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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.
Describe the structure of the ecosystem: List both the abiotic components and biotic components and describe the function of the ecosystem: How do the abiotic and biotic components interact in bioge
Assuming no recombination and a diploid number of 4, draw two plausible arrangements of the chromosomes at metaphase in meiosis 1 below. Draw your chromosomes as indicated in the example, with the
Create a new organizational chart that depicts the newly established communication channel. Create a new organizational chart from scratch, or copy and paste one of the provided organizational chart
What is the minimum size (in nucleotides) of the viral genome? Why would the viral genome likely be larger than this?
What perils does she discuss before using this phrase and what peril does she discuss in the final paragraph
Describe what you observed in your plaque smear wet-mount, direct stained slide, and indirectly stained slide. What were the similarities? What were the differences?
Which of the following responses by the student would warrant correction by the nurse practitioner "As vessel wall thickness increases, tension decreases."
Explain the information that can be derived from measuring the mitotic index. How might the mitotic index be used to enhance or support agricultural practices?
In few words explain what occurs in hemolytic disease of the newborn and what formed element is crucial to blood clotting? What other substances are necessary for clotting?
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.