4991417
Descripción
Fichas por Bee Brittain, actualizado hace más de 1 año
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Creado por Bee Brittain
hace más de 8 años
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| Pregunta | Respuesta |
| Name the 3 components of a DNA nucleotide | 1)Phosphate Group 2) Deoxyribose sugar 3) 1 of the 4 bases: Adenine, Thymine, Guanine and Cytosine |
| Name the three components of a RNA nucleotide | 1) Phosphate group 2) Ribose sugar 3) 1 of the 4 bases: Cytosine, Guanine, Adenine or Uracil |
| A dinucleotide is formed in what type of reaction? | Condensation |
| What bond is formed between two mononucleotides when they are joined together? | Phosphodiester bond |
| Where on the two mononucleotides does the phosphodiester bond form? | Between the sugar of one mononucleotide and the phosphate group of another |
| When lots of mononucleotides join together they form what? | A polynucleotide |
| What does DNA stand for? And what is its function? | DNA = Deoxyribonucleic Acid DNA stores genetic information. |
| What does RNA stand for? And what is its function? | RNA = Ribonucleic Acid RNA transfers genetic information from DNA to the ribosomes |
| What are ribosomes made of? | RNA and proteins |
| Name and pair up the four bases found in DNA | Adenine & Thymine Cytosine & Guanine |
| How many polynucleotide strands are there in DNA structure? | 2 |
| How are the strands of DNA held together? | There are Hydrogen bonds between the nucleotide bases |
| How many hydrogen bonds form between adenine and thymine? | 2 hydrogen bonds |
| How many hydrogen bonds form between Cytosine and Guanine? | 3 Hydrogen Bonds |
| The two strands in DNA go in opposite directions, this is known as them being ____________. | Anti-parallel |
| Describe 2 differences between the structure of DNA, and the structure of RNA | RNA has shorter polynucleotide chains than DNA. RNA is single stranded, where as DNA has two anti-parallel chains. |
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