Describe population density
Describe briefly about the term population density?
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Population density is relation between number of individuals of population and region or volume they inhabit. For illustration, in 2001 the human population density of United States (according to the World Bank) was 29.71 inhabitants per square kilometer and China had a population density of 135.41 humans per square kilometer.
Extracellular digestion: It is that digestion in which food breaking into utile molecules which can be internalized by the cell is prepared in the extracellular space, that is, exterior the cell. In extracellular digestion the cells secret substances
What are the two main groups into which the cells are categorized? Answer: Cells can be categorized as eukaryotic or prokaryotic. Prokaryotic cell is t
What does radial symmetry signify? Describe the type of symmetry found in the chordates? Name the other phyla of animal kingdom that exist in species with radial symmetry?
Criticisms of the human relations approach Scientific validity: although the Hawthorne Experiments profoundly influenced the manager in managing their employees, the
Explain, how is reproduction of the arthropod characterized?
Give a brief explanation of typical vegetation and typical fauna of tundras.
What is PCR test? Briefly explain it. Answer: PCR test is the test to recognize the amino acid series in a polypeptide chain of a particular protein
Do membranes structure only outer wrapping of the cells?
Key structures within the cell nucleus: In the cell nucleus the key structures are: the nucleolus, an optically dense area, spherical shaped, where there are concentrated ribosomal RNA (that is, rRNA) related to proteins (there might be more than one
What is immuno electrophoresis?
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