Explanation:
1.Structure of virus- Schleiden and Schwann could not explain the structure and functioning of virus cell. They said that the function of body is coordinated function of cell which is not true in the case of virus because it only starts it's functioning when hosted by bacterial, plant or animal cell.
2.Prokaryotic cells- The cell theory do not holds true in the case of Pk cells because they do not have any well defined nucleus.
3.Multinucleate condition- The cell theory says that each cell have A NUCLEUS, but there are certain cells like tapetal cells that are coenocytic.
4.Cells without nucleus- Acc to cell theory there should be a nucleus in every cell, but human RBCs, sieve tubes of angiosperm are some of the cells lacking nucleus.
Answer:
The correct answer will be option- three RNA polymerase
Explanation:
The RNA polymerase is the enzyme which helps the process of formation of RNA from DNA during transcription.
Prokaryotes possess only one type of RNA polymerase which form all type of RNA whereas the eukaryotes possess three types of RNA called RNA polymerase I RNA, polymerase II and RNA polymerase III.
These RNA polymerases catalyse the synthesis of different RNA in eukaryotes as RNA polymerase I help in the synthesis of rRNA, RNA polymerase II in miRNA, mRNA, snoRNA and RNA polymerase III in 5S rRNA and tRNA.
Thus, three RNA polymerase is the correct answer.
The cause of the mass drop of population of Hispaniola before 1542 was due to the Smallpox outbreak. The first outbreak of smallpox, occurred during December 1518 or January 1519. The Smallpox Outbreak, claimed the lives of almost 90% of the Native Americans. By 1548, the population of Taino had declined and lessen to fewer than 500 people.
Answer:c
Explanation:ADP stands for Adenosine di phosphate.Di means two phosphate groups.ATP stands for Adenosine true phosphate.Tri means three Phosphate groups.
