Flashcards
Gen. Lec. Notes 10/20-10/23 (Chapter 10)
Cards in this deck (34)
- 1DNA is short for?Deoxyribose acid
- 2DNA is shaped as a_____, made of ____?pentose; sugar
- 3Pyrimidines + purines are?organic nitrogenous bases
- 4RNA is short for?Ribonucleic acid
- 5Pyrimidines are ___ rings.Single
- 6Name the (3) pyrimidinesCytosine, thymine, uracil
- 7Purines are ___ rings.Double
- 8Name the (2) purinesGuanine, adenine
- 9How is nucleoside made?A base bound by its OH to the H of a pyrimidine/purine
- 10A nucleoside has what (2) things?A nitrogenous base + pentose sugar
- 11A nucleotide has what?A phosphate + nucleoside
- 12_____ are the basic building blocks to ____.Nucleotides; DNA
- 13On a nucleotide, the ______ groups is on _-_' position?Phosphate; C-5'
- 14What is difference between nucleoside DIphosphate + nucleoside TRIphosphate?Diphosphate = (2) phosphates, trisphosphate = (3) phosphates
- 15DNA is a ____ molecule.Polar
- 16Nucleotides' phosphate groups are linked by _____ bonds, always directionally linked _' to _'.phosphodiester; 3, 5
- 17The __ group is alway on the _' carbon.OH; 3
- 18Chargaff's rule/equation(A+T) = (C+G)
- 19Who's rule states that the % of (C+G) =/= % of (A+T)?Chargaff's rule
- 20______ + _____ discovered the ______ _____ model using Franklin's X-ray pic.Watson, Crick; 2x helix
- 21Watson + Crick knew what (2) things about DNA?It has a helical structure + has (2) polynucleotide strands
- 22DNA strands are __________ + bases are ______ on ___ of each other.antiparellel; stacked, top
- 23Base pairings are...?A—T + G—C
- 24There are how many base pairs per helix turn?10
- 25A-T has how many H-bonds between each other?2
- 26G-C has how many H-bonds between each other?3
- 27How is the DNA structure stabilized?The arrangements of base pairings
- 28Separation of DNA is called...?Denaturation
- 29Renaturation of DNA is called what?Hybridization
- 30Hybridization of DNA is when?(2) complementary DNA strands join together
- 31Hyperchromic shift is seen during?DNA denaturation/heating
- 32How is hyperchromic shift measured and what does it determine?By the melting point of DNA; the base composition of DNA
- 33The higher the _______ point of DNA, the higher base pairings of _—_.Melting; G,C
- 34Separating H-bonds in DNA structure is _______.Irreversible
Information
- Description
- DNA as the genetic material, part 2.
- Created by
- Isabella N
- Views
- 16
- Tags
- Rating