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This animation explains active and passive transport processes occurring through cell membranes
membrane transportation, transportation, cell membrane, passive transportation, active transportation, diffusion, channel protein, carrier molecule, symport, antiport, uniport, concentration gradient, ADP, ATP, cytology, biology
Eukaryotic cells contain a number of organelles.
Enzymes are protein molecules catalyzing biochemical reactions. Their activity can be regulated.
Neurons transmit electrical signals via chemical and electrical synapses.
Plants are capable of converting inorganic substances (carbon dioxide and water) into organic sugar.
Three saturated fatty acid molecules linked to a glycerol molecule.
Triglycerides containing unsaturated fatty acids are liquid at room temperature.
The structure and arrangement of polypeptide chains affects the spatial structure of proteins.
The heart generates the electrical impulses necessary for its own operation. The graphic representation of the electrical activity of the heart is the...
ATP is the main source of energy for cells.
The longest part of the digestive system, where most of the digestion and absorption takes place.