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The "Big bang theory" explains the origins of universe. Before there could be life on Earth, there required to be a planet and universe to consist of that life. Edwin Hubble discovered that the universe is expanding. From this rate of expansion, scientists were able to find that the universe started from a single point of compressed gasses 15 billion years ago. The explosion of that point of compressed gas outward is "Big bang theory". From that explosion stars were formed and over time space debris and eventually planets
The "Primordial soup" includes the mixture of elements and gases which are thought to have started life on the Earth.
Describe Miller and Urey's experiment.
In an experiment you are studying a neuron that receives synaptic inputs from two other neurons: one from neuron A and one from neuron B. Illustrate a separate graph for each value of Vm.
Describe how body combats an invading bactrum. Address both specific and nonspecific immunity and the cells that are involved in each process. Once that is done cross the alveolar membrane and trace your route out of the body through the nose.
How will you find out the transcription factor binding sites in the whole genome. You have isolated a novel transcription factor. How would you decide the genes regulated by transcription factor in the whole genome.
Explain how this could be considered a negative feedback mechanism. The amino acid residues at the active site are highly hydrophobic. In designing a drug that would bind to the active site and jam it, researchers must use which type of molecule.
Which of the next statements is untrue of the light reaction in photosynthesis.
Set up the suitable two-by-two table and determine a measure of association between current smoking and myocardial infarction. Determine a measure of the excess risk of myocardial infarction in cigarette smokers that is attributable to their smoking.
Women's bladders, on average, are smaller than those of men. The distribution of bladder volume in women is approximately N (400, 75) in milliliters. Find the proportion of women's bladders with a volume between 500 and 600 ml.
What part of the sewage treatment plant deals with insoluble and complex organic wastes? Which molecule contains more energy, X or Y.
Consider a transmembrane protein complex that forms a hydrophilic pore across the plasma membrane of a eukaryotic cell. The pore is made of five similar protein subunits, each of which contributes a membrane-spanning alpha-helix to form the pore.
What are the underlying mechanisms that help assist a species to originate using sympatric speciation although they are not reproductively isolated like in allopatric speciation.Diversity within species that is using sympatric speciation.
Where does the label show in mevalonate. A spherical ball of solid, nonporous naphthalene (as in a "moth ball") is suspended in still air; naphthalene ball slowly sublimes, releasing the naphthalene into the surrounding air by molecular diffusion lim..
Modern theory suggests that the early pre-life atmosphere on Earth was a reducing one. Why is it believed that oxygen was not present as life formed on Earth.
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