Answer:
A. Ribosome
Explanation:
Ribosome is a sub cellular structure, that is involved in protein synthesis.
Mitochondria is a sub cellular structure, where cellular respiration takes place, therefore it is called the energy house of the cell.
Cytoplasm is a jelly like structure in which sub cellular structures are found.
Nucleus is the main part of the cell in which all cellular activity is controlled by.
It contains DNA and RNA.
Nucleus is mostly known for it's thread like structure that contains hereditary information which is passed from parents to offspring.
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Carolus (Carl) Linnaeus (1707-1778) built on Aristotle's work to create his own classification system. He invented the way we name organisms today, with each organism having a two word name. Linnaeus is considered the inventor of modern taxonomy, the science of naming and grouping organisms.Nov 30, 2012
Chargaff's rule states that A (adenine) only bonds with T (thymine) and C (cytosine) only bonds with G (guanine) in a DNA strand. Since DNA replication is semi-conservative, this complementary base pairing allows two of the DNA molecules to be identical to each other as they have the same base sequence. The new strands made are complementary to their template strands and also identical to the other template. Complementary base pairing is important in the conservation of the base sequence of DNA because adenine always pairs with thymine, while guanine pairs up with cytosine. All in all, complementary base pairing has a huge role in the conservation of the base sequence of DNA.
I believe its air pressure but im not sure