The bicoid protein of a fruit fly is an example of _____.

A. embryonic induction
B. epigenetics
C. differentiation
D. a morphogen
E. assimilation


Answer: D

Biology & Microbiology

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Answer the following statement true (T) or false (F)

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Design an enrichment strategy for the isolation of a heterotrophic sulfate-reducer that could help clean up the oil spill in the sediments of the Gulf of Mexico

What will be an ideal response?

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Due to high rates of water loss, all woody plants must produce more of which type of tissue?

A. secondary xylem B. secondary phloem C. cork D. bark

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The nematocysts of sea slugs should be most effective at protecting individual sea slugs from predation if the predators _____

A) remove small bites of flesh from sea slugs and have long-term memory B) remove small bites of flesh from sea slugs and have no long-term memory C) consume entire sea slugs in one gulp and have no long-term memory D) consume entire sea slugs in one gulp and have long-term memory

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