What does mrna do - Study guides, Class notes & Summaries

Why does RNA degradation take place? ~~> Damaged mRNA Incorrectly transcribed/processed mRNA Control gene expression What 2 things control mRNA levels? ~~> Transcription and turnover Why is turnover important? ~~> If mRNA has a ridiculously long half life and doesn't go away, then if you stop transcription you don't stop protein expression because the mRNA is still there Describe what casein mRNA is and explain the importance of turnover ~~> Expressed in mammar...

Test Bank Porth Pathophysiology Concepts of Altered Health States 2nd Canadian Edition Table of Contents Chapter 01: Concepts of Health and Disease ................................................................................................. 3 Chapter 02: Concepts of Altered Health in Children ................................................................................... 14 Chapter 03: Concepts of Altered Health in Older Adults .............................................................

Protein Synthesis Race Questions and Answers Already Passed What is the role of RNA polymerase in protein synthesis? RNA polymerase is responsible for transcribing DNA into mRNA during the process of transcription. How is protein synthesis affected if the ribosome malfunctions? If the ribosome malfunctions, protein synthesis can be halted or produce defective proteins, potentially disrupting cellular functions. What happens during the initiation phase of translation? During init...

Portage Learning CHEM 210 exams 1-8 and final exam Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In ...

Porth's Essentials of Pathophysiology 10th Edition Test Bank by Tommie L. Norris Complete Guide A+ 2023/2024. At an international nursing conference, many discussions and breakout sessions focused on the World Health Organization (WHO) views on health. Of the following comments made by nurses during a discussion session, which statements would be considered a good representation of the WHO definition? Select all that apply. A) Interests in keeping the elderly population engaged in such acti...

ABSITE Questions with Correct Answers 2 weeks after a whipple operation, your patient continues to have early satiety with oral intake. You decide to start metoglopramide (Reglan) and erythromycin. What receptor does erythromycin bind to increase gastrointestinal motility? - Correct Answer Motilin (found primarily in the stomach, duodenum, and colon) Proteins are synthesized from: a. mRNA b. tRNA c. dsDNA d. ssDNA - Correct Answer mRNA 1 week after an APR, our patient develops urose...

WSU Bio 102 Final Exam Questions and Answers Already Passed How does BPA cause cancer? it disrupts meiosis and mitosis causing breast and prostate cancer. 3 and 7 plastics may contain BPA What is a genetic fingerprint? how do you make one? -Genetic Fingerprint: DNA uses the differences in base sequences to identify individuals. -DNA fingerprinting involves 3 tools: 1. PCR to get large amounts of DNA 2. Restriction digest with blunt ends to fragment the DNA with precision 3. Gel...

Bio 112 Exam 1 Questions and Answers Already Passed What is the role of transcription factors in gene regulation? Transcription factors are proteins that bind to specific DNA sequences to promote or inhibit the transcription of genes. How do lipids contribute to the structure of cell membranes? Lipids, particularly phospholipids, form a bilayer in cell membranes that provides barriers for cell compartmentalization and regulates permeability. What is the significance of the pH sca...

LIFESCI 2A03 Test 2 Questions and Answers Graded A+ What is the primary role of the mitochondria in cellular respiration? The mitochondria generate ATP through oxidative phosphorylation, serving as the powerhouse of the cell. Which phase of the cell cycle is responsible for DNA replication? The S phase is where DNA replication occurs, ensuring each daughter cell has an identical set of chromosomes. How do enzymes function as biological catalysts? Enzymes lower the activation ...

BIO 100 EXAM 2 STUDY GUIDE LATEST UPDATE GRADED A+ What characteristic of DNA evidence makes it particularly valuable in criminal investigations? Its uniqueness to each individual organism. What ensures the stability of the complementary base pairs in a DNA molecule? Hydrogen bonds. Why did the double helix model of DNA generate excitement in the scientific community? It elucidated how genetic material could be duplicated through complementary strands. What are the alternative ...