Which of the following is the simplest unit of a nucleic acid

1 answer:

7 0

Nucleotides are made of a pentode sugar, a phosphate and a nitrogen base. Nucleotides are the building blocks of nucleic acids DNA and RNA which serve as the cell's store house of genetic information. All nucleotides are composed of three parts: a five-carbon sugar, a phosphate and a nitrogen-rich structure called a nitrogenous base. The sugar can be ribose which is found in RNA, or deoxyribose which is found in DNA. The only difference between these two sugars is that deoxyribose has one fewer oxygen atom than ribose.

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What must occur for protein translation to begin? A water molecule must be added to the protein chain. A peptide bond must form

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Answer:

A peptide bond must form between subunits of mRNA

Explanation:

Translation occur in the RIBOSOMES and it is the process where protein is produced by reading the genetic code of messenger RNA.

For translation to occur,A peptide bond must form between subunits of mRNA because it is through the formation of peptide bond between subunits of mRNA that the small ribosomal subunit binds to the start of the mRNA sequence. Then a transfer RNA molecule that carry Amino acids methionine binds to the start codon of the mRNA .The start codon in all mRNA molecules has the sequence AUG and codes for methionine.

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18 chromosomes

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if their somatic cell have 36 chromosomes then gamete have 18 chromosomes. because meiosis is a reduction division and produce gametes with half number of chromosomes. so their gametes recieve 18 chromosomes.

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