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In a cross between pure-breeding tall plants and pure-breeding short plants all of the F1 are tall. When these plants are allowed to fertilize themselves, the F2 plants occur in a ratio of 3 tall:1
What happened to most of the energy that the cell obtains from the oxidation of glucose?
In the second experiment you do the reverse: you first treat the denatured proteins with unlabeled NEM, then break disulfide bonds with DTT and treat with radiolabeled NEM. The proteins are separate
To prevent a lethal epidemic in the United states all those living in the U.S. must receive the vaccine and one can protect the entire U.S. population against an epidemic without having to vaccinate e
Fuzzy Concept Question: Post a question about any topic that remains fuzzy or unclear in your own mind that you would like to have others help you understand.
Which of the formed elements would increase after the donation of a pint of blood and why and describe the three phases of the normal blood-clotting process.
If isolated plant cells with a water potential averaging -0.5 MPa are placed into a solution with a water potential of -0.3 MPa, which of the following would be the most likely outcome?
Explain the similarities and differences of the organophosphates and chlorinated hydrocarbons (hint, mention: toxicity, application methods, solvency, and lifespan)
A scientist is studying the stage of the cell cycle where some of the organelles double in number and the cell accumulates materials that will be used in the next cell division.
Many opsonins are multimeric (as opposed to monomeric) molecules [complete the sentence and assess the resulting statements (61-66) describing various hypothetical conclusions
what is the probability that they are the same nucleotide? For full credit, you must describe your approach, or show enough work to make clear how you solved the problem.
Calculate the number of base pairs in a single cell and assuming that there are 10^14 cells in the human body, calculate the total length of DNA.
The object of your critique is to describe how the study followed or failed to follow the criteria for good research. Speculate on which of the writer's conclusions were warranted and which were not
In the 19th century, the new theory of evolution was criticized on grounds that if an advantageous variant trait happened to appear in a population, the individual carrying the trait would only be a
The various parts of the endomembrane system serve different functions in the cell. In this activity, you will identify the roles of each part of the endomembrane system.
What will the peak amplitude be when the spike arrives at point Y? [The space constant of the neuron is 3 mm.]
what concentration of sodium chloride (MgCl2) whould you use to make it iso-osmotic with the cell so that the cell does not burst or crentat
Describe your concept of Genotype and phenotype and describe two genetic autosomal recesive disorder of interest
Draw a picture of a cell in isotonic, hypotonic, and hypertonic states and what is the potential of an open beaker containing pure water?
can you explain the replication of DNA? With an explanation of the roles/functions of DNA polymerase, replication bubbles, and the replication fork?
How could channels that have only an open and closed state give rise to a whole cell membrane potential that appears to change continuously?
In the Miller-Urey experiment, gases were circulated continuously between a lower "ocean," which was heated, and an upper "atmosphere," through which an electric discharge was transmitted. Amino aci
What SARS viral proteins are made using the frameshifting? Is there only one SARS viral protein made using frameshifting or are there many proteins made using frameshifting?
would likely produce more false negatives with a shorter incubation time? Why? Which test would likely benefit most from a longer incubation time? Why?
N-terminal analysis of a pure protein yielded three different amino acids. Concisely discuss two possible interpretations of this result and suggest a way to clearly distinguish between those interp