Term
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Definition
| partial diploids (zygotes) resulting from the interruption of conjugation |
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Term
| The untranslated sequence at the 5' end of an mRNA molecule is called ________ sequence. |
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Definition
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Term
| To what, other than the template strand of the gene from which it was transcribed, is the leader sequence complementary? |
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Definition
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Term
| What is the base sequence of the Pribnow box? |
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Definition
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Term
| What is the template base sequence which specifies the start codon? |
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Definition
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Term
| What is the template base sequence which specifies the chain termination codon? |
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Definition
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Term
| Name the protein which recognizes the codon UAG. |
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Definition
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Term
| Name the protein which is involved in translocation. |
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Definition
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Term
| Name the protein which recognizes the codon UGA. |
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Definition
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Term
| Name the protein which breaks the bond between 3'-A of charged tRNA and its amino acid. |
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Definition
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Term
| Name the protein that complexes with n-formylmet tRNA and GTP. |
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Definition
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Term
| Name the protein that complexes with GTP and incoming charge tRNA prior to its insertion into 50S subunit of ribosome. |
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Definition
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Term
| Name the protein which is responsible for the formation of a peptide bond. |
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Definition
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Term
| The general procedure for mapping new E. coli genes is to determine the approximate location of the gene by conjugation, using several Hfr strains, and then to determine the precise locatio of the gene by ___________ experiments. |
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Definition
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Term
| What proteins are found in the 50S subunit of bacterial ribosomes? (How many different proteins are present and what symbols are used to denote them?) |
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Definition
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Term
| The incorporation of donor DNA into the host cell chromosome during transformation results in the formation of a partial. |
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Definition
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Term
| The uptake of naked DNA by a bacterium is called ___________. |
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Definition
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Term
| Bacteria containing integrated F plasmids are called _____________ strands. |
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Definition
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Term
| In bacteria the site of RNA polymerase binding to the DNA template is called the ________ region of a gene. |
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Definition
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Term
| T or F: the only tRNA which never occupies the aminoacyl site in the 50S subunit of the ribosome during translation is n-formylmet tRNA. |
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Definition
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Term
| T or F: During amino acid activation, the amino acyl tRNA synthetase catalyzes the formation of an ester bond between the 3'terminal nucleotide of the uncharged tRNA and the amino group attached to the alpha-carbon of the amino acid. |
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Definition
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Term
| T or F: Transformation does not occur in E. coli cells except under very unusual conditions in the laboratory. |
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Definition
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Term
| In their transduction experiments, Zinder and Lederberg found that the cells of strain A Salmonella (donor cells) were lysogenic for phage P22. |
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Definition
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Term
| Some kinds of viruses are incapable of bringing about generalized transduction due to the fact that during the infection cycle, the host cell DNA is completely degraded prior to virion assembly. |
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Definition
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Term
| T or F: When Griffith injected mice with a mixture of living Type II-R bacteria and heat killed type III-S bacteria, he recovered living type II-S bacteria from the bloodstreams of the deceased animals. |
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Definition
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Term
| T or F: Hotchkiss and Marmer foudn that double transformation occurs at appreciable rates only if both genes are extracted from the same donor cell. |
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Definition
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Term
| T or F: the Chain initiation codon is closer to the 5' end of mRNA than to the 3' end. |
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Definition
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Term
| In tRNA molecules which contain ribothymidylic acid, the conversion from uridylic acid is the result of the action of a(n) _____ enzyme. |
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Definition
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Term
| _________ is a nucleotide, found in some types of tRNA, wherein uracil is attached to ribose by a covalent bond between the no. 5 carbon of uracil and the no. 1 carbon of ribose. |
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Definition
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Term
| The presence of inosinic acid in tRNA molecules results from the post-transcriptional modification of ______. |
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Definition
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