• Q : How classes of hormones specifically synthesized....
    Biology :

    1. Explain how are the three classes of hormones specifically synthesized? 2. Explain why is thyroid hormone unique, and how is it synthesized?

  • Q : Anabolic and catabolic reactions....
    Biology :

    Both anabolic and catabolic reactions occur in the seed and tree when it was young and growing, however then all reactions stopped when the tree reached a stable mass.

  • Q : Synthesis of triglycerides functions....
    Biology :

    At 20°C the enzyme that catalyzes the synthesis of triglycerides functions at 1 reaction every 25 microseconds.

  • Q : What sorts of functions might these shared genes have....
    Biology :

    Based on your understanding of evolution, describe how such different organisms could have this similar subset of genes. What sorts of functions might such shared genes have?

  • Q : What happen when microorganisms suddenly disappeared....
    Biology :

    Assume that all microorganisms suddenly disappeared from Earth. Would animals be able to survive? provide two reasons to justify your answer. Would plants be capable to survive?

  • Q : Normal expiratory reserve volume....
    Biology :

    Name the person would be more physically fit? - an individual with a normal expiratory reserve volume and extremely high vital capacity OR - an individual with an extremely high expiratory reserve v

  • Q : Advertisement for a zoo or a wildlife preserve....
    Biology :

    An advertisement for a zoo or a wildlife preserve. Your zoo or wildlife preserve is special as it features all five Kingdoms of life. Your advertisement can be in the form of a web page, poster, bro

  • Q : Do the three species occupy the same niche....
    Biology :

    Three different bird species live in the similar tree. one feeds at the top of the tree, the second feeds in the middle party of the tree, and the third feeds on the ground. do the three species occ

  • Q : Individual bones in the spinal column....
    Biology :

    Disks of rubbery cartilage are found between the individual bones in the spinal column. What function do you think these disks serve?

  • Q : Ionic basis of the membrane potential....
    Biology :

    Describe the ionic basis of the membrane potential, its relationship to ionic equilibrium potential and the Nernst equation.

  • Q : Effects of the extinction of the whooping crane....
    Biology :

    Do a four page assignment on the effects of the extinction of the whooping crane would have on the wetland biome. List all the abiotic factors and biotic factors which would cause the population to

  • Q : Vertical and lateral gene transfer....
    Biology :

    Which explains the outcome of both vertical and lateral gene transfer? leads to rapid evolution of a population increases variability in a population outcomes in large changes to the genetic code ta

  • Q : Equavalent amount of the enzyme....
    Biology :

    The reaction is an enzyme mediated reaction (A yields B+C) What happens when we employ equal amount of the enzyme and eliminate the products as they are produced ?

  • Q : Typical ph of the adult females vagina....
    Biology :

    What is the typical pH of the adult female's vagina? How is this pH maintained? Women who are on antibiotics can often develop a vaginal yeast infection. Describe why this can occur.

  • Q : Strategies for enhancing pathogenicity....
    Biology :

    Streptokinase is frequently adminsistered during a heart attack. Explain why might this be the case? Would this cause an infection in the patient? Describe.

  • Q : Why improper use of triclosan products be dangerous....
    Biology :

    Why can the improper use of triclosan products be dangerous? Explain how does triclosan work?

  • Q : Sterilization method problem....
    Biology :

    Which sterilization process would be the most efficient to sterilize nutrient agar which is to be used in the microbiology laboratory?

  • Q : Cells of escherichia coli....
    Biology :

    What will happen to the cells of Escherichia coli (an organism which genearlly grows in your intestine) if they were suddenly suspended in a solution of 20% NaCl? Describe.

  • Q : Listeria monocytogenes infections....
    Biology :

    Listeria monocytogenes infections are frequently transmitted via contaminated food. A person who has contracted listeriosis generally has a high fever, muscle aches, and gastrointestinal problems lik

  • Q : Gram negative bacterial cells....
    Biology :

    Some of the gram negative bacterial cells which are considered non-autolytic, which means they will not lyse or break down instantly after cell death.

  • Q : Transpeptidation of the peptidoglycan cell wall....
    Biology :

    The antibiotic penicillin interferes with transpeptidation of the peptidoglycan cell wall. In simple terms expain what this means. Give three reasons why this leads to lysis of the cell. During whic

  • Q : Strain of escherichia coli l....
    Biology :

    How would a strain of Escherichia coli look beneath a microscope if it had a mutation which inactivated the protein MreB compared to a strain that had a fuctional MreB? Describe two ways that the la

  • Q : Version of iron-predominating in early earth conditions....
    Biology :

    Name the version of iron which would predominate in early Earth conditions? Describe why. Which version of iron predominates today? Describe why. Outline the process by which modern bacteria obtain i

  • Q : Benefits of transgenic organisms....
    Biology :

    Please write down a 500-700 word scientific assessment report, summarizing at least two risks and two advantages of transgenic organisms to Canadians in EITHER agriculture or medical applications. U

  • Q : Potential danger of radiation leak....
    Biology :

    Given the damage to a nuclear power plant caused by  the earthquake and tsunami and the real and potential danger of radiation leak, proposed to the CEO of an utility company whether it must con

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