Homeotic Genes Encode Transcription Factor Proteins That Bind DNA

question 16

Multiple Choice

Homeotic genes encode transcription factor proteins that bind DNA. The DNA-binding domain of homeotic proteins is called a _____, and is a highly conserved region in many homeotic proteins.

• A)homeodomain
• B)paired domain
• C)transactivation domain
• D)regulatory domain
• E)half domain

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Definitions:

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis.

Animals

Multicellular, eukaryotic organisms of the kingdom Animalia that are characterized by their ability to move, reproduce sexually, and consume organic material.

Major Lineage

A principal branch or group in the evolutionary tree that represents a large division of organisms sharing a common ancestor.

Fungi

A kingdom of organisms that includes yeasts, molds, and mushrooms; characterized by their absorption of food and importance in ecological and human health.