An in depth summary of all the BCM 257 content you will need to know. This includes information from lecture slides, textbooks, as well as lectures. This study material can be used solely to study from and from this you can get a distinction.
‐ A high degree of complexity and organisation
‐ The extraction, transformation, and systematic use of energy to create and maintain
structures and to do work
‐ The interactions of individual components being dynamic and co-ordinated
The ability to sense and respond to changes in surroundings
A capacity for fairly precise self-replication while allowing enough change for evolution
CELL: THE UNIVERSAL BUILDING BLOCK
‐ Living organisms are made of cells
‐ The simplest living organisms are unicellular (single-celled)
‐ Larger organisms are multicellular (many-celled), with different functions for different cells
‐ Cells have some common features but can contain unique components for different
organism
LIVING SYSTEMS EXTRACT ENERGY
‐ From sunlight
• Plants
• Green bacteria
• Cyanobacteria
‐ From fuels
• Animals
• Most bacteria
‐ Energy input is needed in order maintain life
, CIS VS. TRANS
ENANTIOMERS AND DIASTEREOMERS
, INTERACTIONS BETWEEN BIOMOLECULES ARE SPECIFIC
‐ Macromolecules fold into 3D structures with unique binding pockets
‐ Only certain molecules fit in well and can bind
‐ Binding of chiral biomolecules is stereospecific
, ORGANISMS PERFORM ENERGY TRANSDUCTIONS TO ACCOMPLISH WORK TO
STAY ALIVE
‐ Living organisms exist in a dynamic steady state and are never at equilibrium with their
surroundings
‐ Energy coupling allows living organisms to transform matter into energy
‐ Biological catalysts reduce energy requirement for reactions while offering specificity
‐ As the entropy of the universe increase, creating and maintaining order requires work and
energy
HOW TO SPEED REACTIONS UP
‐ Higher temperatures
• Stability of macromolecules is limiting
‐ Higher concentration of reactants
• Costly, as more valuable starting material is needed
‐ Changing the reaction by coupling to a fast one
• Universally used by living organisms
‐ Lower activation barrier by catalysis
• Universally used by living organisms
Los beneficios de comprar resúmenes en Stuvia estan en línea:
Garantiza la calidad de los comentarios
Compradores de Stuvia evaluaron más de 700.000 resúmenes. Así estas seguro que compras los mejores documentos!
Compra fácil y rápido
Puedes pagar rápidamente y en una vez con iDeal, tarjeta de crédito o con tu crédito de Stuvia. Sin tener que hacerte miembro.
Enfócate en lo más importante
Tus compañeros escriben los resúmenes. Por eso tienes la seguridad que tienes un resumen actual y confiable.
Así llegas a la conclusión rapidamente!
Preguntas frecuentes
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
100% de satisfacción garantizada: ¿Cómo funciona?
Nuestra garantía de satisfacción le asegura que siempre encontrará un documento de estudio a tu medida. Tu rellenas un formulario y nuestro equipo de atención al cliente se encarga del resto.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ath101. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for 9,79 €. You're not tied to anything after your purchase.
