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General
General nature or nature terms.
Industry: Natural environment
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General
secondary growth
Biology; General
Cells in a plant that are produced by a cambium. Increase in girth of a plant due to the action of lateral meristems such as the vascular cambium. The main cell produced in secondary growth is ...
sodium-potassium pump
Biology; General
The mechanism that uses ATP energy to reset the sodium and potassium ions after transmission of a nerve impulse.
systemic circuit
Biology; General
The loop of the circulatory system that carries blood through the body and back to the heart.
secondary macronutrients
Biology; General
Elements that plants require in relatively small quantities: calcium, magnesium, and sulfur.