Biology glossary

cartilaginous tube that transports air from the larynx to the primary bronchi

xylem cell with thick secondary walls that helps transport water

economic principle that resources held in common will inevitably be overexploited

economic principle that resources held in common will inevitably be overexploited

variation in the physical appearance of a heritable characteristic

fat formed artificially by hydrogenating oils, leading to a different arrangement of double bond(s) than those found in naturally occurring lipids.

trans-acting element

process through which messenger RNA forms on a template of DNA.

region of locally unwound DNA that allows for transcription of mRNA

sequence of DNA to which a transcription factor binds

site at which transcription begins

process by which a bacteriophage moves DNA from one prokaryote to another

process by which a bacteriophage moves DNA from one prokaryote to another

RNA that carries activated amino acids to the site of protein synthesis on the ribosome.

process in which external DNA is taken up by a cell