Answer:
B. Prokaryotic and Eukaryotic
Explanation:
Cells are of two types: eukaryotic, which contain a nucleus, and prokaryotic, which do not.
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I think the first option is the answer.
Answer:
At least 17 PCR cycles or 16 PCR cycles
Explanation:
As we know -
In one chain of heating and cooling of polymerase chain reaction (PCR), the strands of DNA gets doubled.
The general mathematical representation of this is

where "n" is the number of PCR cycles.
It is given that DNA strands to be produced is 16 times the original quantity of DNA.
So the PCR cycle must be carried out at least 17 times in order to have DNA strand not less than 16 times the original quantity of DNA
The function of tRNA is to read the messages of the nucleic acids, and then translate it into amino acids.
The kidneys secrete an enzyme called renin