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The following experiment is meant to be designed by you with the beans provided in the kit! You will design and execute an experiment to test several factors that influence seed germination. Whatever your experimental design, be sure to include controls, both positive and negative, and make sure it is reproducible!Materials:100 Beans(10) 5 x 8 in. BagsPermanent markerRuler
Procedure1. Think of 10 - 20 variables that may affect seed germination. Record them in Table 5.2. From your list of variables in Table 5, select three to test. Form a hypothesis for why each affects seed germination.3. To germinate the beans, place one folded paper towel, moistened but not soaking wet, into the 5 x 8 inch bag. Place 10 beans in a horizontal line on the paper towel.4. Use a different prepared bag for each variable tested. Label each bag with the variable being tested.5. Hang each bag using masking tape in the environment you select.6. Create a table for your data, including title, units, and any other useful information.7. Select the appropriate type of graph, and report the data you collected.8. Write a lab report for this experiment.
You have a culture that contains 2.8 X 10^7 CFU/ml and you want to obtain a plate with approximately 30 colonies on it after spread plating 100 microliters. What dilution would you use?
A eukaryotic cell has organelles that compartmentalize cellular functions. (Incidentally, bacteria do not have organelles.) What is the primary compartment which distinguishes between the two main types of cells? What is the advantage of separatin..
Where does translation occur in eukaryotic cells, and what type of molecule is made during this process?
Briefly explain why digester sludge accounts to 5-10 percent of the total flow but contains 25-30 percent of the organic nitrogen.
Does Lineweaver-burk Plot yields the most accurate determination of Km and Vmax or Michaelis-Menten plot? Why?
One gene encodes the second enzyme in a melanin-synthesizing pathway. An individual who is homozygous for a recessive allele of this gene cannot make or deposit melanin in body tissues.
Suppose your cousin has decided to begin breeding owls. She does some research and finds out that a single gene controls feather color.
AKT phosphorylation can indicate prognosis for cancer diagnosis in most cases, phosphorylation of itself or other family members will mean more agressive disease with a poorer prognosis.
Did the flasks that visually had the most dead cells in them have significantly more cells stain blue when Trypan Blue was added than the flasks that appeared healthy (The answer is NO).
A patient with hypothyroidism presents with low T3 and T4, and elevated TSH & antibodies to thyroglobulin. The thyroid is infiltrated with lymphocytes that have replaced large part of thyroid.
Who was Carl Weigert? What influence did Weigert have on Ehrlich. Other than the acid-fast stain, what other technique may be used to diagnose tuberculosis? What scientist developed this test.
Explain the structure and function of cellular organelles.There exist several examples of the eukaryotic cells. Algae, Fungi, Plants, and animals are all composed of the eukaryotic cells. Some algae and fungi are unicellular organisms.
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