Split Genes _______

question 16

Multiple Choice

Split genes _______.

• A) are common in bacteria and eukaryotes
• B) only have exons initially transcribed to mRNA
• C) have introns located only at the beginning and end of a coding region
• D) are acted upon by spliceosomes to excise introns and then join exons

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Definitions:

Phloem

The vascular tissue in plants responsible for the transport of organic nutrients, particularly sucrose, from the leaves to the rest of the plant.

Xylem

The vascular tissue in plants that conducts water and dissolved nutrients upward from the root and helps form the woody element in the stem.

Dissolved Sugars

Sugars that have been dissolved in a solvent, often water, making them an important energy source for organisms at the cellular level.

Stomata

Small openings on the surfaces of leaves and stems through which gases and water vapor pass.