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DNA Worksheet

Answer the following in at least 100 words:

1. Describe the structure of DNA.

A DNA molecule which is the abbreviation for deoxyribonucleic acid is made up of precise lengthy chains of polymers and monomers and they are called nucleotides. These two (2) chains specifically which are composed of DNA strain are then molded by the grouping of the nucleotides into the polynucleotides. The nucleotide is composed of a nitrogenous base, a phosphate and a group. In DNA there are four (4) nucleotides that can be found along the DNA chain. These four (4) nucleotides are (T) thyme, (A) adenine, (C) cytosine, and (G) guanine. These four (4) nucleotides are fused together by their covalent bonds. In other words the sugar and the phosphates which composes the sugar/phosphate support of the polynucleotide.

2. How does an organism’s genotype determine its phenotype?

An organism’s genotype is the genetic makeup of that organism. This is the bases of nucleotide in the organism’s DNA. The phenotype is the distinction between an organism’s physical traits, in which it derives from the actions of the broad variety of proteins. The buildup of an organism is composed of the structural proteins and the metabolic activities that are catalyzed by the enzymes. The combination of the proteins is quantified by the DNA. Nonetheless a protein is not assembled by a gene, nevertheless communicates the instructions to do so in the form of the RNA. This programs the process of the protein.

3. Describe each stage of the flow of information starting with DNA and ending with a trait.

"DNA nucleotide bases consist of a particular code. Specific strands of this code are termed genes." (Simon, Reece, & Dickey 2010) A specific trait expression begins with genes code for particular proteins. In eukaryotic cells in the dictation this stage from DNA to RNA transpires in the nucleus and then RNA is handled before it enters the

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