Comparison of Lignin-Associated Genes Across Photosynthetic OrganismsIn a study comparing the genomes of photosynthetic organisms, scientists identified genes specific to the synthesis of lignin. The resulting data are presented in the table.OrganismGroupApproximate number of genes associated with an enzyme unique to lignin biosynthesisPhaeodactylumDiatoms0VolvoxGreen algae0 A mossBryophytes12 Spike mossLycophytes 38 RiceMonocots55 Poplar treeDicots53 Use the passage to answer the question.The genome of a pine, a gymnosperm, is analyzed for the number of genes specific for the biosynthesis of lignin. Based on the results presented in the table, which is the estimated number of genes that should be expected from the analysis? A.between 0 and 9 B.between 10 and 29 C.between 30 and 59 D.more than 60

Introduction: Tracheophyta are group of plants that have differentiated conducting elements in the…

Answered: The genome of a pine, a gymnosperm, is…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

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Comparison of Lignin-Associated Genes Across Photosynthetic Organisms

In a study comparing the genomes of photosynthetic organisms, scientists identified genes specific to the synthesis of lignin. The resulting data are presented in the table.

Organism	Group	Approximate number of genes associated with an enzyme unique to lignin biosynthesis
Phaeodactylum	Diatoms	0
Volvox	Green algae	0
A moss	Bryophytes	12
Spike moss	Lycophytes	38
Rice	Monocots	55
Poplar tree	Dicots	53

Use the passage to answer the question.

The genome of a pine, a gymnosperm, is analyzed for the number of genes specific for the biosynthesis of lignin. Based on the results presented in the table, which is the estimated number of genes that should be expected from the analysis?

A.

between 0 and 9
B.

between 10 and 29
C.

between 30 and 59
D.

more than 60

Features Features The presence of a single cotyledon in the seedling is the most common way to identify monocot plants. Veins that run parallel to the length of the leaves and flower sections that are arranged in a three or six-fold symmetry are some of the anatomical characteristics shared by monocots. Monocots have very little true woody tissue and an adventitious root system. They lack a typical cambium and have scattered vascular bundles.

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