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1. Are the controls in this experiment, positive or negative controls? How do you know? (what is the purpose of each)?
2. Which bacterial plates contained oxidase positive bacteria? Which plates contained oxidase negative bacteria? Were the colonies from the plates similar? How do you interpret the colony growth?
3. Which of your samples had cytochrome c oxidase? Which samples did not?
4. What reaction would you expect when performing a negative control in the catalase assay?
5. What reaction would you expect when performing a positive control in the catalase experiment? What would it mean if a known catalase positive did not produce bubbles after the addition of H2O2?
Using the ecosystem of a suburban area, explain how the following abiotic factors influence plant growth and adaptability: sunlight, water, temperature changes, soil type, and winds.
During mitosis it is important for sister chromatids to stick together (called "cohesion") during some stages and then separate. Researchers have identified proteins called "cohesins" that are involved in sister chromatid cohesion. If you wanted t..
X and Y are separated by a semi-permeable membrane that is permeable to K+ ions and water but not to Na+ and Cl- ions. At equilibrium, which of the following statement(S) is (are) correct? A) Compartment X will be negatively charged
The seeds of orchids are among the smallest known, with virtually no endosperm and with miniscule seed leaves. As a result, what must one expect to be true of such seeds.
What do the sex determination systems of Chlamydomonas and Cannabis have in common? What is different? Answer in 4-5 sentences.
You were given a pea plant with long stems and axial flowers and are asked to determins its genotype. You know that the allele for long stem is dominant over short and the allele for axial flowers is dominant over terminal flowers. Describe the on..
What do post-Mendelian genetic concepts such as quantitative variation, polygenic traits, and pleiotropy suggest about the possible future course of genetic research?
Topic-The Dark matter of the Genome: Operating Instructions for the Tool Kit
What medical specialist would most likely treat this disease/condition? If you or a member of your family had this disease/condition, which treatment option would you choose? Why is this treatment option the best
Meiotic nondisjunction events will create aneuploid gametes.define normal Drosophila male meiotic segregation.
What contribution did Ignaz Semmelweis make to the emergence of the Germ Theory of Disease and why did other doctors not like it?
What is the effect aldosterone has on the distal convoluted tubule? Why would the actions of aldosterone be useful to Rivka in her situation? What does a specific gravity test measure? If someone tested the specific gravity of Rivka's urine, what mig..
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