The base sequences that are left behind after the introns have been spliced out by enzymes are the ________
A) phosphates B) anticodons C) exons D) genes
Answer: C
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What route does air follow to the human lungs as it is inhaled?
A) nasal cavity, trachea, larynx, bronchiole, alveolus B) nasal cavity, larynx, bronchiole, trachea, alveolus C) nasal cavity, bronchiole, larynx, trachea, alveolus D) nasal cavity, larynx, trachea, bronchiole, alveolus
The structure(s) that allow for the diffusion of gasses, such as CO2, into and out of a leaf is(are) the:
A. cuticle. B. stomata. C. veins. D. mesophyll cells. E. vascular bundles.
Living transmitters of an infectious organism from one host to another are called ________.
Fill in the blank(s) with the appropriate word(s).
RNA proofreading is ________ stringent than DNA proofreading
Fill in the blank with correct word.