Briefly describe the life cycle of Drosophila.
What will be an ideal response?
Answer: Egg, larva, pupa, and adult. Depending on the temperature, the cycle usualy lasts about 10 days.
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Several butterfly species that are edible to birds have very similar color patterns to the generally inedible Monarch butterfly. This is best described as an example of
A. Mullerian mimicry. B. Batesian mimicry. C. crypsis. D. subterfuge. E. aposematic coloration.
During Angiogenesis signals are sent from cells surface of endothelial cells to ____ and reduces new molecules including enzymes
a. cytoplasm b. nucleus c. ribosome d. proteasome
During the mitotic spindle checkpoint,
a. cells are in anaphase. b. cells arrest if chromosomes are attached properly to the mitotic spindle. c. cells become irreversibly committed to S phase. d. cells are checked for proper spindle attachment to chromosomes. e. cells enter G0.
Which aspect of sensory transduction relates to the stimulus strength?
a. action potential frequency b. action potential size c. the neural pathway followed d. receptive field size e. the brain region stimulated