Answer:
organic nitrogen is the nitrogen that occurs in organic compounds whereas the inorganic nitrogen is nitrogen that occurs in inorganic compounds while .
Explanation:
organic nitrogen
Organic compounds are chemical species containing C and H atom as essential components. When these compounds contain nitrogen as well, this nitrogen is organic nitrogen
inorganic nitrogen
inorganic compounds are chemical species that has chemical elements other than carbon and hydrogen.
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Answer: Light
Explanation: Light can travel in empty space or vacuum. It doesn't need any medium to which it travels.
Answer: rough endoplasmic reticulum--b
Smooth endoplasmic reticulum--a,c,d
Explanation:The rough endoplasmic reticulum has numerous ribosomes attached to it. Thus it has a coarse texture.it is involved in the production of proteins. The ribosomes receives the messages to produce a protein from the messenger RNA, the ribosome the packs amino acid into proteins and transfers it to the rough endoplasmic reticulum.
The smooth endoplasmic reticulum does not have ribosomes attached.it is involved in the production of non-protein molecules eg lipids and fats.
It is an also important organelle for the metabolism of the cell.it helps in detoxification in the liver. It also stores calcium for use in the skeleton.The sarcoplasmic reticulum is an modified smooth endoplasmic reticulum
The answer is false
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Answer:
Dmitri Ivanovsky
Explanation:
Dmitri Ivanovsky utilized one of these filters in 1892 to demonstrate that despite being filtered, sap from a diseased tobacco plant remained infectious to healthy tobacco plants. The filtered, infectious substance was dubbed a "virus" by Martinus Beijerinck, and this discovery is regarded as the origin of virology.
