Trp operon test - Study guides, Class notes & Summaries

Biochemistry Exam 3 Practice Tests 225 Questions with Verified Answers The complementary strand for the sequence 5' GCACTTCG 3' is - CORRECT ANSWER 5' CGAAGTGC 3' Polysomes...? (a) contain multiple mRNA's (b) contain multiple DNA's (c) contain multiple ribosomes (d) contain multiple RNA polymerases (e) a and c - CORRECT ANSWER (c) contain multiple ribosomes "Multiple ribosomes initiate on a SINGLE mRNA Polyribosomes or polysomes"- Ch 7 Proliferating cell nuclear ...

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...

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...

Ap Bio Chapter 18 Practice Test 99 Questions with Verified Answers The role of a metabolite that controls a repressible operon is to - CORRECT ANSWER e) bind to the repressor protein and activate it The tryptophan operon is a repressible operon that is - CORRECT ANSWER E) turned off whenever tryptophan is added to the growth medium. Which of the following is a protein produced by a regulatory gene? - CORRECT ANSWER D) repressor A lack of which molecule would result in the cell's ina...

Science Practice Test 166 Questions with Verified Answers How many milligrams of epinephrine is contained in a dental cartridge of prilocaine with 1:200,000 epinephrine? - CORRECT ANSWER a A 30-year-old male patient has a slightly raised purple mass on his cheek measuring 25 mm in diameter for as long as he can remember. This lesion is most likely a A.hemangioma. B.hematoma. C.nevus. - CORRECT ANSWER a Guanethidine is especially prone to produce which adverse effect? A.Agranulocyt...

Biology Exam 3 Practice Test 40 Questions with Verified Answers In the 1940s and 1950s scientists were performing experiments to discover what molecule was the inheritance material. The basis of that work was Griffith's transformation experiments with the rough and smooth strains of Pneumococcus. Rough bacterial strains were transformed by A. treatment with radiation. B. infection with a virus. C. uptake of protein from the environment. D. uptake of DNA from the environment. - CORRECT...

Science Practice Test 166 Questions with Verified Answers How many milligrams of epinephrine is contained in a dental cartridge of prilocaine with 1:200,000 epinephrine? - CORRECT ANSWER a A 30-year-old male patient has a slightly raised purple mass on his cheek measuring 25 mm in diameter for as long as he can remember. This lesion is most likely a A.hemangioma. B.hematoma. C.nevus. - CORRECT ANSWER a Guanethidine is especially prone to produce which adverse effect? A.Agranulocyt...

BIO 250 | Microbiology Final Exam Questions and Answers (Graded A+ 2023) Straighterline  This document is meant to be a pre-emptive study tool only. It is comprised of 5 past midterm exams. Questions on current exams are likely different. Use this BEFORE (of course not during!) the exam to study practice questions that may be similar or cover topics on the new exams, and to understand the depth of material covered so you can study better and be more prepared! 1. An irregular cluster of s...

BIO 250 | Microbiology Final Exam Questions and Answers (Graded A+ 2023) Straighterline  This document is meant to be a pre-emptive study tool only. It is comprised of 5 past midterm exams. Questions on current exams are likely different. Use this BEFORE (of course not during!) the exam to study practice questions that may be similar or cover topics on the new exams, and to understand the depth of material covered so you can study better and be more prepared! 1. An irregular cluster of s...

Microbiology Midterm Exam This document is meant to be a pre-emptive study tool only. It is comprised of 5 past midterm exams. Questions on current exams are likely different. Use this BEFORE (of c ourse not during!) the exam to study practice questions that may be similar or cover topics on the new exams, and to understand the depth of material covered so you can study better and be more prepared! 1. An irregular cluster of spherical cells would be called a/an a. Palisades b. Sarcina c. Staphyl...