E isomer - Study guides, Class notes & Summaries

Biochemistry - Exam 1 Practice Questions & Answers 2023/2024 A+ In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. nucleoid A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma membranes. D) ribosomes. E) the nucleus the nucleus In eukaryotes, the nucleus is enclosed by a double membrane called the: A) cell membrane. B) nuc...

1. In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. 2. A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma membranes. D) ribosomes. E) the nucleus. 3. In eukaryotes, the nucleus is enclosed by a double membrane called the: A) cell membrane. B) nuclear envelope. C) nucleolus. D) nucleoplasm. E) nucleosome. 4. T...

CHEM 219 Module 1 problem set Exam Questions With 100% Correct Answers On a piece of scratch paper, write out the Lewis Dot Diagram for each of the indicated elements and determine the following for each: a) The number of Lone Pairs the atom possesses in its valence shell.b) The number of Unpaired Electrons the atom possesses in its valence shell.c) The number of bonds the atom will form. Oxygen Carbon Hydrogen Nitrogen - answerOxygen - a) 2 b) 2 c) 2 Carbon - a) 0 b) 4 c) 4 Hydrogen-...

CHEM&219 Unit 3 Nomenclature Exam Questions With 100% Correct Answers 2024 What is R/S nomenclature used for? - answerNaming each enantiomer of an enantiomer pair of a chiral molecule What is E/Z nomenclature used for? - answerUsed for determining and naming the cis- or trans- nature of a substituted alkene. R/S Nomenclature of Enantiomers - answerThe system used to name enantiomeric forms of a chiral molecule is known as the R/S system or the Cahn-Ingold-Prelog(CIP) system (after its de...

Define the term 'empirical formula' - ANSWERS A formula that gives the simplist whole number ration of atoms of each element in a compound Define the term 'molecular formula' - ANSWERS A way of representing molecules that shows the actual number of atoms of each element in a molecule Define the term 'General formula' - ANSWERS An algebraic formula that can describe any member of a family of compounds Define the term 'Structural formula' - ANSWERS A way of representing molecules ...

Bio 201-Lectures 1-9 UB Guaranteed Success -condensation reaction -releases H2O -requires energy ️polymerization -hydrolysis reaction -consumes h2o -releases energy ️depolymerization -log[H+] ️Which of the following is the correct definition of pH? -OH or both NH2 and C=O ️polar unchargeds molecules contain . β-D glucose ️Cellulose is a polymer of which isomer of glucose? 0 ️A solution of 1M HCl (a very strong acid) has a pH of: 1. atp binds to actin monomers 2. actin in fil...

ACS General Chemistry 1 studysheet Exam 124 Questions with Verified Answers 56=Mass # (A) 26= Atomic # (Z) Fe= symbol - CORRECT ANSWER 56= 26= Fe= Mass Number - CORRECT ANSWER Proton+ Neutrons Atomic Number - CORRECT ANSWER # of protons/electrons (equal in elemental form) - superscript - CORRECT ANSWER Add e- + superscript - CORRECT ANSWER subtract e- Isotope - CORRECT ANSWER Diff number of neutrons Isomer - CORRECT ANSWER two or more compounds with the same # of elemen...

Beer has a pH of about 4, while pure water has a pH of 7. How much more acidic is the beer than the water? a.1000x more H+ ions b.1000x fewer H+ ions c. 100x more H+ ions d. 4000x fewer H+ ions b. 1000x fewer H+ ions What would be the impact of changing the atomic number of carbon from 6 to 7? a. Carbon would become an isomer, C-7 b. Carbon would become an isotope, C-7 c .Carbon would become nitrogen d. carbon would become a positively charged ion n would become a negatively charged ion c. Car...

CHEM&219 Unit 3 Nomenclature Exam Questions With 100% Correct Answers 2024 What is R/S nomenclature used for? - answerNaming each enantiomer of an enantiomer pair of a chiral molecule What is E/Z nomenclature used for? - answerUsed for determining and naming the cis- or trans- nature of a substituted alkene. R/S Nomenclature of Enantiomers - answerThe system used to name enantiomeric forms of a chiral molecule is known as the R/S system or the Cahn-Ingold-Prelog(CIP) system (after its de...