Examlex
The two strands of a DNA molecule are said to be antiparallel, each strand having its 5′ end at the same end of the molecule.
Available Energy
The portion of energy in a system that can be used to perform work.
Trophic Level
A position that an organism occupies in a food chain, which is a way of categorizing living things according to how they gain their energy.
Harvest
The process of gathering ripe crops from the fields, or the period during which this activity occurs.
Squirrel Populations
groups of squirrels living in a particular area, whose dynamics and demographics can be studied for ecological and conservation purposes.
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