A Metasearch Engine Combines the Power of Multiple Search Engines

question 38

True/False

A metasearch engine combines the power of multiple search engines. Some metasearch tools also include directories.

Understand the concept and processes involved in concerted evolution.

Gain skills in constructing and interpreting similarity matrices based on genetic sequences.

Learn about the role of natural selection in the evolution of gene functions and sequences.

Understand the concept of gene families and the evolution of gene duplications.

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Definitions:

Pericycle

Layer of cells surrounding the vascular tissue of roots; produces branch roots.

Companion Cell

Plant cell in the vascular tissue of plants that metabolically supports the conducting cells of the phloem.

Sieve-Tube Member

A type of elongated cell in the phloem of flowering plants, responsible for transporting sugars and other nutrients.

Sieve-Tube Members

Specialized cells in the phloem of higher plants that facilitate the transport of sugars and other nutrients from the leaves to the rest of the plant.