Use the Following Information to Answer the Questions Below

question 114

Multiple Choice

Use the following information to answer the questions below.
A researcher has arrived at a method to prevent gene expression from Drosophila embryonic genes.The following questions assume that he is using this method.
-When the Bicoid protein is expressed in Drosophila,the embryo is still syncytial (divisions between cells are not yet fully developed) .This information helps to explain which observation by Nüsslein-Volhard and Wieschaus?

• A)mRNA from the egg is translated into the Bicoid protein.
• B)Bicoid protein diffuses throughout the embryo in a concentration gradient.
• C)Bicoid protein serves as a transcription regulator.
• D)Bicoid protein determines the dorsoventral axis of the embryo.
• E)Bicoid protein serves as a translational regulator.

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Definitions:

Equilibrium Quantity

The level of goods or services supplied matches the consumer demand at the price which establishes market equilibrium.

Preset Price

refers to a price that is established in advance and does not change in response to market conditions or negotiation.

Price Ceiling

A legal maximum price set by the government on certain goods and services to prevent prices from becoming too high.

Price Floor

A government- or authority-imposed minimum price that can be charged for a good or service, typically set above the equilibrium price to aid producers.