Dr Alvaro Peña

IB Biology / Science Teacher at Jakarta Intercultural School, Indonesia.

[Dr Alvaro Peña @Alpe_Bio]

Estimation of osmolarity of potato tissues using salt concentrations - another great IB Biology Lab! @ Jakarta Intercultural School https://t.co/noElTdpoGX

[Dr Alvaro Peña @Alpe_Bio]

HL Biology trip 2019. Students set up transects to study the biodiversity along coral ecosystems. They used underwater cameras to record transect videos and to take photos of the quadrats in systematic sampling. They… https://t.co/UbiWjaQedz

[Dr Alvaro Peña @Alpe_Bio]

HL Biology trip to Pulau Putri and Pulau Bintang 2019. Students analyzed water samples in Ancol and Putri Island and compared different variables to understand the consequences of pollution in marine ecosystems.… https://t.co/Au1S10l05k

[Dr Alvaro Peña @Alpe_Bio]

How does the SA/Volume ratio of agar cubes affect the diffusion of a sodium hydroxide solution through the cubes after an 8-minute incubation at room temperature? SL Biology students at jakartainterculturalschool… https://t.co/Lh0YsXWXyd

[Dr Alvaro Peña @Alpe_Bio]

HL Biology students at jakartainterculturalschool analyze urine samples and diagnose the patients' condition: diabetes, dehydration, kidney failure... The class looks like a med school! @ Jakarta International School https://t.co/tIWgqIb2jD

[Dr Alvaro Peña @Alpe_Bio]

Time to exercise! HL Biology students investigate the effect of exercise intensity on ventilation rate! Spirometers are used to measure tidal volumes and breathing parameters and… https://t.co/J8EoTH3WRB

[Dr Alvaro Peña @Alpe_Bio]

HL Biology students jakartainterculturalschool learn about antigens in red blood cells and about monoclonal antibody diagnosis techniques. Students volunteer to test their blood… https://t.co/GZNCSmt9kL

[Dr Alvaro Peña @Alpe_Bio]

HL Biology students at jakartainterculturalschool explore the process of absorption in the digestive system by building a model with a viking tuning membrane (dialysis tube). The… https://t.co/fPEQJ08AS2

[Dr Alvaro Peña @Alpe_Bio]

HL Biology students perform a heart dissection jakartainterculturalschool to deepen their understanding of the circulatory system. Today I had a class full of Heartbreakers! @… https://t.co/gfYsuHz56R

[Dr Alvaro Peña @Alpe_Bio]

Setting up a bacterial transformation lab for students jakartainterculturalschool to learn about how to create genetically modifed bacteria! E. Coli strains were transformed with… https://t.co/p75qIIkqS5

[Dr Alvaro Peña @Alpe_Bio]

HL Biology students learn about the structure and function of flower parts by doing a flower dissection at jakartainterculturalschool @ Jakarta Intercultural School https://t.co/G3QzXG1i1z

[Dr Alvaro Peña @Alpe_Bio]

Seed dissection jakartainterculturalschool! HL Biology students observe and learn about function of seed structures, dissecting red beans, mung beans and soy beans. Structure and function… https://t.co/qDN5bDOGm8

[Dr Alvaro Peña @Alpe_Bio]

HL Biology students jakartainterculturalschool learned how to use #potometers and how to choose the right constant variables to optimize their raw data-collection time. Investigations on… https://t.co/ayyRzgNMol

[Dr Alvaro Peña @Alpe_Bio]

HL Biology at #jakartainterculturalschool students visualize photosynthesis and measure the effect of light intensity on photosynthesis rate by counting the number of
Oxygen bubbles… https://t.co/PCYMmrEFEM

[Dr Alvaro Peña @Alpe_Bio]

HL Biology students at #jakartainterculturalschool run a TLC chromatography to separate and identity palnt pigments in red and green leaves. Results are beautiful, with colorful carotenes,… https://t.co/4a4m9EW8S2

[Dr Alvaro Peña @Alpe_Bio]

HL Biology students at jakartainterculturalschool review glycolysis but illustrating the individual enzyme reactions from glucose to pyruvate! @ Jakarta International School https://t.co/8OcUcdqSPw

[Dr Alvaro Peña @Alpe_Bio]

HL Biology students visualize REDOX reactions by oxidizing glucose molecules with Benedict's test (Cu2+ is reduced to Cu2). The activity is used to introducte the REDOX reactions in… https://t.co/qzcuBh4zmP

[Dr Alvaro Peña @Alpe_Bio]

HL Biology students at jakartainterculturalschool visualize the transcription and translation processes in prokayotic cells by using DNA codes, 70S ribosome models, mRNA strand and… https://t.co/bOCEuUWLor

[Dr Alvaro Peña @Alpe_Bio]

Biology10 students at jakartainterculturalschool. dissect a goat heart to identify and isolate the blood vessels, atria, ventricles and valves, all separated by the strong septum. They… https://t.co/FqNackl7cI

[Dr Alvaro Peña @Alpe_Bio]

HL Biology students jakartainterculturalschool learn the process of DNA replication using a 10 meter long double stranded DNA model. Okazaki fragments are required in the lagging strand… https://t.co/aZEtcdNv0q