Types of rna - Study guides, Class notes & Summaries

Which strand is produced more rapidly? - ANSWER-Leading strand During DNA replication in the lagging strand there is production of this component? - ANSWER-Okazaki fragment How many "stop" codons exist? - ANSWER-3 The double helix of DNA is wrapped about 1¾ times around which of these components? - ANSWER-Nucleosome Which enzyme unwraps the double helix? - ANSWER-Helicase In the ribosome, what is the name of the bond that links one amino acid to the next? - ANSWER-peptide bonds...

What modification neutralizes the charges on histones and looses up the interactions between histones and DNA? - Answer- ACETYLATION Two types of post-transcriptional modifications that take place in the mRNA of eukaryotes - Answer- the addition of a CAP at the 5' end of the transcript and the addition of a POLY A sequence at the 3' end of the message Nucleic acid blotting is widely used in recombinant DNA technology. In a Southern blot one generally - Answer- Hybridizes filter-bound DNA...

Version 1 1 CHAPTER 1 1) Which technique creates a three-dimensional dynamic image of blood vessels? A) Digital subtraction angiography B) Magnetic resonance imaging C) Dynamic spatial reconstruction D) Positron emission tomography 2) Magnetic resonance imaging is based on the movement of A) electrons in a magnetic field. B) carbons in a magnetic field. C) protons in a magnetic field. D) cells in a magnetic field. 3) The delivery of a radioactive compound to the body to study the met...

TEST BANK FOR Pathophysiology The Biologic Basis For Disease in Adults and Children 9th Edition By McCance & Huether Complete All Chapters 1-50 () Which statement best describes the cellular function of metabolic absorption? a. Cells can produce proteins. b. Cells can secrete digestive enzymes. c. Cells can take in and use nutrients. d. Cells can synthesize fats. ANS: C In metabolic absorption, all cells take in and use nutrients and other substances from their surroundings. The remaining...

BIOD 171 Essential Microbiology Portage Learning Module 1 Exam Questions and Answers 2023 BIOD 171 M1: Module 1 Exam - Requires Respondus LockDown Browser + Webcam Question 1 3 / 3 pts True/False. A virus is classified as a microbe. Correct! True Although viruses are not living and as such are not considered microorganisms, they can, however, be classified as microbes, a more general term that includes microorganisms and viruses. False Question 2 3 / 3 pts True or False: The...

ati-med-surg-proctored-exam-2023-real-exam-questions-with-well-detailed-and-explaned-answer-key ATI MED SURG Proctored EXAM 2023 REAL EXAM Questions WITH WELL Detailed AND Explaned Answer KEY ATI MED SURG PROCTORED EXAM 2023 REAL EXAM QUESTIONS WITH WELL DETAILED AND EXPLANED ANSWER KEY 1.A nurse is caring for a client who has HIV. Which of the following laboratory values is the nurse's priority? A. Positive Western blottest Rationale:The client is already identified as HIV positive.The...

Campbell Biology, 11e (Urry) Chapter 1 Evolution, the Themes of Biology, and Scientific Inquiry 1.1 Multiple-Choice Questions 1) Cells are . A) only found in pairs, because single cells cannot exist independently B) limited in size to 200 and 500 micrometers in diameter C) characteristic of eukaryotic but not prokaryotic organisms D) characteristic of prokaryotic and eukaryotic organisms Answer: D Bloom's Taxonomy: Knowledge/Comprehension Section: 1.1 2) In comparison to eukaryot...

Testbank for Biology 2nd Edition from OpenStax College ISBN 9781947172517Chapter 1 1 Figure 1.6 1: C; 2: F; 3: A; 4: B; 5: D; 6: E. The original hypothesis is incorrect, as the coffeemaker works when plugged into the outlet. Alternative hypotheses include that the toaster might be broken or that the toaster wasn't turned on. 3 Figure 1.16 Communities exist within populations which exist within ecosystems. 4 B 6 D 8 C 10 C 12 B 14 D 16 Answers will vary, but should apply the steps of the scienti...

BIOD 171 Portage Learning Final EXAM Questions and Answers 100%Correct/Exam 1-7 2023/2024 UpdatePortage Learning BIOD 171 Final EXAM Questions and Answers 100%Correct/Exam 1-7 2023/2024 Update True or False: A virus is considered a microorganism. False. Viruses are not living and as such are not considered microorganisms. Viruses can, however, be classified as microbes, a more general term that includes microorganisms and viruses. 1. What is the smallest biological unit of life? A cell. ...

Aminoacyl-tRNA syntheses are enzymes that.... correct answers attach amino acids to specific transfer RNAs Which of the following statements about introns is true? correct answers Some types of organisms generally do not have introns The primary function of factor EF-G is to... correct answers move the peptide-tRNA from the A site of the ribosome In bacteria, mRNAs are.... correct answers transcribed and translated simultaneously The combined sizes of prokaryotic and eukaryotic ribos...