15974581
Description
Flashcards by Ellie Potellie, updated more than 1 year ago
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Created by Ellie Potellie
about 6 years ago
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| Question | Answer |
| What Does DNA Stand For? | Deoxyribonucleic acid |
| What Is The Structure Of DNA? | A double strand helix that is anti-parallal |
| What Are The Bases Used In DNA? | Adenine, Guanine, Thymine and Cytosine |
| What Are The Bases Held Together By? | Hyrdrogen Bonds |
| How Are Nucleotides Held Together? | Nucleotides are held together by strong covalent bonds |
| How Many Types Of Cells Are There? | Three |
| What Are They're Names? | •Prokaryotic • Eukaryotic •Archea |
| How Is DNA Arranged In A Prokaryotic Cell? | DNA is arranged in circular chromosomes with associated proteins |
| How Is DNA Arranged In A Eukaryotic Cell? | DNA is packaged in linear chromosomes with associated proteins |
| How Are Fungal Cells Arranged? | They have circular plasmids |
| How Are The Chloroplast & Mitochondrion Arranged? | They have circular chromosomes and DNA Inside them |
| Describe A Plasmid | A small circular, double-stranded DNA molecule found in bacteria |
| What Is Semi-conservative Replication? | Semi-conservative Replication Is when an original strand and a new strand form new DNA ie Daughter Strand |
| What Is Needed For DNA Replication? | • ATP [Energy] • Enzymes • DNA Nucleotides • DNA strands as template primers |
| What Is DNA Polymerase? | DNA Polymerase is an enzyme |
| What Are The Proteins DNA Are Associated With Called? | DNA Is associated proteins called histones in the nucleus |
| What Does It Do? | Adds nucleotides to the newly synthesise strands |
| What Is The Structure Of A Nucleotide? | The structure of a nucleotide consists of a sugar (deoxyribose), one of four bases cytosine (C), thymine (T), adenine (A), guanine (G), and a phosphate. |
| How Many Carbons Are In A Sugar In A Nucleotide? | Five |
| What Is The Five-Carbon Sugar Called? | Ribose |
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