Describe what are twins
Describe what are twins?
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Twins are simultaneously produced (in the mother’s uterus) offspring. Twins categorize according to zygosity as monozygotic or as dizygotic twins.
Cell theory: The Cell theory is a theory which asserts that cell is the constituent unit of the living beings. Prior to the discovery of the cell, it was not accepted that the living beings were made up of building
Do amine and the carboxyl groups joined to central carbons contribute in the union among amino acids?
What is the significance of water for an enzymatic activity?
Into which groups are living beings categorized?
What are the types of neurons which participate in the spinal arch reflex? Name the place where their cell bodies located?
State some factors through which the organism can understand that the process of clotting should begin?
How may the coacervates be made up of the phospholipids or polypeptides?
Of which substance do elastic fibers of connective tissue are made? Write down the some functions of these fibers?
Whether tubular-dorsal nervous system of chordates is associated with the radial or lateral symmetry? How does this explain the complexity level of nervous system achieved by the vertebrate evolutionary branch?
Give the main morphological features of the arthropods? Answer: Arthropods give three distinguishing features: they are metameric beings (that is, segmented body), t
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