Question

Can I have a one paragraph explanation for each of the following: the biochemical structure of DNA, how DNA replicates, how the DNA structure forms the genetic code, and how that genetic code comes to be expressed as a phenotype.

Answer 1

@Abhisar ?

Answer 2

DNA is a polymer. The monomer units of DNA are nucleotides, and the polymer is known as a "polynucleotide." Each nucleotide consists of a 5-carbon sugar (deoxyribose), a nitrogen containing base attached to the sugar, and a phosphate group. There are four different types of nucleotides found in DNA, differing only in the nitrogenous base. The four nucleotides are given one letter abbreviations as shorthand for the four bases.

A is for adenine
G is for guanine
C is for cytosine
T is for thymine

Answer 3

1) phosporlated double helix with bases
2) helicase -> transcriptase -> reverse transcriptase
3) triple sets of bases become codons that enzymatically define the synthesis of an amino acid
4) large sets of enzymatically defined proteins cause descriptive characteristics

Answer 4

DNA replication occurs with the help of enzymes like `Helicase` which helps in unzipping" of the hydrogen bonds between the base pairs

Answer 5

Genetic codes are transcripted into RNA which in turn gets translated into proteins with the help of ribosomes. These amino acids combine to form different types of proteins which are responsible for the phenotypes.

Answer 6

The DNA structure contains the various nucleotides in a certain sequence (which is different for different DNA). This sequence or nucleotide sequence forms the basis of genetic code

Answer 7

Getting it ?

Answer 8

I understand. Thanks!

Answer 9

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Answer 10

yup