Did you forget to attach the picture?
I believe that number 3 would be the correct answer, the 3 under the 2.
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Answer:
A — is a chemical substance that organisms require to live
NUTRIENT
Explanation:
A nutrient is a chemical substance required by living organisms to live. These nutrients can either be organic or inorganic, but basically either organic or inorganic are required for existence. this esential nutients are
- lipids
- protein
- carbohydrates
- vitamins
- Minerals
- water
<span>Basically, retrotransposons is transcribed
then reverse transcriptase produces a double-stranded DNA copy of the element
which is then inserted into the genome. In addition retrotransposons cont are
related to retroviruses that all carry pol and some contain gag. It is a none
encode env thus they can be reverse transcribed and inserted into host DNA but
are unable to produce viral particles. However a typical DNA transposon
transposed through consevative or replicative transposition. Thus these DNA
transposons are a group of transposable elements that can move in the DNA of an
organism via a single or double-stranded DNA intermediate. They have been found
in both prokaryotic and eukaryotic organisms. </span>
