Atoms to grams Study guides, Class notes & Summaries

m   1. Which of the following is the mRNA start codon in most cases? A. UAA B. AGU C. AUG D. UGA 2. Which of the types of RNA is the smallest? A. mRNA B. tRNA C. rRNA D. 3. Which of the following is not considered a pyrimidine? A. C B. T C. U D. G 4. Which of the following is paired correctly? A. A-G B. C-G C. A-U D. G-T 5. Which of the following characterizes a Western blot? A. Antibody/protein hybridization B. DNA/RNA combination C. RNA ...

1. A solution is prepared by dissolving 50 g of KCl (74.6 g/mol) to a volume of 1 L. What is the molarity of this solution? 2. You prepare a solution by dissolving 20 g of NaCl to a volume of 350 mL in water. What is the mass/volume % concentration of this solution? 3. When the following reaction goes in the forward direction, what is the base? 4. You are preparing a buffered solution. So far, your solution contains H2PO4- ions, what would you add to this solution to prepare your buffer sy...

Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update) MODULE 1 EXAM Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. 1. Convert 845.3 to exponential form and explain your answer. 2. Convert 3.21 x 10-5 to ordinary form and explain your answer. 1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2. Convert 3.21 x 10-5 = negative exponent = smalle...

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...

CLEP Chemistry Latest Update Graded A John Dalton Proposed that matter is composed of atoms; these atoms have different identities called elements, which combine to form compounds; measured masses of reactants and products. J.J. Thompson Observed deflection of particles in a cathode ray tube; proposed that atoms are composed of positive and negative charges; developed the plum pudding model of the atom Robert Millikan Calculated the charge-to-mass ratio of electrons using oil drops falling in ...

describe the basic functions all life forms must accomplish -response to environmental stimuli & maintain homeostasis -uptake and processing of nutrients/energy -regulation -growth and reproduction compare and contrast eukaryotic and prokaryotic cell types Prokaryotes: -circular chromosomes, no nucleus, no organelles, 3.5 bya -DNA concentrated in nucleoid Eukaryotes: -linear chromosomes, nucleus, organelles, 1.5 bya -DNA concentrated in nucleus Both: -cellular function takes p...

Chapter 03 Stoichiometry: Ratios of Combination 1. Calculate the molecular mass of tetraphosphorus decaoxide, P4O10, a corrosive substance which can be used as a drying agent. A. 469.73 amu B. 283.88 amu C. 190.97 amu D. 139.88 amu E. 94.97 amu 2. Calculate the formula mass of rubidium carbonate, Rb2CO3. A. 340.43 amu B. 255.00 amu C. 230.95 amu D. 145.47 amu E. 113.48 amu 3. Calculate the formula mass of (NH4)3AsO4. A. 417.80 amu B. 193.05 amu C. 165.02 amu D. 156.96 amu E. 108.96 a...

GIA Diamond Essentials Exam With 100% Correct Answers 2024 chemical element - answerconsists of only one kind of atom mineral - answerinorganic. most minerals are a combo of 2 or more elements diamonds form - answerwithin 90-120 miles below earth's surface value factos - answerfeatures used to judge the quality and value of stones - a diamonds value is based on its combo of the Four C's inclusions - answerclarity characteristic totally enclosed in a polished gemstone or extending into ...

Chapter 1 – The Science of Nutrition Multiple Choice Answer, level, page Level: K = knowledge, A = application/critical thinking What Do We Mean by “Nutrition”? (pp. 5-8) a A 6 1. Which of the following ingredients in a box of toaster pastries would contribute macronutrients to one’s diet? a. Water, high-fructose corn syrup, egg yolk b. Niacin, folic acid, sucralose c. Riboflavin, salt, sodium benzoate d. Thiamin mononitrate, soybean oil, sugar c K 5 2. The term “n...

Test Bank Essential Cell Biology 5th Edition Alberts Hopkin Table of Contents CHAPTER 1: CELLS: THE FUNDAMENTAL UNITS OF LIFE ................................................................ 2 CHAPTER 2: CHEMICAL COMPONENTS OF CELLS ........................................................................ 21 CHAPTER 3: ENERGY, CATALYSIS, AND BIOSYNTHESIS .............................................................. 48 CHAPTER 4: PROTEIN STRUCTURE AND FUNCTION ......................................

General, Organic and Biological Chemistry, 4e (Smith) Chapter 1 Matter and Measurement 1) Which is NOT an example of a pure substance? A) Sugar B) Air C) Aluminum foil D) Water E) A block of dry ice Answer: B Difficulty: 1 Easy Topic: Study of Chemistry Bloom's: 1. Remember Subtopic: Classification and States of Matter Accessibility: Keyboard Navigation Chapter: 01 2) Which is an example of a physical change? A) The rusting of an iron nail B) The burning of propane in a gas grill C...