Gastrulation producesa(n) ____
a. hollow balls of cells
b. embryo with germ layers
c. solid balls of cells
d. haploid cells
e. yolk sac
ANSWER: b
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A. rubisco is an oxygenase B. rubisco is a carboxylase C. O2 is a strong oxidant D. rubisco is an oxygenase and O2 is a strong oxidant E. rubisco is an oxygenase and O2 is a strong reductant
What is the key concept addressed by the question?
What will be an ideal response?
Give two examples of nonrandom mating.
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What term would be applied to a regulatory condition that occurs when a protein is associated with a particular section of DNA and greatly reduces transcription?
A) positive control B) induction C) activation D) stimulation E) negative control