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Eukaryote genomes frequently contain far more DNA than is essential to the development or functioning of the organism C-value paradox TERM 2 Cot Curves provide information about the _____and _____of genomes DEFINITION 2 Complexity and size TERM 3 Regions of DNA that comprise what are traditionally called Genes are most commonly associated with.... DEFINITION 3 unique DNA TERM 4 Non-coding but can be transcribed DEFINITION 4 Moderately repetitive TERM 5 Lighter staining areas of chromosomes DEFINITION 5 euchromatin
Tightly coiled dark staining heterochromatin TERM 7 Two types of heterochromatin DEFINITION 7 constitutive (always dense)Facultative (goes in or out) TERM 8 In staining pictures of chromatin it is most likely photographed in what stage of the cell cycle DEFINITION 8 Mitosis/Meiosis TERM 9 Helicase DEFINITION 9 the enzyme that accomplishes the unwinding of the original double stranded DNA molecule once supercoiling has been eliminated by breaking the hydrogen bonds that hold the two strands together TERM 10 A repeating DNA sequence at the end of chromosomes that prevents them from losing base pair sequences at their ends are called... DEFINITION 10 Telomere
Barr Bodies are considered to be examples of Facultative Heterochromatin TERM 17 Centromeres and telomeres are considered examples of: DEFINITION 17 Constitutive Heterochromatin TERM 18 The formation of RNA into Lariat structures is a feature often associated with DEFINITION 18 Spliceosomes TERM 19 Region upstream of a gene which control the RATE and COPY NUMBER of transcription: DEFINITION 19 CCAAT box TERM 20 Binding site for protein: ON/OFF DEFINITION 20 TATA box
"coordinator" in the consensus sequence Enhancer TERM 22 An unusual nucleotide, 7-methylguanylate, that is added to the 5' end of hrRNA during or immediately after transcription is called? It helps ribosomes attach for translation DEFINITION 22 Cap TERM 23 Non-protein coding regions of DNA that are not part of the code for the final protein DEFINITION 23 introns TERM 24 protects mRNA from degradation in the cytoplasm DEFINITION 24 Poly A tail TERM 25 ____contain short sequences (motifs) critical in the binding of RNA Pol to the DNA strand DEFINITION 25 Promoters
What would be there if you took apart a spliceosome RNA and proteins TERM 32 5 + nucleosomes looped together DEFINITION 32 solenoid TERM 33 width of entire solenoid DEFINITION 33 30nm TERM 34 in a solenoid with six nucleosomes how many base-pairs of DNA would be accounted for? DEFINITION 34 200 * 6= 1200 TERM 35 The protein that is important for the final condensation of chromosomes and that appears at the G2/M boundary of the cell cycle DEFINITION 35 lamin
The model hypothesized to explain the condensation of DNA into chromosomes is termed.... folded fiber model TERM 37 successful binding of RNA Pol and linkin gof the first few nucleotides of hrRNA correspond to the end of which stage of transcription DEFINITION 37 Initiation TERM 38 HDAC and HAT proteins interact with______which allows DNA to be available or not available for transcription DEFINITION 38 nucleosomes TERM 39 Nonfunctional DNA sequences due to significant substitution or deletions in the nucleotide sequence are termed DEFINITION 39 pseudogenes TERM 40 Enzyme used in elongation that links two amino acids and release of tRNA in P site DEFINITION 40 Peptidyl transferase
The region of DNA that comprises what is traditionally called a gene is known as the transcriptional unit TERM 47 Regions of DNA that comprise what are traditionally called genes are most commonly associated with which type of chromosome region DEFINITION 47 euchromatin
