Trp operon - Samenvattingen, Notities en Examens

Biology 2100 Final Exam Study Guide 2022 with complete solution operon a stretch of DNA consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway genes of an operon arranged sequentially after the promoter promoter a specific nucleotide sequence in DNA that binds RNA polymerase, positioning it to start transcribing RNA at the appropriate place regulatory gene codes for a protein, such as a repressor, that controls the ...

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...

Biology Exam 4 Practice Test 41 Questions with Verified Answers For this pair of items, choose the option that best describes their relationship. (A) The probability that amino acids with polar side chains are hydrophobic. (B) The probability that amino acids with side chains containing an -OH group are hydrophilic. A) Item (A) is greater than item (B). B) Item (A) is less than item (B). C) Item (A) is exactly or very approximately equal to item (B). D) Item (A) may stand...

Biology 2100 Final Exam Study Guide 2022 with complete solution operon a stretch of DNA consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway genes of an operon arranged sequentially after the promoter promoter a specific nucleotide sequence in DNA that binds RNA polymerase, positioning it to start transcribing RNA at the appropriate place regulatory gene codes for a protein, such as a repressor, that controls the ...

Microbiology Exam 2 practice Tests 208 Questions with Verified Answers Which of the following statements is correct? A) For every amino acid, there is one codon. B) A codon may signify more than one amino acid. C) For every codon, there is one amino acid. D) All of these are correct. - CORRECT ANSWER For every Codon, there is one amino acid The sigma factor of RNA polymerase is necessary for A) maximum transcription of the gene. B) termination of the mRNA chain. C) elongation...

1) A protein is 300 amino acids long. Which of the following could be the number of nucleotides in the section of DNA that codes for this protein? (Remember: DNA is double-stranded.) E) 1800 2) A short segment of an mRNA molecule is shown below. The polypeptide it codes for is also shown: 5′-AUGGUGCUGAAG : methionine-valine-leucine-lysine Assume that a mutation in the DNA occurs so that the fourth base (counting from the 5′ end) of the messenger RNA now reads A rather than G. What seq...

Biology 2100 Final Exam Study Guide 2022 with complete solution operon a stretch of DNA consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway genes of an operon arranged sequentially after the promoter promoter a specific nucleotide sequence in DNA that binds RNA polymerase, positioning it to start transcribing RNA at the appropriate place regulatory gene codes for a protein, such as a repressor, that controls the ...

Molecular Genetics Review Questions With Complete Answers (100% Verified) Molecular Genetics Review Questions With Complete Answers (100% Verified) codon - ANSWER- Group of three nitrogenous bases - code for an amino acid anti-codon - ANSWER- Group of 3 bases found on tRNA tRNA - ANSWER- Transfers amino acids rRNA - ANSWER- Makes up ribosomes mRNA - ANSWER- Single stranded version of a gene; recipe for a protein ribosome - ANSWER- Makes polypeptides amino acid - ANSWER- Mon...

BIO 214 EXAM 3 Practice EXAM 57 Questions with Verified Answers In the lac operon, CAP binding to the CAP site of the promoter ____. a. occurs when glucose is present b. inhibits RNA polymerase from binding to the promoter c. occurs when cAMP is absent d. helps the repressor protein bind to the operator e. enables RNA polymerase to transcribe the operon's genes - CORRECT ANSWER enables RNA polymerase to transcribe the operon's genes Gene regulation in both prokaryotes and eukaryotes...

replications - make DNA from DNA template - DNA Polymerase adds DNA nucleotides to free 3' end - Occurs in nucleus for eukaryotes leading strand - synthesized continuously - initially needs an RNA Primer Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen lagging strand - synthesized in short sections called Okasaki Fragments (5' RNA and 3' DNA) - Problems (due to lack of free 3' end) 1. Primase ...