Which of the following explains why methyl anion has a pyramidal geometrywhile methyl cation is planar?The HOMO energy decreases upon pyramidalization of the anion but increases for the cationHyperconjugation stabilizes the planar cationSelectedSteric repulsion between the H atoms disfavors the pyramidal anionAll of the orbitals for the pyramidal structure are lower energy

The methane (CH4) is the lowest possible alkane that can be formed, where a carbon atom is attached…

Answered: Which of the following explains why…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Similar questions

Which of the following is NOT a force involved in tertiary structure? O salt bridges O polar interactions nonpolar interactions O backbone hydrogen bonding
Which of the following statements most closely describes the quaternary structure change of deoxyhemoglobin when it binds oxygen? Group of answer choices the hydrophobic core of each monomer undergoes significant repacking the two beta chains of the molecule get closer by about 7 Angstroms the two beta chains of the molecule get closer by about 7 nanometers one alpha/beta dimer of the tetramer rotates by 90 degrees with respect to the other a new set of noncovalent contacts forms between the two alpha subunits
which of the following is not correct about peptide bonding? A- It occupies a single plane B- It can associate via H-bonding C- It has a double bond character D- It exhibits geometric isomerism
ge Bonds formed by equal sharing of a pair of covalent electrons are called bonds because there is a uniform charge across the molecule along all axes. Attractions between polarized molecules (intermolecular bonds and can also bonding) are called form between polarized regions of the same molecule (intramolecular bonding).
Write a sample chemical reaction of chymotrypsin in a complete balanced equation label the following properly: substrate/s, cosubstrate/s, and cofactor/s Show all the changes in the reacting components small molecules should be in their skeletal form large molecules could be shown as hybrid structures - reacting/interacting groups in skeletal form, the rest of the molecule as abbreviations/blocks/shapes
In an ammonia molecule, one nitrogen atom (atomic number = 7; 1s² 2s²2p³) forms covalent bonds with three hydrogen atoms. Draw a diagram of an ammonia molecule. Show all valence electrons, lone pairs, molecular geometry, and partial charges (assume sp³ hybridization).
Which of the following bond/s results from a sharing of electron(s) between atoms ? [MA} O ionic bond O polar covalent bond non-polar covalent bond O hydrogen bond O hydrolysis
What is the significance of the blue regions of the following molecule? Me Me Me H oppo Me steroid skeleton O Me Me None of the answers O They are prone to metabolism, thus limiting the lifetime of the drug O They introduce a dipole moment to the molecule allowing the correct alignment of binding groups when the molecule binds to the binding site O They represent the skeleton of acetylcholine O They are polar groups that increase water solubility
The molecule on the left has of 2 ring structures with an O atom in the ring and it ratio of C, H, O is 1:2:1. The molecule on the right has an amino group and a carboxyl group. The structure on the right is a(n) and the structure on the left is a(n) lipid, carbohydrate O amino acid, lipid amino acid, carbohydrate lipid, protein
Which of the following is not a characteristic of an isoprene unit? O Alternate triple bonds O Five Carbons Branched O Double bonds
90% of our body is made of water. Use a water molecule to describe the relationship among all the following polar molecules, intramolecular and intermolecular forces, hydrophilic and hydrophobic interactions.
Match the following terms to the correct definition: disulfıde bonds V [ Choose ] molecular force between non-polar molecules resulting from temporary dipoles covalent bonds between two cysteines salt-bridges intermolecular interactions that occur between the R groups of positively and negatively charged residues bonds between R-groups, carbonyls and amides that are not used in forming the secondary structure van-der Waals forces [ Choose ] internal hydrogen bonds [ Choose ]

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