<span>A water molecule is a polar molecule because ot the shape of its molecule. One side of the water molecule is positively charged while the other is negatively charged. The oxygen and the hydrogen atom in water shared electrons by covalent bonding, the oxygen atom has a slight negative charge and attract most of the electron to itself.</span>
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AP Biology Question:
Scientists are testing substance L to determine how it enters mammalian cells in a culture. The cells maintain a 120 millimolar (mM) intracellular concentration of substance L . The scientists determined the rate of entry of substance L into the cells at various external concentrations of substance L (10 to 100 mM) in culture medium (Table 1).
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The carbon dioxide is one of the green house gases and mainly responsible for the increase of the earth's temperature. The plants uses the carbon dioxide for the photosynthesis process.
The plants that are exposed to the normal carbon dioxide can be used as a control in this experiment. Then the scientists will notice that if the amount of carbon dioxide is increased, does it show any positive or negative effects in the experiment.
Exomars is the mission
that is set to explore Mars.
To add, Exobiology on Mars or ExoMars is Martian astrobiology project that aims
to look for evidence of life on Mars and it is a two-part Mission by <span>European and Russian Space Agency.</span>
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Human genetic code is the information present in genetic material that is changed into proteins by the combination of amino acids. With the help of this, we can check whether an organism is suffering from some disease or not . As it explains the order of amino acids to synthesize protein .
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