Changing pH, polarity and ionic strength of solutions cannot disrup which of the following interactions between polypeptide chains? Electrostatic interactions Hydrophobic interactions Hydrogen-bonding interactions disulfide bonds none of these
Q: Bonds in which atoms share electrons are defined as _____________ bonds.a. hydrogenb. ionicc.…
A: Hydrogen bond is a electromagnetic attraction between H atom and a electronegative atom such as O,…
Q: What naturally occurring chemical bond befalls between successive amino acids in conjunction with…
A: A peptide bond can be described as a chemical bond which is usually formed in between two molecules…
Q: What type of bonds form between oxygen & Hydrogen atom
A: The hydrogen an atom and oxygen atom together forms water molecule.
Q: Which of the following statements is true? a. Acids and bases cannot mix together. b. Acids and…
A: pH scale indicates the hydrogen ion concentration of that solution. By given pH we can say if that…
Q: Hydrogen bond lonic (electrostatic) interaction Hydrophobic interactions Disulfide bond
A: Chemical bonds are necessary for life because they bind molecules together and generate momentary…
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A: High temperature increases the kinetic energy and leads to the disruption of the hydrogen bonds and…
Q: Which of the following are true about covalent bonds? Select all that apply. In a covalent bond, one…
A: Covalent bond is also known as molecular bond and forms between atoms, thereby giving stability to…
Q: Which of the following is not a characteristic of water due to hydrogen bonding? Solvent Adhesion…
A: Hydrogen bonding : Hydrogen bonding is primarily defined as a type of electrostatic force of…
Q: What types of bonds form the primary structure of nucleic acids? 0 hydrophobic peptide hydrogen…
A: The nucleic acids form the genetic material of an organism. The genetic information is stored in the…
Q: An atom has 11 protons and another has 17 protons. What type of chemical bond would most likely form…
A: Let's take an example of an atom having 11 protons is - Sodium & atom having 17 protons is…
Q: ionic / covalent / hydrogen / electro ionic or none
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A: The methane (CH4) is the lowest possible alkane that can be formed, where a carbon atom is attached…
Q: Which type of bond is formed through interactions of partial charges? A. Ionic B. Covalent C.…
A: A partial charge is a non-integral charge value which was also called a net atomic charge. the…
Q: A solution at pH 4 is _____ times as _______ as a solution at pH 7.
A: A solution at pH 4 is _____ times as _______ as a solution at pH 7. A pH of 7 is neutral. A pH less…
Q: An acid is a substance which raises hydrogen ion concentration O has a pH of 13 O has equal number…
A: Acid It is a substance or compound that release hydrogen ion(H+) when in solution. In strong acid…
Q: Rank the following chemical bonds in order of increasing polarity.a. nonpolar covalent b. ionic c.…
A: A typical chemical bond is defined as an attractive force between two atoms. Atoms in a molecule are…
Q: The red dotted lines represent O peptide bonds hydrogen bonds O covalent bonds O hydrogen bonds…
A: A motif in protein structure refers to a chain-like biological structure made up of connectivity…
Q: Mercury salts (Hg+2) will denature proteins by disrupting what? One or more answers is possible.…
A: Proteins are building blocks of the body. They are made up of a polypeptide chain. These chains form…
Q: please explain why sodium is more likely to form ionic bonds rather than covalent bonds, and carbon…
A: A chemical bond is an enduring attraction between particles, molecules or atoms that empowers the…
Q: Bond formation in polysaccharides and polypeptides is accompaniedby the removal of aa. hydrogen…
A: In polysaccharides we have a glycosidic bond and in polypeptides we have peptide or amide bond.
Q: Match the following terms (A to F) with the statements (i – vi) below by selecting from the…
A: Chemical bond refers to the interactions that exist between two or more atoms, molecules, or ions.…
Q: A hydrogen bond can form between adjacent to each other. two oxygen atoms O negative charges O a…
A: According to our guidelines we can only answer the first question and rest of the question can be…
Q: 6
A: Bond is the force of interaction between two atoms present in a molecule.
Q: The functions of biomolecules in cells and organisms are enabled by their specific chemical…
A: Nucleic acids are the holders of genetic information. Polysaccharides are gross forms of metabolite…
Q: What tertiary interaction would be expected between the following amino acids HN- OH CH- OH CH-CH)…
A: Amino acids are the building blocks for proteins or peptides, they are joined by the peptide…
Q: Which of the following is NOT a force involved in tertiary structure? O salt bridges O polar…
A: The primary structure of the protein is non functional, and to be functional a protein should…
Q: Substances are classified as lipids on the basis of a specific element /substances they all contain…
A:
Q: Which of the following is an organic compound found in most cells? 1. Glucose 2. Water 3. Sodium…
A: The compounds which contains carbon hydrogen bonds are known as organic compounds. Due to carbon's…
Q: What type of bonds occur BETWEEN water molecules? OPolar covalent Non polar covalent Hydrogen O…
A: Water molecule consists of two atoms of hydrogen linked to the same atom of oxygen.
Q: Addition of strong acid or base to a protein disrupts its disulfide bridges and electrostatic…
A: Protein are polymers of amino acids ,and the sequence of amino acids of protein determines protein…
Q: Which of the following interactions will be most UNAFFECTED at very high salt concentration or at…
A: Three dimensional structure of the proteins are stabilized by the covalent as well as non-covalent…
Q: Which of the following bond/s results from a sharing of electron(s) between atoms ? [MA} ionic bond…
A: 1) Water: it is essential for life. water is the most abundant substance in the living cell. It is…
Q: Which of the following substances will dissolve in water
A: Water is known as a universal solvent as there are many substances that can dissolve easily in…
Q: Name the difference between ionic, polar covalent, & non-polar covalent bonds and their solubility…
A: Chemical bond is a force through which two or more atoms join together to form a molecule.
Q: 90% of our body is made of water. Use a water molecule to describe the relationship among all the…
A: 60% is water in the human adult body. The human brain and heart are made of 73% water. Lungs are…
Q: Which of the following terms describes when weak forces are broken, drastically changing the shape…
A: Proteins are biomacromolecules which play very important role in maintaining most of the cell…
Q: Which of the below statements is correct regarding tertiary structure? All are correct Disulfide…
A: A protein has four structural levels of organization – primary, secondary, tertiary and quaternary…
Q: _____________bonds hold hydrogen to oxygen within a water molecule, while ___________ bonds attach…
A: A water molecule consists of 2 hydrogen atom and 1 oxygen atom .
Q: Noncovalent interactions between molecules found in cellular systems include the fol EXCEPT:…
A: Biomolecules are molecules present in biological system like proteins, fats, carbohydrates, nucleic…
Q: Which of the following is not a functional group that can bond with carbon? a. sodium b. hydroxyl c.…
A: BASIC INFORMATION CHEMICAL REACTION In this one substance gets converted into another substance…
Q: Bonds between like/similar atoms (e.g. as in H2) are always: a. polar covalent bonds b. ionic bonds…
A: The correct option is d no polar covalent bond
Q: A bond linking two atoms of the same element through an equal sharing of electrons would be best…
A: Introduction:- Nonpolar covalent bonds develop when two atoms of the same element or two elements…
Q: an atom (to form cations) or adding electrons (to form anions). Ions are never formed by 1. It is…
A: electrically neutral: A net charge of zero, which occurs when an atom or molecule/compound has no…
Q: Bonds between two atoms that are equally electronegative are _____. ionic bonds polar…
A: There are many types of bonds that exist between molecules for eg: hydrogen bonds, covalent bonds,…
Q: Considering only the side chains of the amino acids in the molecule shown above, how many can…
A: Hydrogen bonding is the bonding between the Hydrogen in a molecular dipole and an electronegative…
Q: hich of the following is not a unique property of water? provide as means of lubrication have a high…
A: Introduction: Water is important for the survival of all living beings. Water generally has no…
Q: The type of bonding that happens between atoms within a water molecule is which of the following?…
A: The molecules of water are held together by non-covalent interactions.
Q: _____________ water molecules are noncovalently associated on the surfaces of macromolecules and…
A: Biomolecules such as carbohydrates, proteins, lipids, and nucleic acids are known to form…
Q: Salt bridges "Hydrogen bond van der Waals forces Type of bond * Choose H-bond Electrostatic…
A: The primary structure of protein gives rise to secondary and tertiary structures. The quaternary…
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- In dehydration reaction between phosphate (derived from phosphoric acid) and glycerol (a sugar alcohol) accompanied with the removal of a water molecule, what chemical bond holds them together in a phospholipid molecule? Ether Bond Thioester Bond Acid Anhydride/phosphoanhydride bond Ester BondWhich of these statements about the tertiary structure of a polypeptide is(are) untrue? You may select more than one answer. The tertiary structure will be maintained when the solvent is changed from pure water to aqueous acetic acid. O The tertiary structure is determined in part by the formation of disulfide bridges. Hydrogen bonding interactions are responsible for formation of secondary structure but not tertiary structure, O The tertiary structure is rigid and unchanging. O Charge-charge (electrostatic) interactions can be important in the tertiary structure.Which of the following interactions will be most UNAFFECTED at very high salt concentration or at saturation? Hydrophobic interactions (clustering of hydrophobic groups away from water) and van der Waals interactions CH CH, H,C CH, H,C CH, CH Polypeptide backbone Hydrogen bond C-OH CH-S S CH, CH2 Disulfide bridge - CH,-CH,-CH,-CH, NH, -O C-CH, lonic bond CopyegPon Econ p g n Cun A. H-bond O B. Hydrophobic bond O C. Disulfide bridge D. lonic bond E. None of these
- Type of Bond: Choices: H-bond Electrostatic Interaction Hydrophobic bond Disulfide bond Peptide bond Level of Protein structure: Choices: Primary Secondary Tertiary Quaternary Method/s of denaturation. CHECK ALL THAT APPLY Heating to 100 degrees Celsius Addition of nitric acid Reaching Isoelectric point Addition of mercuric chloride Addition of sulphosalicylic acid Addition of alcohol Addition of ammonium sulfateAmino acids are the building units of proteins. These compounds contain at least one amino group and a carboxyl group. Glycine exists in three possible types, depending on the pH of the solution. Fully protonated: Dipolar ion: Completely ionized: pH 1.0; Predict which structure of glycine might be dominant at pH 7.0 and pH 12.0. The pKa value of the carboxyl group is 2.3 and the ammonium group is 9.6.Please explain.Sphingolipids are considered as phospholipids if: O The polar head group contains a single sugar (carbohydrate) such as glucose All sphingolipids are phospholipids O The polar head group contains a phosphate group The polar head group contains a complex sugar (carbohydrate) containg sialic acid
- Identify the predominant intermolecular forces in each of the given substances. Electrostatic (ionic) interactions OH CH3CCH3 OH KCI NH3 Hydrogen bonding Answer Bank CHA H₂O van der Waals interactionsge 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).Which of the following types of bonds are present in the primary structures of proteins? Covalent bonds, hydrogen bonds and dislufide linkages Ionic interactions Hydrogen bonds and covalent bonds Covalent bond
- What tertiary interaction would be expected between the following amino acids HN- OH HN- CH- OH CH-CH, covalent bond electrostatic attraction O hydrogen bonding O hydrophobic O no tertiary interaction expectedWhich of the following factors do not stabilize the 3-D structure of a folded protein? O Disulfide bonds O Van der Waals interactions O Hydrogen bonds O Electrostatic interactions O Hydrophobic bonds Metal-ion protein interactionsA phospholipid can be used to do all the following except O Increase the fluidity with the presence of unsaturated fatty acid tails. create a bi-layer membrane using amphipathic properties. form a micelle using a single layer and a hydrophobic core. O connect to a glycerol molecule to create a triacylglyceride.
