wa s te s , a nd  m a inta in io n b a la nc e , Me c ha nic a l wo rk e ne rg y is  re q uire d to   c ha ng e  phys ic a l lo c a tio n o f o rg a nis m s , c e lls  a nd  s truc ture s  within the  c e lls .
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 24

Paula_metabolism2 - From the molecules of life, to the...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online