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In aqueous environment, Amine is a cation carrying a charge.
In aqueous environment,
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- Buffers a. can be acids, not bases. b. keep the pH constant. c. are monomers of a polymer. d. are polymers of a monomer. e. are dipeptide molecules.Which of the groups below is capable of only hydrophobic interactions? a b c d ePeptide bond cleavage is a _____________ reaction. a. hydration b. hydrolysis c. addition d. elimination
- Carbons is used in cells for a) forming the charge across the membrane by serving a positive cations b) as the structural backbone of most molecules c) forming the second most common element D) none of theseUsing this chemical equation: 3Na+AlCl3->3NaCl+Al If 16 g Na and 8 g AlCl3 are allowed to react, find a. the limiting reactant b. the excess reactant c. the grams of Al are formed in the chemical reaction.Fatty acids that have ______ are more likely to be liquid at room temperature. A. more double bonds B. fewer double bonds C. a longer carbon chain D. a shorter carbon chain
- The difference between cholesterol molecule and the hopanoid molecule in bacteria is that the hopanoids are: a) hydrophobic b) hydrophilic c) hopanoids have five rings in their chemical structure d) cholesterol has 5 rings in their chemical structure e) c & dThe ability of non-polar substances like fat molecules to clump together in water thereby allowing minimal contact between the fat molecules and water is attributed to: Group of answer choices a. Hydrogen bonds b. Ionic bonds c. Van der Waal’s interactions d. Hydrophobic interactions e. Cystine bridgesWater molecules have one oxygen atom that is more electronegative than the two hydrogen atoms bound to it. As a result, which type of bonding hold water molecules together a. non-popular covalent bonding b. polar covalent bonding c.ionic bonding d.hydriohocic
- Covalent bonds involve_____ a)electrostatic attraction b)sharing electrons c)valence configurationfatty acids with no double bonds are a. unsaturated b. higher in hydrogens than fatty acids with double bonds c. lower in hydrogens than fatty acids with no double bonds d. none of the aboveBased on the structure below: 1. Based on the chemistry, is the drug phototoxic? (Yes or No) 2. Is the drug is acid-stable? (Yes or No) 3. Which of the following is TRUE about the structure shown? A. The drug is doxycycline. B. The drug is resistant against dehydration. C. The drug forms into a lactone when dehydrated. The drug is bactericidal. D. The drug is phototoxic.
