Catabolite repression - Study guides, Study notes & Summaries

Straighterline. BIO 250 | Microbiology Final Exam Questions and Answers (Graded A+ 2023)BIO 250 | Microbiology Final Exam Questions and Answers (Already Graded A+ 2023) The term chemotroph refers to an organism that a. Uses CO2 for its carbon source b. Must obtain organic compounds for its carbon needs c. Gets energy from sunlight d. Gets energy by oxidizing chemical compounds e. Does not need a carbon source 23. Polar molecules a. Have an equal charge distribution b. Have an unequal cha...

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...

BIO110 PRACTICE EXAM 4|165 Questions with Verified Answers TRNA has a few loops in its structure, what loops connects to the mRNA codon? a. codon domain b. anticodon c. acodon d. amino acid - CORRECT ANSWER b. anticodon Catabolite activator protein: a. increases the affinity of the promoter region for RNA polymerase b. decreases RNA polymerase activity c. becomes nonfunctional when it binds to AMP d. binds and activates RNA polymerase e. blocks RNA polymerase access to the DNA tem...

Chapter 8: Microbial Genetics DUE 24TH APRIL 2024 1. Define genetics, genome, chromosome, gene ,genetic code, genotype, phenotype, and genomics - CORRECT ANSWER-genetics-the study of what genes are, how they carry info, how info is expressed, and how genes are replicated genome-the entire genetic makeup of an organism including both its genes and noncoding sequences that link these chromosome-naked, circular piece of DNA containing approx. genes gene-a segment of DNA that encodes a f...

TOPIC: BIOCHEMISTRY - MOLECULAR / "CHROMATIN STRUCTURE" WHAT BINDS TO THE NUCLEOSOME AND TO LINKER DNA TO STABILIZE CHROMATIN FIBER? - ANSWER-H1 TOPIC: BIOCHEMISTRY - MOLECULAR / "CHROMATIN STRUCTURE PHOSPHATE GIVES DNA WHAT CHARGE? - ANSWER-NEGATIVE TOPIC: BIOCHEMISTRY - MOLECULAR / "CHROMATIN STRUCTURE WHAT GIVES HISTONES A POSITIVE CHARGE? - ANSWER-LYSINE AND ARGININE TOPIC: BIOCHEMISTRY - MOLECULAR / "CHROMATIN STRUCTURE WHEN DOES DNA CONDENSE TO FORM CHROSOMES? - A...

Biochemistry Final Exam Practice 63 Questions with Verified Answers The central dogma of molecular biology teaches us that: a. RNA replicates itself and DNA is translated into protein b. RNA is typically the genetic material c. RNA contains information, which is translated into amino acid sequences d. Proteins are not needed to replicate DNA or transcribe RNA e. RNA is made of the same monomers as DNA - CORRECT ANSWER c. RNA contains information, which is translated into amino acid sequ...

BIO 207 EXAM2 PRACTICE TEST FROM STUDY GUIDE 49 Questions with Verified Answers Which of the following molecules links glycolysis with the TCA cycle, and also serves as a precursor for many biosynthetic products? a. malate b. citrate c. oxaloacetate d. acetyl-CoA e. succinate - CORRECT ANSWER d. acetyl-CoA What methods do microorganisms NOT use to minimize energy for biosynthesis? a. Inhibit or kill nutritional competitors by making antimicrobials b. Loss of genes encoding enzymes f...

BIO110 PRACTICE EXAM 4|165 Questions with Verified Answers TRNA has a few loops in its structure, what loops connects to the mRNA codon? a. codon domain b. anticodon c. acodon d. amino acid - CORRECT ANSWER b. anticodon Catabolite activator protein: a. increases the affinity of the promoter region for RNA polymerase b. decreases RNA polymerase activity c. becomes nonfunctional when it binds to AMP d. binds and activates RNA polymerase e. blocks RNA polymerase access to the DNA tem...

A pure culture A) is sterile. B) is a population of identical cells. C) is made of a precisely defined chemical medium. D) contains one microbial cell. b Microbial cells first evolved on Earth approximately ________ _______ years ago. A) 1.6 to 1.8 million B) 7.0 to 7.2 million C) 3.8 to 3.9 billion D) 10.5 to 11.5 billion E) None of the above c Predict how Pasteur's conclusions on spontaneous generation with swan flasks would have changed if he worked with and maintai...

(chapter5) Microbiology Test 2 1. Which growth phase has the largest increase in cell numbers per unit of time? death phase exponential phase lag phase stationary phase In which growth p hase is there no increase or decrease in cell number because some cells are dividing while others are dying? death phase exponential phase lag phase stationary phase To speed up the growth rate in a chemostat, the should be increased. To increase the cell density as well, the should be increased. A. dilution rat...