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Q. Eastern tent caterpillars live in sizable groups in silk nests, or tents, which they construct in cherry trees. They are among the first insects to become active in the spring, emerging very early in the season-a time while daily temperature fluctuates from freezing to very hot. Observing a colony over the course of a day, you observe striking differences in group behaviour: Early in the morning black caterpillars rest in a tightly packed group on the east-facing surface of the tent. In mid afternoon, the group is found on the ten under surface, each caterpillar individually hanging from the tent by just a few of its legs. Suggest a hypothesis to explain this behaviour. How might you test your hypothesis?
Assume you start with 10 ml of 2% acetic acid, and you add 90 ml of water. We will call the resulting solution "dilution#1". What is its concentration?
What are its symptoms and how can it can be diagnosed? How can the infection or disease be prevented? What makes this infection or disease different from others you have studied?
Margot is a 25-year-old, arecretionally active female who is just beginning to train for a half marathon. She weighs 128 lbs and is 5'4" tall. She comes to you for advice regarding her training diet. She tells you that she currently does mos..
What is the probability that, in an organism with a haploid number of 15, a sperm will be formed that contains all 15 chromosomes whose centromeres were derived from maternal homologs?
Is it possible that tubulin and microtubules contribute to the development of cancer? Could these important structures be targets for cancer therapy?
How do the electron acceptors used in fermentation differ from the terminal electron acceptors used during aerobic respiration and anaerobic respiration?
Suppose if life originated once on Earth, we might expect that it should be able to originate again, much like Lamarck hypothesized, but we do not observe this happening.
Individuals from this captive breeding population have been used to reestablish a wild condor population.
What are the subdivisions of biology
Your working at a remote field station and you've been given a container of undentified mostly microscopic. Your job is to determine if the organisms are bacteria, unicellular algae, or protozans.
Suppose you are purifying a protein on a weak cation exchanger (pH 7.5) and it comes off at 300mM salt. predict what salt concentration (lower, same, higher) the protein would come off if you used a strong cation exchanger.
discuss the effectiveness of each antibiotic on each type of bacteria keep in mind that antibiotics may or may not be specific to certain types of organisms?
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