Oligonucleotide primers associate by hydrogen bonding to specific sections; primers are then extended.
It's some change in the conditions around the organism, which the organism can detect and respond to. A change in temperature, more light, or something physically poking the organism are examples.
Euglena are a unicellular organism. They are classified into the Kingdom Protista. They are then further classified into the Phylum<span> Euglenophyta. All euglena can make their own food by photosynthesis.</span>
RNA viruses can copy themselves which is harder for scientists to give an accurate conclusion to solve them.
