Answer all questions please Question 2Starch is an example of aO none of the other answers are correctO fatcarbohydrateproteinQuestion 5The configuration of the protein's backbone describes the protein'sstructureO primaryO secondaryO tertiaryO quarternaryQuestion 6A single strand of DNA has the sequence GATACAT. Its complementary strand isO CGAGTGAO ACGCTCGTACATAGCTATGTAQuestion 8Which protein regulates blood sugar?hemoglobinlysozymeinsulinkeratin

The four classes of biological macromolecules are proteins, nucleic acids, lipids and carbohydrates.…

Answered: Starch is an example of a O none of the…

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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Question 9. Which of thefollowing is not formed through adehydration synthesis reaction?A. polysaccharideB. polypeptideC. Nucleic acidD. phospholipidE. glycerol
Question 22: which of the following secondary structures would you expect to find on the surface of a globular protein? Alpha helix Beta sheet Loops between two alpha-helices None of the above because water would disrupt the hydrogen bonding that stabilizes these structures A,B and C as long as the polar and charged amino acid side chains face the surface of the protein.
QUESTION NO.1which of the following are chemical characteristics of monosaccharides? A. They contain multiple hydroxyl groupsB. they contain an aldehyde or ketone group C. They contain a branching carbon backbone D. They contain a carbon-carbon double bond E. Every carbon in a monosaccharide is fully reduced F. Every carbon in a monosaccharide is a chiral centerQUESTION NO.2 glucose absorption is hindered by _________ deficiency A. Retinol B. Thiamine C. Potassium D. Sodium E. Ascorbic acid F. Calciferol QUESTION NO.3 phospholipids is made primarily from A. L-glycerol 1-phosphate B. L-glycerol 3-phosphate C. D-glycerol 3-phosphate D. -glycerol 1-phosphate E. sn-glycerol 1-phosphate F. sn-glycerol 3-phosphate
QUESTION 16 Peptidyl transferase activity (peptide bond enzyme activity) is associated with what site in the ribosome? E P A X
Question No.1 (1) A positive Tollen’s test classifies a monosaccharide as a reducing sugar. (2) The bond which links the two monosaccharides of a disaccharide together is a peptide bond. (3) Monosaccharides cannot be broken done into simpler units by hydrolysis reactions. Which of the following statements are true? Question No. 2 : Assuming that a strand of DNA has the following sequence: 5'-AACCGGTT-3' What is the sequence of complementary strand of DNA, from the 5' to the 3' direction?
Question 1.)Draw the main chain structure of a parallel beta sheet that has 4 amino acids in one strand and 5 in the other. Show all of the backbone atoms.Write R1, R2, R3, etc, instead of drawing side chains with the following exception: draw one proline in its entiretywith its side chain. You can put it anywhere in your sheet – I will find it. Add in all hydrogen bonds that stabilize this sheet using dashed lines.
QUESTION NO. 1Targeting a protein to be degraded within proteasomes usually requires ubiquitin. In the function of ubiquitin all of the following are true except: A. ATP is required for activation of ubiquicin. B. a peptide bond forms between the carboxyl terminal of ubiquitin and an ε-amino group of a lysine . C. linkage of a protein to ubiquitin does not always mark it for degradation. D. the N-terminal amino acid is one determinant of selection for degradation. E. ATP is required by the enzyme that transfers the ubiquitin to the protein to be degraded QUESTION NO. 2Much of procollagen formation occurs in the endoplasmic reticulum and Golgi apparatus which requires signal peptide. All of the following statements about targeting a protein for the ER are true except. A. signal peptide usually has a positively charged N-terminus and a stretch of hydrophobic amino acids. B. signal peptide emerging from a free ribosome binds signal recognition…
Question 10. All of the following areparts of a nucleotide EXCEPT:A. a five-carbon sugar.B. a six-carbon sugar.C. a phosphate group.D. a nitrogenous base.
Question 10 (2 points) A protein heterodimer would be considered an example of: -primary structure -secondary structure -tertiary structure -quaternary structure -atomic structure
Text:QUESTION 16 Protein maturation in the ER includes. A Disulfide bond formation B. proteolytic cleavage C attachment of oligosaccharide d. Prolyl isomertzation
Question 11. // Hint: Isoelectric focusing separates proteins based on their pI values, and can separate proteins that only differ by a net charge of ±1.±1. Recall that an amino acid residue with a negatively charged R group has a relatively low isoelectric point (pI) where it has zero net charge. Likewise, an amino acid residue with a positively charged R group has a relatively high isoelectric point (pI) where it has zero net charge. Order from Low pH to High pH
Which statement is true regarding denaturation process? Question 21 options: Protein experiences hydrolysis as it denatures and alters its structure. Denaturation is the process of altering the shape of a protein that involves breaking the amide bonds. Denaturation is the process of altering the shape of a protein without breaking the amide bonds. As protein denatures, new peptide bonds form with the added amino acids.

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