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Why is it important to include both gram negative and gram positive organisms in a smear prep when you are performing the gramstain?
Ethylene is the only hormone in our group that is a gas. Under what conditions is ethylene produced?
Suppose a gas is kept in a closed, rigid container. If the temperature of the gas increases, what happens to its pressure on the container?
Obtain information about and respond to external environment
Compare the pig brain to drawings of a human brain, a fish brain, and a bird brain.
When homologous chromosomes crossover, what occurs?
What biochemical process is responsible for the plants absorption of O2 and net production of CO2?
Because warm water is less dense than cold water, would you predict any differences between the spines of warm-water and cold-water individuals? Why?
How is women's status impacted in foraging and horticultural societies by participation in food procurement?
Assume that a cross is made between AaBb and aabb plants and the offspring fall into approximately equal numbers of the following groups: AaBb, Aabb, aaBb, aabb. These results are consistent with the
What is the factor effecting air layering or marcotting
What classes of compounds are present in living organisms that are not tested for in this exercise? Can you suggest how you would show how much of a specific compound is present in a given s
What kinds of clues can fossils provide about the past, including climate, what organisms ate, and the environment in which they lived?
What are the biotic and abiotic factors in Tahoe?
Identity of these fragments? Explain your reasoning.
In two closely related bacterial species, an operon with five structural genes is found on the chromosome, with the genes arranged in the same order. However, in species B, gene X, which is NOT presen
How does the number of body cavities of nematodes compare with that of flatworms?
A student tests the second law of motion by acceleration a block of ice at a rate of 3.5 m/s2. If the ice has a mass of 12.5 kg, what force must the student apply to the ice?
What do some echinoderms have that are long and used for locomotion?
Coupling hydrolysis of which of these compounds to the synthesis of ATP would be most favorable?
What did darwin learn about the land tortoises of the different galapagos islands
The pH of the inner thylakoid space has been measured, as have the pH of the stroma and of the cytosol of a particular plant cell. Which, if any, relationship would you expect to find?
Why nitrogen fixation is only carried out by prokaryotes? Why didn't the humans and plants evolve a way to fix nitrogen from the atmosphere directly?
What are the inputs and outputs of mitosis?
List six classes of plant hormones, describe their major functions, and note where they are produced in the plant.