Examlex
The three basic steps of polymerase chain reaction (PCR) are denaturation, primer annealing, and primer extension. Which step requires DNA polymerase?
Astro-
Astro- is a prefix meaning "star" or "outer space", used in forming words related to astronomy or astrology.
Hemi-
A prefix meaning 'half,' used to denote one side of something or symmetry within biological contexts.
Cerebr/o
Refers to the cerebrum, the largest part of the brain associated with higher brain function such as thought and action.
Encephal/o
A prefix denoting something related to the brain, often used in medical terms.
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