Examlex
Two common methods for obtaining large quantities of a DNA fragment or gene of interest is by PCR or by DNA cloning (e.g., construction of a DNA library). Explain one advantage of using PCR and one advantage of using DNA cloning in a living cell.
Rapid Eye Movements
Quick, jerky movements of the eyes that occur during certain stages of sleep, associated with dreaming.
Muscle Tone
Muscle tone is the continuous and passive partial contraction of muscles, which helps maintain posture and readiness for action.
Medulla
A section of the brainstem crucial for autonomic functions such as breathing, heart rate, and blood pressure.
Spinal Cord
The long, thin, tubular structure made up of nervous tissue, which extends from the brainstem to the lower back, carrying messages between the brain and the body.
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