• Q : Explain the experiment of germinate bean seeds in cotton....
    Biology :

    I'm looking for a simple, inexpensive way to demonstrate that soil is not needed for plant growth to middle school students.

  • Q : Explain expression level of dynamic bayesian network....
    Biology :

    I'm wanting to model interactions in expression level as a dynamic bayesian network, but an assumption my approach will need to make is that it is static.

  • Q : Explain the theory into the cause of ice-cream headaches....
    Biology :

    This increase in blood volume and resulting increase in size in this artery is thought to bring on the pain associated with an ice-cream headache.

  • Q : Do animals portray the same behavior in such situations....
    Biology :

    This question may seem funny, but I think biology must have good answers. I think no more explanation is needed.

  • Q : Explain prostaglandin f2-alpha....
    Biology :

    I am trying to find information on Prostaglandin F2-alpha, specifically production in men.

  • Q : Explain the working of dna and rna bands....
    Biology :

    I use DNA green viewer in Lab to see DNA and RNA bands. Some peers told me it is carcinogenic and is not safe.

  • Q : Explain the working of chromosomes....
    Biology :

    The humans have been around for a few million years, other organisms longer yet. Changes that occur in the genome and propagate (may) eventually throw a new species ... or at least branch off the ol

  • Q : Compare the brain sizes of two populations of fish....
    Biology :

    I want to compare the brain sizes of two populations of fish. However, all the samples I have were fixed in 95% ethanol. As far as I know, 4% formalin is the normal fixative for soft tissues.

  • Q : What is going on biologically at molecular level with acne....
    Biology :

    What exactly is going on biologically at the molecular level with acne and causes breakouts?

  • Q : Why humans and cattle can stand smoke, but mosquitoes can''t....
    Biology :

    A well known way to have a rest of mosquitoes during camping is to stand in the fire's smoke. Moreover, I learned recently that shepherds in certain regions of Africa use the same tactic for cattle.

  • Q : How can you test if people are really seeing the same color....
    Biology :

    If I would show someone a yellow object and ask them, "is this object yellow?" That person would say "yes".But I could never know if my perception of the color yellow is the same as that other person'

  • Q : What happens when testosterone is inserted....
    Biology :

    I know that ingesting testosterone and other hormonal drugs may stimulate libido and increase sexual desire.But I wonder, if a man ingests female hormones such as estrogen, will he experience sexual d

  • Q : Do having long hair could be a disadvantage....
    Biology :

    Many people can grow extremely long head hair and facial hair.

  • Q : Describe cytochromes p450....
    Biology :

    Describe how cytochromes P450 are mediators of biochemical diversity and discuss their importance in the metabolism and detoxification of xenobiotic compounds.

  • Q : Explain the different stages of cell cycle....
    Biology :

    I could imagine that if this is possible, the selection mechanism might target cyclins, or use an artificial gene cassette controlled by them.So for example, a method may attach some gene to a certa

  • Q : Why are the bacteria and the eucaryotas eparate domains....
    Biology :

    As I understand it, the main difference between the Bacteria and the Eucaryota domains are that eukaryotes have a nucleus and bacteria don't.

  • Q : Is there inherent difficulty in cultivating marine organism....
    Biology :

    We cultivate a number of terrestrial organisms in greenhouses and stables where they live in completely artificial environments. This seems to extend far less to marine organisms, such as fish.

  • Q : Discussion papers....
    Science :

    Discussion papers, Hi, Please find the attachment file, read it carefully. I need summary for each topic about 175 words for each with reference in APA6 style in the end (from the article). Try to

  • Q : Hum....
    History :

    Hum, Find an example of a Renaissance painting not covered in class (painted between 1420 - 1570) that contains linear perspective.

  • Q : Orbital mechanics....
    Physics :

    Orbital mechanics, 1- a)Contact lenses being manufactured in space are returned in a re-entry capsule to earth for distribution and sale. If the re-entry velocity is 7.4 km/s and the re-entry flight

  • Q : American nationalism....
    History :

    American nationalism, In what ways was American nationalism strengthened in the early nineteenth century? In what ways was it challenged? Why did the War of 1812 take place? What resulted from it? Wha

  • Q : Thomas jefferson....
    History :

    Thomas jefferson, In what ways was Thomas Jefferson’s presidency a confirmation of his ideals? In what ways did it violate those ideals? Was Thomas Jefferson more successful in the domestic or foreign

  • Q : Please help me im desperate....
    Science :

    Please help me im desperate, a sustained force of 56n moves a model airplane 16m along its runway to provide the required speed for takeoff. find the kinetic energy at takeoff.

  • Q : What type of genetic drift has occurred....
    Biology :

    The Afrikaner population located in South Africa is descended from a small number of Dutch colonist. Huntingdon's disease, which affects cognitive and neuromuscular function, is particularly prevale

  • Q : Give detail about an arabidopsis thaliana gene....
    Biology :

    I'm looking for an Arabidopsis thaliana gene listed in RCSB with a clear mode of function and active site. In addition it needs to have an obvious phenotype when knocked out like severely retarded g

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