Respuesta :
Answer:
the correct option is:
A) DNA and RNA both contains codes that contribute to protein production. DNA remains in the nucleus while RNA more directly contributes to protein synthesis
What is DNA and RNA?
- Nucleic acids are divided into two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
- Nucleotides, which have a five-carbon sugar backbone, a phosphate group, and a nitrogen base, are used to make DNA and RNA.
- RNA transforms DNA into proteins to carry out biological activities, while DNA provides the code for the cell's functions.
How does DNA and RNA code for protein?
- DNA and RNA perform the two major cellular functions for protein synthesis ie, transcription and translation.
- Transcription converts DNA to RNA, which is then translated into protein.
- DNA Constructs a complementary RNA molecule to a DNA molecule.
- RNA employs a gene in DNA to make a strand of messenger RNA during transcription (mRNA). Then it reads the base molecules in the DNA and uses complementary base molecules to make an mRNA strand.
- This mRNA strand then attaces to the ribosme protein synthesis site for translation.
- Each codon in mRNA is made up of three nucleotides, and each codon indicates a certain amino acid (hence, it is a triplet code).
- The mRNA sequence is thus employed as a template for assembling the chain of amino acids that make up a protein in the correct order.
Hence, DNA remains in the nucleus and codes for RNA which directly codes for proteins.
other options are incorrect because
- DNA and RNA do not code for lipid digestion
- DNA and RNA do not code for carbohydrate synthesis.
- both DNA and RNA is fund in every organism eularyote or prokaryote.
learn more about DNA and RNA here:
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