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A student harvested a plate ofDictyostelium cells and removed a few drops of the cell suspensionfor counting.
The total volume of cells was 9.5 ml.The student counted 123 cells in one quadrant of the hemacytometergrid.
How many cells were harvested?
When studying cell division in tissue samples, scientists often calculate a mitotic index, which is the ratio of dividing cells to the total number of cells in the sample. Which type of tissue would have a higher mitotic index, normal tissue or ca..
Why is his discovery important for modern-day molecular biology?
Biochemistry-michaelis menten eqn problem
At which level should we think about selection? Gene, individual, population, species, or ecosystem? Make your argument explaining the evidence for and against selection operating at each of these levels.
When a continuous fermenter is in steady state which is true?
Assume you are interested in performing a mutagenesis study and you design oligonucleotide primers and perform a polymerase chain reaction to induce a mutation of interest into a synthetically generated PCR DNA product.
Explain how photosynthesis and respiration are linked in order to provide you with energy from the food you eat.how to Explain the role of fermentation.
Sinorhizobium meliloti can be protected from osmotic stress by the presence of certain disaccharides. Dan Orr found that sucrose does a fine job as an osmoprotectant for our strain of S. meliloti,
what are three parts Cell respiration has. Where in the cell is each found, the molecule(s) that enter each, the molecules at the end of each, and the number of ATPs harvested from each.
Think about a signal transduction pathway leading to the cell dividing. Begin with a tyrosine kinase. What is the function of the tyrosine kinase?
Determine the diploid number (2n) of the following unknown organisms from the cell observations given below. Draw what each cell looks like at the indicated stage, including all important cytological features.
Animal cells use a symport in the plasma membrane to take up amino acids. What is the most likely ion used to drive this import? Why? Is ATP consumed in the process? If so, how?
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