![]() |
Erstellt von Isabella N
vor fast 7 Jahre
|
|
Frage | Antworten |
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 |
Möchten Sie mit GoConqr kostenlos Ihre eigenen Karteikarten erstellen? Mehr erfahren.