Bacterial operon - Study guides, Study notes & Summaries

bacterial DNA 1-2 circular chromosomes, DNA is much longer than the cell, replicates right before binary fission, found in the cytoplasm Prokaryotic chromosomes circular, one origin of replication, 1000 nucleotides/second, primer removal = DNA polymerase 1, strand elongation = DNA polymerase III eukaryotic chromosomes multiple linear strands, have centromeres and telomeres, need to separate, multiple origins of replication, 100 nucleotides/second; primer removal = RNAse H; elongationpoly...

AP Biology: Unit 6 Exam Latest Update Graded A+ 5 end and 3 end -5 end gets a modified nucleotide 5cap - 3 end gets a Poly-A-tail Avery, McCarty and Macleod Announced that the transforming substances was DNA Bacterial transformation Transformation is the process by which foreign DNA is introduced into a cell. Transformation of bacteria with plasmids is important not only for studies in bacteria but also because bacteria are used as the means for both storing and replicating plasmi...

Genetics Exam 2 practice exam 107 Questions with Verified Answers In five Hfr strains, each of which was used to build a time-of-entry map, the genes entered the recipient cells as follows: Strain 1: S L A C T F Strain 2: N P F T C A Strain 3: T F P N U Y Strain 4: S H Y U N P Strain 5: U N P F T C Which of the following represents a correct compilation of these results? A) S L A C T F P N H C U B) N P F T S L A C H U T C) T C A L S P N U Y H D) U N P F T C A L S T F E) S L A C T F...

the calvin cycle reactions are dependent upon a supply of carbon dioxide, NADPH, and ATP which cofactor is involved in the Calvin cycle reactions? NADP+ segments of DNA that are not part of the gene are called introns which of the following is not true of ribosomes they bind only one type of amino acid which part of an operon is incorrectly matched with its function? regulator--binds to the repressor protein cells of the ground tissue system are called parenchyma, collenchyma, and sclerenc...

MHC II Proteins are found on what type of cells? Professional Antigen Presenting Cells Molecular Koch's Postulate are important for identifying: A gene involved in virulence Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Based on what we've discussed, why do you think you are supposed to get a flu shot each year? -Epitopes of flu strains are highly variable on an animal basis -No cross protection ...

MIBO 3500 Exam 2 Questions and Answers Rated A frederick griffith studied streptococcus pneumoniae in mice - hypothesized that bacteria could "transfer" information to each other - S strain -> host death - R strain -> not fatal - pre-killing S strains prevents illness - killed S plus live R is fatal conjugation horizontal gene transfer requiring cell to cell contact - two cells brought together by pilus on the donor - relaxase assists in DNA transfer - requires presence of transferable ...

The calvin cycle reactions are dependent upon a supply of - Answer-carbon dioxide, NADPH, and ATP Which cofactor is involved in the Calvin cycle reactions? - Answer-NADP+ Segments of DNA that are not part of the gene are called - Answer-introns Which of the following is not true of ribosomes - Answer-they bind only one type of amino acid Which part of an operon is incorrectly matched with its function? - Answer-regulator--binds to the repressor protein Cells of the ground tissue s...

In bacteria, the sequence of bases in DNA that contains a promoter and one or more structural genes and often an operator or activator-binding site that controls their expression - Answer operon 1. A mechanism for the regulation of transcription termination of some bacterial operons by aminoacyl-tRNAs. 2. A procedure that reduces or abolishes the virulence of a pathogen without altering its immunogenicity - Answer attenuation

QBM Exam Questions And Answers With Complete Solutions 2024 What are the first three steps for starting a project? - answer1 ) Choose 2) Read literature 3) Obtain DNA sequence Once you obtain the DNA sequence in the beginning of a project, BLAST will allow what? - answer"Basic Local Alignment Search Tool" - To search for homology (duplication events) - Can predict protein, molecular weight, pI, and extinction coefficient - Predict the secondary/tertiary structure, transmembrane helice...

BIO 111 FINAL EXAM QUESTIONS AND ANSWERS LATEST 2024/2025 | 100% CORRECT. What is the first mRNA processing step? - ANSWER 5' capping Different mRNAs are made from the same initial pre-mRNA by ________. - ANSWER alternative splicing RNA transcription begins at a ________. - ANSWER promoter ________ protect(s) the pre-mRNA molecule. - ANSWER the 3' poly-a tail The process of pre-mRNA splicing removes ________. - ANSWER introns Spliced ________ differ in their exons. - ANSWER mRNAs Identi...