Examlex
The three key elements needed to form recombinant DNA are: a DNA molecule into which a new DNA segment will be inserted; an enzyme that cleaves DNA at specific locations; and an enzyme from a second organism that will be inserted in the original DNA molecule.
Nourishment
The substances necessary for growth, health, and good condition, often referred to in the context of food and nutrition.
Species
A basic unit of biological classification, defined as a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
Protective Shells
Hard outer coverings that serve to shield organisms from environmental hazards and potential predators.
Camouflage
A method or pattern used by animals and military forces to blend with their environment to conceal themselves from predators or enemies.
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