**Question 51**The secondary structure of a protein (mark all that apply):- a. is due to the joining of amino acids to glycerol- b. relies on the influence of carbohydrates- c. is dependent on lipid involvement- d. consists of alpha helices and/or beta pleated sheets

Amino acids can be defined as the organic compounds which contain the amine (–NH2) and carboxyl…

Answered: **Question 51** The secondary…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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QUESTION 26 Which of these reagents is commonly used to determine the number of polypeptides in a protein? dansyl chloride 2-mercaptoethanol (B-ME) DEAE cyanogen bromide iodoacetate O O O O
QUESTION 38 Glycoprotein oligosaccharides are usually linked to the amino acid. A. serine B. cysteine C. aspartate D. arginine
Question 13 This disaccharide CH2OH CH2OH H он H H ÓH ÓH O is a reducing sugar O has two reducing ends O is a nonreducing sugar « Previous I-
QUESTION 26 HDL and LDL are lipoproteins that contain different amounts of lipids relative to proteins. Identify the WRONG statement about HDL and LDL. HDL is often referred to as good cholesterol, whereas LDL is often referred to as bad cholesterol HDL has a higher density compared to LDL Both HDL and LDL are complexesof proteins and lipids HDL is enriched in cholesterol and delivers it from the liver to peripheral tissues QUESTION 27 14C at 14C is a radioactive isotope of carbon. 14C-labeled compounds are useful in understanding metabolic conversions.a carbon, which metabolite will contain this label after the completion of fatty acid oxidation? Ly acid contains pyruvate oxaloacetate glucose acetyl CoA
Question 35 1 pts A crystal of sodium chloride ( in the absence of water) would contain bonds. O lonic O all of the above Hydrogen O polar covalent O non-polar covalent Question 36 1 pts Which lipid would likely be a liquid at room temperature? O Palmitic acid (a 16-carbon saturated fatty acid) Oleic acid (an 18-carbon monounsaturated fatty acid) O Stearic acid (an 18-carbon saturated fatty acid) O Lauric acid (a 12-carbon saturated fatty acid)
QUESTION 27 Consider figure below with three sugar units A, B, and C CH2OH A но OH но сн2 HOCH2 OH H L0JH но CH-OH но H В (a) Which monosaccharide is furanose and which is pyranose? A (b) What is the linkage between the monosaccharide units (answer example: 1 to 2) Between sugar A and B Between sugar B and C (C) Is this a reducing sugar? yes or no
QUESTION 7 The covalent bond that joins glycerol and a fatty acid together (once dehydration synthesis has occurred) is called O a peptide bond O a phosphodiester linkage an ester bond a disulfide bridge QUESTION 8 Watch this video about proteins and then answer the questions that follow. What two functional groups are present in all amino acids? aldehyde hydroxyl amino carboxyl
QUESTION 1 The full name of this amino acid is The 3-letter abbreviation is Please also note the following: • The non-ionized structure is shown • Spelling matters • For the acidic amino acids use the full name, e.g. "so-and-so acid" • Case does not matter • Do not include L- or D- in the name НООС- СH - NH2 CH3
Is 19 correct
QUESTION 23 Most proteins that are anchored to the cell membrane receive this modification: O Lipidation O Ubiquitylation Glycosylation O Phosphorylation
QUESTION 5 In RNA, adenine pairs with bonds. with bonds and guanine pairs with with uracil, triple, thymine, double uracil, double, thymine, triple uracil, triple, cytosine, double O uracil, double, cytosine, triple
QUESTION 25 Phosphorylation, acetylation, methylation, and ubiquitylation are all ways to: Regulate carbohydrates using small molecules O Turn on and off the activity of proteins O Remove amino acids from proteins O Join proteins together

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**Question 51** The secondary structure of a protein (mark all that apply): - a. is due to the joining of amino acids to glycerol - b. relies on the influence of carbohydrates - c. is dependent on lipid involvement - d. consists of alpha helices and/or beta pleated sheets

Question 51 The secondary structure of a protein (mark all that apply): - a. is due to the joining of amino acids to glycerol - b. relies on the influence of carbohydrates - c. is dependent on lipid involvement - d. consists of alpha helices and/or beta pleated sheets