In Drosophila, the cells created by cleavage contain different developmental signals from the egg called cytoplasmic
A. stem cells.
B. signals.
C. determinants.
D. junctions.
C. determinants.
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Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
What will be an ideal response?
Eukaryotic cells regulate the expression of multiple genes by having ____
a. individual activators for individual genes b. a few activators that can interact with small subsets of genes c. activators that serve as catalysts for further activator protein synthesis d. a few activators that work in different combinations to activate different genes
e. a single activator that undergoes modifications to enable interaction with different promotersHow is most O2 transported in the blood?
a. bound to hemoglobin b. as gas c. dissolved in the plasma d. as bicarbonate ions
The distribution of strawberry plants in a strawberry field is
A. clumped B. random C. uniform D. constant E. homogeneous