Achiral - Study guides, Class notes & Summaries

Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence...

Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence electrons. Build a bas...

Stereochemistry the study of the three-dimensional structure of molecules Stereoisomers Compounds with the same structural formula and connectivity but with a different 3D arrangement of the atoms in space. Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Brainpower Read More Enantiomers Stereoisomers that that are non-superimposable mirror images. Enantiomers have the same connectivity but different orientations (twist) o...

MCAT Biochemistry Review Amino Acid - correct answer Dipolar compound containing an amino group and a carboxyl group Amino Group - correct answer -NH2 Carboxyl Group - correct answer -COOH Alpha Carbon - correct answer Central carbon atom in amino acid Attached to amino & carboxyl groups, H atom, and side chain Side Chain - correct answer The variable component of an amino acid that gives the amino acid its identity and chemical properties also called R-group Chiral - correct a...

MCAT Biochemistry ReviewAmino Acid - correct answer Dipolar compound containing an amino group and a carboxyl group Amino Group - correct answer -NH2 Carboxyl Group - correct answer -COOH Alpha Carbon - correct answer Central carbon atom in amino acid Attached to amino & carboxyl groups, H atom, and side chain Side Chain - correct answer The variable component of an amino acid that gives the amino acid its identity and chemical properties also called R-group Chiral - correct ans...

Chem 219 Unit 3 Exam Questions With 100% Correct Answers Stereochemistry the study of the three-dimensional structure of molecules Stereoisomers Compounds with the same structural formula and connectivity but with a different 3D arrangement of the atoms in space. Enantiomers Stereoisomers that that are non-superimposable mirror images. Enantiomers have the same connectivity but different orientations (twist) of the four atoms or groups in 3D space. The two different forms of the chira...

Chem 219 Unit 3 Exam Questions With 100% Correct Answers Stereochemistry the study of the three-dimensional structure of molecules Stereoisomers Compounds with the same structural formula and connectivity but with a different 3D arrangement of the atoms in space. Enantiomers Stereoisomers that that are non-superimposable mirror images. Enantiomers have the same connectivity but different orientations (twist) of the four atoms or groups in 3D space. The two different forms of the chira...

BCH4024 EXAM 1 QUESTIONS WITH CERTIFIED ANSWERS Transfer RNA (tRNA) secondary structure: - Answer-tRNA "reads" genes information encoded in mRNA (3 nucleotide codon) copied from DNA What does tRNA transfer during protein synthesis - Answer-the appropriate amino acid to a growing polypeptide chain Transcription creates a: - Answer-complementary RNA copy (mRNA) of a sequence of DNA Translation steps: - Answer-mRNA decoded by ribosomes and tRNA is used to produce a specific amino acid ...

Chem 219 Unit 3 Exam Questions With 100% Correct Answers Stereochemistry the study of the three-dimensional structure of molecules Stereoisomers Compounds with the same structural formula and connectivity but with a different 3D arrangement of the atoms in space. Enantiomers Stereoisomers that that are non-superimposable mirror images. Enantiomers have the same connectivity but different orientations (twist) of the four atoms or groups in 3D space. The two different forms of the chira...

Which of the following corrctly matches the amino acid with its three-letter abbreviation? A) tryptophan: try B) isoleucine: iso C) cysteine: cys D) asparagine: asn E) valine: van correct answer: C) cysteine: cys Which hydrophobic amino aicd containes sulfur in its side chain? A) alanine B) valine C) phenlyalanine D) proline E) methionine correct answer: E) methionine Which amino acid is achiral (not chiral)? A) alanine B) valine C) glycine D) proline E) methionine c...

MCAT: Biochemistry Exam Questions & Answers. Amino Acids - CORRECT ANSWER - Found in proteins - amino group, carboxylic acid, hydrogen atom, and R group attached to a central alpha carbon - chiral (L) except glycine - (S) configuaration except cysteine - join via peptide bonds Nonpolar, nonaromatic AA - CORRECT ANSWER glycine alanine valine leucine isoleucine methionine proline Aromatic AA - CORRECT ANSWER tryptophan phenylalanine tyrosine Polar AA - CORRECT ANSWER seri...