Explore how changing the DNA sequence can change the amino acid sequence of a protein. Proteins are composed of long strings of amino acids. Proteins are coded for in the DNA. DNA is composed of four different types of nucleotides.
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Online labs provide your students with the possibility to conduct scientific experiments in an online environment. Remotely-operated labs (remote labs) offer an opportunity to experiment with real equipment from remote locations. Virtual labs simulate the scientific equipment. Data sets present data from already performed lab experiments. Please use the filters on the right to find appropriate online labs for your class. Labs can be combined with dedicated Apps to create Inquiry Learning Spaces (ILSs).
If you are looking for online labs especially suitable for the curricula of Benin, Kenya or Nigeria, please visit our Collections page.
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Explore how the code embedded in DNA is translated into a protein. The process of converting the information in DNA into protein is a two-step process, involving transcription and translation. In transcription, an mRNA copy is made of the DNA.
This model is an agent-based population genetics simulation. The program contains the tools to conduct virtual experiments violating all the assumptions of Hardy-Weinberg theory (small population, selection, mutation, migration, and non-random mating).
Explore how an mRNA copy is made of DNA. Protein complexes separate the DNA helix to allow complementary mRNA nucleotides to bind to the DNA sequence. The pairing of nucleotides is very specific.
The primary aim of the lab is:
1) To learn about DNA and nucleotides
Many animals are at risk of being eaten by other animals. Such an animal must balance food intake with predation risk. These models simulate Pulliam's (1973) vigilance model, which suggests that feeding in flocks is advantageous. Collective - Foraging juncos can be attacked by a Cooper's Hawk.
This lab allows students to explore how organisms with different traits survive various selection agents within the environment.
Explore how a protein is made from an mRNA sequence. In translation, the mRNA leaves the nucleus and attaches to a ribosome. Transfer RNA (tRNA) molecules bring amino acids to the ribosome.
Explore how hydrophobic and hydrophilic interactions cause proteins to fold into specific shapes. Proteins, made up of amino acids, are used for many different purposes in the cell. The cell is an aqueous (water-filled) environment.
Knowing how many individuals are in a population can be critical. How can you tell how many there are when there are too many to count? This model simulates a pond of tadpoles. The population size can be estimated in three ways: direct sampling, sampling with removal, and mark/recapture.
This is an updated version of an existing lab. It includes some theoretical background information and the online lab which models Connell's 1961 classic competition experiment. Students can explore the fundamental and realized niches of two species of barnacles, Chthamalus and Balanus.