Life on earth
Illustrate that when did the life appear over earth?
Expert
It is estimated that the life over earth is emerged around 3.5 billion years ago, therefore 1 billion years after the formation of the planet.
What do you mean by the term antigen?
Describe "gene expression signature" for a tumor?
Name the intracellular organelles present in the bacteria?
Can two normal individuals of similar species with sexual reproduction contain similar genomes and similar karyotypes? How the human karyotype is generally symbolized?
Name the three main kinds of RNA? What do you mean by heterogeneous RNA?
Name the processes of photochemical phase of the photosynthesis method?
Name the cells which form the cartilaginous tissue?
Which cell organelles participate in cell division and in formation of cillia and flagella of the eukaryotic cells?
What is the basic difference among the concepts of genome and karyotype?
Give a brief description of the term neuromuscular synapse?
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