11151931
Descripción
Fichas por Isabella N, actualizado hace más de 1 año
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Creado por Isabella N
hace alrededor de 7 años
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| Pregunta | Respuesta |
| DNA is short for? | Deoxyribose acid |
| DNA is shaped as a_____, made of ____? | pentose; sugar |
| Pyrimidines + purines are? | organic nitrogenous bases |
| RNA is short for? | Ribonucleic acid |
| Pyrimidines are ___ rings. | Single |
| Name the (3) pyrimidines | Cytosine, thymine, uracil |
| Purines are ___ rings. | Double |
| Name the (2) purines | Guanine, adenine |
| How is nucleoside made? | A base bound by its OH to the H of a pyrimidine/purine |
| A nucleoside has what (2) things? | A nitrogenous base + pentose sugar |
| A nucleotide has what? | A phosphate + nucleoside |
| _____ are the basic building blocks to ____. | Nucleotides; DNA |
| On a nucleotide, the ______ groups is on _-_' position? | Phosphate; C-5' |
| What is difference between nucleoside DIphosphate + nucleoside TRIphosphate? | Diphosphate = (2) phosphates, trisphosphate = (3) phosphates |
| DNA is a ____ molecule. | Polar |
| Nucleotides' phosphate groups are linked by _____ bonds, always directionally linked _' to _'. | phosphodiester; 3, 5 |
| The __ group is alway on the _' carbon. | OH; 3 |
| Chargaff's rule/equation | (A+T) = (C+G) |
| Who's rule states that the % of (C+G) =/= % of (A+T)? | Chargaff's rule |
| ______ + _____ discovered the ______ _____ model using Franklin's X-ray pic. | Watson, Crick; 2x helix |
| Watson + Crick knew what (2) things about DNA? | It has a helical structure + has (2) polynucleotide strands |
| DNA strands are __________ + bases are ______ on ___ of each other. | antiparellel; stacked, top |
| Base pairings are...? | A—T + G— C |
| There are how many base pairs per helix turn? | 10 |
| A-T has how many H-bonds between each other? | 2 |
| G-C has how many H-bonds between each other? | 3 |
| How is the DNA structure stabilized? | The arrangements of base pairings |
| Separation of DNA is called...? | Denaturation |
| Renaturation of DNA is called what? | Hybridization |
| Hybridization of DNA is when? | (2) complementary DNA strands join together |
| Hyperchromic shift is seen during? | DNA denaturation/heating |
| How is hyperchromic shift measured and what does it determine? | By the melting point of DNA; the base composition of DNA |
| The higher the _______ point of DNA, the higher base pairings of _—_. | Melting; G,C |
| Separating H-bonds in DNA structure is _______. | Irreversible |
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