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The Bacteria were at different stages in their cycle of doubling their DNa. The authors allowed time for one generation. Wouldn't some DNA molecules be only partly made? Ignoring the circular nature of the DNA (Which was not known at the time), track a (linear) DNA molecule that is in the middle of replication at the time of shift of isotopes. Draw what it will look like exactly one generation later (use different colors, or wiggles, to show the old and new strands). What is its density if it stays as one piece?
Using the respirometer-manometer, you observed the amount of oxygern being used by animals in a closed chamber. What happened to the carbon dioxide the animals produced while in the chamber?
The nucleotide composition of a virus is 10 percent Adenine, 15 percent Thymine, 45 percent Cytosine, and 30% Guanine. Can you predict that the DNA has the double helical structure?
What is wobble, and how does it affect the number of tRNAs needed to translate the codons of a particular amino acid?
Discuss why it is just as important to analyze financial statements as it is to prepare them.
Describe the event that are invovled in the release of neurotransmitter from nreve endings?
Suppose you start a firm where you genotype individuals determine which alleles they carry for a set of genes and help them with their training for marathon.
Kangaroo rats native to North American deserts have very efficient kidneys. They excrete an exceedingly small volume of highly-concentrated urine in order not to lose much water from the bodies.
In the human body, the potassium ion can pass easily through cell membranes, yet the potassium ion concentration is higher inside many cells than it is outside these cells. Could this be accomplished by passive diffusion? Explain your answer.
You have measured the absorption of pNP created by acid phosphatase after 12.5 minutes of reaction to be 0.188. The reaction occurred in a 500. µL volume into which was added 0.200 mL of 0.400 mg/mL WAP.
If you were to create a mutant lysosomal protein in which a glutamine replaced an asparagine contained in the wild type protein the mutant has a Gln where the normal protein has an Asn.
how to keeping the shape of the cell. But I have found that there is a primary and secondary cell wall - each has their own function - so I am somewhat confused and looking for guidance.
suppose a broth has 436 million bacteria per milliliter. A serial dilution is made using three bottles of 99 milliliters each. 1 mL is transferred from the sample to the first bottle; 1 mL is transferred from the first bottle to the second; and th..
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