Examlex
Smooth muscle constriction between the ileum and cecum.
Mutations
Changes in the DNA sequence of an organism's genome, which can lead to diversity within species but also cause diseases.
DNA
Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms.
Atmospheric Oxygen
The oxygen gas (O2) present in the Earth's atmosphere, essential for the respiratory processes of most living organisms.
Photosynthesizing Bacteria
Microorganisms that convert light energy into chemical energy through the process of photosynthesis.
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