5)
6)a)
hydrophilic, acidic
The aminoacid is glutamic acid which is polar and acidic in nature.
7)
8)a)
Since it's a hydrophilic protein, it will be found in surface forming hydrogen bonds with others.
5) Draw a ribose sugar and glucose sugar ring structure form. 6) To which group or...
What is the importance of the 2′ hydroxyl group in the ribose sugar of an RNA molecule? Check all that apply. View Available Hint(s) Hint 1. Properties of an hydroxyl groupopened hint A hydroxyl group has the formula OH. Water, alcohols, carboxylic acids, and other hydroxy-containing compounds can be deprotonated owing to the high electronegativity of oxygen, resulting in a stable conjugate base. Hydroxy-containing compounds are also able to form hydrogen bonds, which lead to higher boiling and melting points...
IDIOSY CORE Nne Lecture test 2 on the chemicals of Lite Name: 51. Picture a globular protein in the cytoplasm of a cell. Where would you find the following amino acids: alanine and serine? COOCOO A Serine would be in the interior, and alanine would be on the exterior of the globular protein HN-C-H HŇ-Ć-H R Alanine would be in the Interior and serine would be on the exterior of the CHOH CH3 globular protein C Both serine and alanine...
25. In the base in the figure below, which includes the l'carbon of ribose, the number of atoms which are the hydrogen donors in base-pairing H-bonds is ___ A. O B. 1. C. 2 D. 3. E. 4 26. The N-terminal end of the DNA-binding homodimer zipper protein illustrated below is at the left. Amino acid residue 100 is marked. The residue # for the sidechain at the arrow is - A. 106 B. 107 C. 108 D. 93 E....
5. Which of the following molecules form complex structures linked by covalent bonds through Lys, HyLys, or His residues? A) Collagen B) Alpha keratin C) Hemoglobin D) Myoglobin E) Beta barrels 6. Which of the following correlates to the classic experiment demonstrating that reduced and denatured RNase A could refold into the native form? A) Disulfide bonds do not stabilize folded proteins B) Reducing agents denature proteins C) 1° structure can determine 3° structure D) Urea cleaves disulfide bonds E)...
Covalent and non-covalent bonds. Hydrogen bonds: what type of interaction, which atoms are involved. Covalent bonds, hydrogen bonds, Van der Waals forces, electrostatic interactions. Polarity of water What is the maximum number of hydrogen bonds that one water molecule can have with neighboring water molecules? Hydrophobic and hydrophilic molecules. Colligative properties of water Osmosis: water flow Isotonic, hypertonic and hypotonic cells: describe Amphipathic molecules. What is the molecular structure of water? Water as a universal solvent Define and describe cohesion...
THIS IS BIOCHEMISTRY A peptide has a low pI value. Which of the following amino acids are likely to be present? Glycine Serine Valine Aspartic aci Arginine The R-groups of which of the following pairs of amino acids could participate in the formation of salt bridge electrostatic interaction? Alanine and valine Valine and lysine Lysine and glutamate Serine and isoleucine Asparagine and glutamine Which of the following interactions does NOT contribute to stabilizing tertiary structure? Hydrophobic interactions Electrostatic interations...
Question 11. Certain amino acids destabilize or prevent formation of alpha-helices. Which amino acid is more likely to be found in these structures based on its charge and R-group size? A. Glycine B. Proline C. A sequence of several Glutamate D. A sequence of several Lysine E. Alanine Question 12. Which of the following is least likely to result in protein denaturation? A) Altering net charge by changing pH B) Changing the salt concentration C) Disruption of weak interactions by...
5. D-sorbital is found in 'sugar-free' chewing gum. It is formed by reducing D-glucose with NaBH Draw the structure of D-sorbital. s. (4 pts) Classify the following amino acid as polar, non- polar, acidic, or basic: 6 (4 pts) The amino acid threonine (thr) has two chiral carbons. Draw a Fischer projection of the 2S,3S configuration of threonine. キ 7.(11 pts) Draw the tripeptide lys-asp-ser at physiological pH 8. (8 pts) The pK, values for aspartic acid are 2.10, 9.82...
What kinds of interactions are NOT part of tertiary protein structure? 3 . A) salt bridges In a hydrolysis reaction, B) hydrophilic interactions A. an acid reacts with an alcohol. C) disulfide bonds E. an este reacts with NaOH. C. anester reacts with H.O. D) peptide bonds D. an acid neutralizes a base. E) hydrophobic interactions E. water is added to markene. . All amino acids have chiral Carbon atoms except a. Val 6. Lys C. ASP d. Ala e....
____ 1. The diagram below represents serine, a polar, uncharged
amino acid. Which functional group gives serine its
distinct property?
a. H3
b. CH2OH
c. –H
d. COO–
____ 2. The monomers shown below are monomers for which of the
following natural polymers?
a. polysaccharides
b. plastics
c. DNA
d. proteins
____ 3. Which of the following processes illustrates the production
of a protein?
a. specific code for amino acids --> amino acid chain -->
gene --> DNA --> specific...