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Q1. Use of synthetic fertilizers often leads to the contamination of groundwater with nitrates. Nitrate pollution is also the suspected cause of anoxic "dead zones" in the ocean. Which might help reduce nitrate pollution?
Q2. A cell whose cytoplasm has a concentration of 0.02 molar glucose is placed in a test tube of water containing 0.02 molar glucose. Assume that glucose is not actively transported into the cell, which terms describes the tonicity of an external solution relative to the cytoplasm of the cell?
What would be the amount of DNA in one of the grasshopper daughter cells right after cytokinesis? And Why.
What is the circumference of their spherical world if they see the similar star on their meridian at altitudes of 23 degrees and 47 degrees respectively, and at the exact same time.
According to our current knowledge of plant evolution, which group of organisms should feature mitosis most similar to that of land plants.
Muscle cells, while an individual is exercising heavily and at what time the muscle becomes oxygen deprived, convert pyruvate to lactate. What happens to the lactate in skeletal muscle cells.
Reverse transcriptase might be present in cells that have not been infected by a retrovirus since of the presence of what.
Imagine that non disjunction occurred throughout the production of the egg cell that produced your dragon's baby and resulted in no sex chromosome in the sperm cell. How would this change phenotype of your dragons' baby? Be exact for each trait that ..
Suppose the diameer of a neutral helium atom is 1.40 x 10 to the second power pm. supposed that we could line up helium atoms side by side in contact with one another. How numerous atoms would it take to make the distance from end to end 9.00cm.
Changes in temperature and pH along with Substrate Concentration and Enzyme Concentration were the conditions tested in experiment. because warm water is less dense then cold water, would you predict any difference between spines of warm water indivi..
The trees derive no known benefits from the dwarf mistletoes but appear shorter than trees not associated with dwarf mistletoe. Which is the best describes the interactions between dwarf mistletoes and trees.
While using ICD-9-CM codes, there are four main steps that should be followed to make sure that the code is an accurate description of the diagnosis. Using Library and other outside references list and describe the four steps essential to establish t..
The group of molecular biologists is trying to synthesize a new artificial compound to mimic the effects of a known hormone that influences sexual behaviour. They have turned to you for advice.
What kind of approach is this alien taking to learn about the car? An alien from a new planet landed on earth. He is attentive by cars and is determined to figure out how they work.
He thinks that this move, combined with some increase in advertising, would enhance annual sales by 35 percent. By how much could advertising be increased with profits remaining unchanged.
Briefly explain why this mating produces a triploid individual. Why can mitosis proceed normally in triploid cells, but meiosis cannot.
Assume two samples of water are taken just under the surface on a lake, one sample in the early morning, and the other in the late afternoon. Harriet had liposuction several years ago, but has since gained back all the weight lost through the procedu..
The F1 generation, which resulted from cross between the two lines, has a mean of 135kg and a variance of 16kg. What is the broad sense heritability (H2) for milk yield in this population.
You find out an unusual organism growing in the bark of a dying tree. Under a microscope, you observe that its cells are eukaryotic, have cell walls, and do not contain chloroplasts. Into what kingdom would you categorize this organism? Explain the d..
Suppose that P is always completely dominant to any number of p's, and that the locus is close to the centromere. What is an expected ratio of purple:white in the progeny of the next crosses.
A patient has an 80 percent blockage of his left anterior descending coronary artery. Illustrate what occurs in terms of myocardial oxygen supply and demand if his sympathetic nervous system is stimulated.
They have one child. What is the possibility that their child will have the disease. 52 dark moths and 21 light moths were at random recaptured. Which would be the most reasonable assumption.
Utilize your imagination to describe two ways in which disturbance of the sort just described may affect the animals that live on the panels and amount of free space available.
What genotypic and phenotypic proportions are expected in F2. Six platyfish with dissimilar tail spotting patterns live in eastern Mexico. Five of them can interbreed and produce fertile offspring. One of them cannot interbreed with the other five. W..
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