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| The foreign DNA strands are parallel |
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Definition
| Suppose a scientist explores a distant planet and discovers a novel form of double stranded DNS. When this nucleic acid is exposed to normal DNA polymerases, replication takes place continuously in both directions. What conclusion would be most consistent with this observation? |
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| Duplicated copies of genes that have undergone sufficient mutations to render them un-transcribable are called |
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| most of the genes that encode proteins are found in |
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| the 5' to 3' polarity restriction of DNA polymerase |
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| the lagging strand produced during DNA replication is caused by? |
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| replication begins at sequences called |
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| DNA replication results in |
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| splicing of hrRNA takes place within what large complex that consists of snRNAs and proteins |
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| What is the initiator triplet in both prokaryotes and eukaryotes? What amino acid is coded for by this triplet? |
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| introns are removed from mRNA before translation |
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Definition
| Introns are known to contain termination codons (UAA, UGA, UAG) yet these codons do not interrupt the coding of proteins. Why? |
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| the protein that is important for the final condensation of chromosomes and the appears at the G2/M boundary of the cell cycle is |
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| the model hypothesized to explain the condensation of DNA into chromosomes is termed the |
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| what name is given to the three bases in a messenger RNA which bind to the anticodon of tRNA to specify an amino acid placement in a protein? |
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| the genetic code is fairly consistent among all organisms. the term often used to describe such consistency in the code is |
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| all 3 occur in the nucleus |
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Definition
| Three post-transcriptional modifications often seen in the maturation of mRNA in eukaryotes occur where? |
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| false - because the code is degenerate |
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Definition
| If one knows the exact sequence of amino acids in a peptide it is easy to determine the nucleotide sequence in the mRNA that was used in translation. |
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Definition
| Peptidyl transferase is involved in |
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| three different RNAs are required during |
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| aminoacyl synthetase plays a role in |
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| Ribosomes are formed during |
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| DNA polymerase is required during |
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| semi-conservative is a term applied to |
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| SNURPs can be important during |
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| charged tRNAs move into A sites during |
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| separation of homologs during Anaphase I of Meiosis |
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| Mendel's 1st Principle describes the |
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| The National Institutes of Health (NIH) maintain a repository of DNA and protein sequences. This repository is known as |
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| Excess adipose (fat) has been identified as one cause of rapid ageing. This is believed to occur because of adipose's negative effect on |
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| telomeres adds nucleotides to the |
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| uracil is an example of what and is only found in what |
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| the % of GC would be greater than the % of AT |
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Definition
| Which genome characteristics would likely be representative of an organism found inhabiting the hot springs that supply water to the Roman spas in Bath, England? |
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Definition
| chain termination sequencing of DNA works because what are included in small amounts in each reaction tube. |
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Term
| transcriptional units in the form of unique and duplicated genes; highly and moderately repetitive sequences; tandemly repeated transcriptional units |
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Definition
| the eukaryotic genome is composed of |
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Definition
| if a peptide occurs in one of your cells that is 50 amino acids long, what is the minimum number of nucleotides that would have been required for efficient translation? |
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Term
| facultative heterochromatin |
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Definition
| an inactivated x chromosome is an example of |
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Definition
| initiation of translation |
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| required to initiate transcription |
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| complimentary to antisense |
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| catalyzes amino acid addition to tRNA |
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| added post-transcriptionally |
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| the region of DNA that comprises what is traditionally called a gene is known as the |
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| telomerase is an enzyme involved in the replication of the ends of eukaryotic chromosomes |
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Definition
| Which is contains more genes and is less dense, euchromatin or heterochromatin? |
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Definition
| regulatory elements which serve as coordinators of gene transcription |
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Term
| RNA which is removed during RNA processing |
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Definition
| an intron is a section of |
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Term
| 5'-capping, 3'-poly(A) tail addition, splicing |
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Definition
| Three posttranscriptional modifications often seen in the maturation of mRNA in eukaryotes |
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Term
| have more DNA than needed to encode all essential genes |
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Definition
| The C-value Paradox suggests that higher organisms |
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Definition
| Cot Curves provide info about the size and what of genomes |
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Term
| changing of the tRNA; initiation; elongation of the peptide chain; termination |
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Definition
| translation involves four primary steps, list them in order |
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Definition
| reading frames are defined |
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Definition
| TATA consensus sequences are involved |
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| peptidyl transferase is active |
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Definition
| "hairpin" structures may be present |
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Definition
| rna-rna complexes are formed |
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Definition
| three different RNAs are required |
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| during replication, what adds a short length of RNA to the new DNA strands |
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| termination of transcription |
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Definition
| ends of genes are gc rich. these regions allow the formation of hairpin loops which contribute to |
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Definition
| the promoter region of a gene is used specifically to |
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| replication occurs during the what phase of Mitosis |
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Definition
| an enzyme involved in the replication of the ends of eukaryotic chromosomes |
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Definition
| spliceosomes are found where and help to do what |
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| Regions of DNA that comprise what are traditionally called genes are most commonly associated with which type of chromosome region? |
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Definition
| autocatalytic splicing is most associated with |
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Definition
| the third position of many codons can vary yet still code for the same amino acid. This observation results in the genetic code being termed |
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Definition
| what are examples of Facultative Heterochromatin |
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Term
| there are more codons than amino acids |
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Definition
| the genetic code is said to be degenerate because |
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| In living systems, how many amino acids are formed, and what group does each amino acid differ by? |
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Definition
| what are commonly found on the exterior surfaces of proteins |
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Definition
| what is the highly conserved sequence which serves as the binding site for RNA Pol |
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| nonfunctional sequences due to significant substitution of deletions in the nucleotide sequence |
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