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rmollap Rafa

Animacions de McGraw Hill en castell¡a (hispano) - 0 views

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    Animacions de McGraw Hill en castellà (hispano): Spanish Animations Actividad citotóxica de las células T contra las células blanco Antigenos dependientes de las células T Bomba de intercambio sodio-potasio Bomba de intercambio sodio-potasio Canales controlados por la diferencia de potencial y el potencial de acción Caracteristicas únicas de la meiosis Combinación de conmutadores: el operón lac Cómo bloquean la división celular los genes supresores de tumores Cómo surgen los priones Comparación de meiosis y mitosis Conjugación bacteriana: Transferencia de un plásmido Contracción del sarcómero Control del ciclo celular Control del la expresión génica en eucariotas Duplicación del ADN bidireccional Efecto de las ondas de sonido en las estructuras cocleares Elaboración de vacunas El represor de triptófano Endocitosis y exocitosis Endonucleasas de restricción Espermatogénesis Estimulación de la replicación celular Experimento de Hershey y Chase Experimento de Meselson y Stahl Factores de transcripcion Fases de la meiosis Fotofosforilación ciclica y no ciclica Función de la sinapsis neuromuscular Hipersensibilidad mediada por IgE (tipo I) Hormonas y secreción gástrica Horquilla de replicación del ADN La replicación del ADN Lisosomas Mecanismo de acción de la hormona esteroide Mitosis y citocinesis Movimiento del oxigeno y del dióxido de carbono en el cuerpo Orientación aleatoria de los cromosomas durante la meiosis Pasos en la clonación de un gen Polimorfismos de longitud de fragmento por enzima de restricción (RFLP) Procesamiento del ARN por parte de los espliceosomas Procesamiento de la información de los genes: Procariotas frente a eucariotas Producción de anticuerpos monoclonales Propagación del potencial de acción en un axón sin mielina Reacción en cadena de la polimerasa Replicación del VIH Retroinhibición de las vias bioquimicas Segundos mensajeros:cAMP Sintesis de proteinas Sistema de transporte de electrones y sintes
Elizabeth Hobbs

Lesson: Mitosis & Meiosis on the Table - 93 views

  • y (lab) is designed to help students to learn the critical distinctions between what happens to chromosomes during mitosis vs meiosis. Students manipulate pipe-cleaner chromosomes on a template showing stages of
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    Elizabeth, I do a similar activity with my students, and this year we are using a flip video camera to create a movie of the phases. Students will move the chromosomes, narrate from a summary script that they have written for each phase, and then put the clips together to make the video. They love to watch and listen to their explanations, and the videos can be used as a review.
Mark Glynn

The Cell Cycle & Mitosis Tutorial - 22 views

  • se, anaphase, and telopha
  • s, although a dark spot called the nucleolus may be visible. The cell may contain a pair of centrioles (or microtubule organizing centers in plants) both of which are organizational sites for microtubules.
  • of the cell and fibers extend from the centromeres. Some fibers cross the cell to form the m
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  • eres creating the kinetochores. Microtubules attach at the kinetochores and the chromosomes
Holly Barlaam

Sumanas, Inc Animations - 101 views

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    Nice range of scientific animations
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    Lots of great science animations. Examples include independent assortment, evolution of cellular organelles, mitosis, cellular respiration, reflex arcs, construction of a DNA library. Also includes chemistry and astronomy animations. Great stuff.
Jennie Snyder

How 21st Century Thinking Is Just Different - 2 views

  • nstead, we might consider constant reflection guided by important questions as a new way to learn in the presence of information abundance.
  • There is more information available to any student with a smartphone than an entire empire would have had access to three thousand years ago.
  • Truth may not change, but information does. And in the age of social media, it divides and duplicates in a frenzied kind of digital mitosis.
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  • new habits of mind.
  • Persisting.
  • Managing impulsivity.
  • Responding with awe.
  • Questioning.
  • Innovating.
  • Thinking interdependently.
  • This hints at the concept not so much of student motivation, but student impetus.
  • the 21st century’s model is form and interdependence.
  • How the Habits of Mind develop is not as simple as merely naming them.
  • It is one thing to remind little Johnny to persist in the face of adversity. It is another to create consistent reasons and opportunities for him to do so, and nurturing it all with modeling, resources, and visible relevance.
  • The tone of thinking in the 21st century should not be hushed nor gushing, defiant nor assimilating, but simply interdependent, conjured to function on a relevant scale within a much larger human and intellectual ecology
  • The shift towards the fluid, formless nature of information—thinking of information as a kind of perpetually oozing honey that holds variable value rather than static silhouettes and typesets that is right or wrong—is a not a small one.
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    How 21st C really is different. Think differently.
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