Ib Biology Hl : Definition

active site – the specific location where a substrate binds on an enzyme.
what is phytoplankton – population of algae and other small, photosynthetic organisms found near the surface of the ocean and forming part of plankton
fruit ripening – A burst of ethylene production in a fruit triggers the ripening process.
amino acid – Compounds with an amino group on one end and a carboxyl group on the other end.
cartilage – Made of collagenous fibers in matrix of chondroitin sulfate.
Length – A measurement of the size of an object in one dimension of space – head-to-tail, for example. Compare with volume.
carbohydrate – main source of energy, CHO, also used for structure(cellulose)
endorphins – Natural analgesics that decrease pain perception.
Abnormal condition of fungus in the nose
stroma – Fluid inside chloroplasts that surrounds the thykaloids. It is high in H+ that are used to drive ATP synthesis
Unifying Principles of Biology – the cell theory, the gene theory, homeostasis, evolutionary theory.
Ecosystem – Interactions among different populations in a community; includes all the biotic and abiotic factors affecting organisms.
Right ventricle – receives blood from the right atrium and pumps it to the main pulmonary artery
loose connective tissue – The most widespread connective tissue in the vertebrate body. It binds epithelia to underlying tissues and functions as packing material, holding organs in place.
Hagfish – Type of jawless cartilaginous fish that feeds on dead or dying fish
Abnоrmаl cоnditiоn of fungus in the nose
DNA profiling – A procedure that analyzes DNA fragments to determine whether they come from a specific individual.

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