Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 3, Problem 17RQ
Mad cow disease is an infectious disease where one misfolded protein causes all other copies of the protein to being misfolding. This is an example of a disease impacting
structure.
- primary
- secondary
- tertiary
- quaternary
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when a protein has achieved the _______ level of protein structure, it takes on a 3d shape due to the r group interactions.
primary
secondary
tertiary
quaternary
This structure of a protein comes from the further bending and folding of pleated sheets and helices:
A. primary
B. secondary
C. tertiary
D. quaternary
At what level of protein structure (primary, secondary, tertiary, or quaternary) will protein structure be initially altered?
Heating a protein (due to fever), causing hydrogen bonds to break.
Drastic changes in pH (like the above patients), causing some polar amino acids to turn into non-polar amino acids
Chapter 3 Solutions
Biology 2e
Ch. 3 - Figure 3.5 What kind of sugars are these, aldose...Ch. 3 - Figure 3.23 Which categories of amino acid would...Ch. 3 - Figure 3.33 A mutation occurs, and cytosine is...Ch. 3 - Dehydration synthesis leads to formation of...Ch. 3 - During the breakdown of polymers, which of the...Ch. 3 - The following chemical reactants produce the ester...Ch. 3 - An example of a monosaccharide is fructose glucose...Ch. 3 - Cellulose and starch are examples of:...Ch. 3 - Plant cell walls contain which of the following in...Ch. 3 - Lactose is a disaccharide formed by the formation...
Ch. 3 - Which of the following is not an extracellular...Ch. 3 - Saturated fats have all of the following...Ch. 3 - Phospholipids are important components of...Ch. 3 - Cholesterol is an integral part of plasma...Ch. 3 - The monomers that make up proteins are called...Ch. 3 - The helix and the pleated sheet are part of...Ch. 3 - Mad cow disease is an infectious disease where one...Ch. 3 - A nucleotide of DNA may contain. ribose, uracil,...Ch. 3 - The building blocks of nucleic acids are ____. a....Ch. 3 - How does the double helix structure of DNA support...Ch. 3 - Why are biological macromolecules considered...Ch. 3 - What role do electrons play in dehydration...Ch. 3 - Amino acids have the generic structure seen below,...Ch. 3 - Describe the similarities and differences between...Ch. 3 - Why is it impossible for humans to digest food...Ch. 3 - Draw the ketose and aldose forms of a...Ch. 3 - Explain at least three functions that lipids serve...Ch. 3 - Why have trans fats been banned from some...Ch. 3 - Why are fatty acids better than glycogen for...Ch. 3 - Part of cortisol’s role in the body involves...Ch. 3 - Explain what happens if even one amino acid is...Ch. 3 - Describe the differences in the four protein...Ch. 3 - Aquaporins are proteins embedded in the plasma...Ch. 3 - What are the structural differences between RNA...Ch. 3 - What are the four types of RNA and how do they...
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- Which of the following levels of protein structure may be affected by hydrogen bonding? (a) primary and secondary (b) primary and tertiary (c) secondary, tertiary, and quaternary (d) primary, secondary, and tertiary (e) primary, secondary, tertiary, and quaternaryarrow_forwardAn example of a monosaccharide is ________. a. fructose b. glucose c. galactose d. all of the abovearrow_forwardUnlike saturated fatty acids, the tails of unsaturated fatty acids incorporate one or more _______. a. phosphate groups b. glycerols c. double bonds d. single bondsarrow_forward
- Which of the following is the distinguishing factor of a protein? The backbone of the protein chain Its solubility The side chains of the protein chain The prosthetic grouparrow_forwardThe structural level of a protein least affected by a disruption in hydrogen bonding is the a. primary b.secondary c. tertiary d. quaternaryarrow_forwardthe linear sequence of amino acids in a polypeptide chain is referred to as a proteins _________ structure primary secondary tertiary quaternaryarrow_forward
- The primary structure of a protein is an alpha helix or a pleated sheet. the amino acid sequence of the polypeptide chain. composed of two or more polypeptide chains. maintained by hydrogen bonds.arrow_forwardProteins are synthesized by a reaction called__________synthesis, which releases______________ . Subunits of proteins are called________ . The sequence of protein subunits is called the_________ structure of the protein. Two regular configurations of secondary protein structure are__________ and________ . When a protein’s secondary or higher-order structure is destroyed, the protein is said to be__________ .arrow_forwardA protein has higher order structure. Which statement about higher order structure of proteins is true? Group of answer choices A protein's primary structure is its amino acid sequence. The quaternary structure of a protein is comprised of its alpha helices and beta pleated sheets. Polypeptide subunits combine to form a protein's tertiary structure. All previous answers None of these answersarrow_forward
- The arrangement of subunits to form a larger protein is called the protein's a. primary structure b. secondary structure c. tertiary structure d. quaternary structurearrow_forwardWhich of the following statement about quaternary structure of protein is correct? Select one: a. Quaternary structure is a force between different polypeptides. b. Hydrogen bond is an only force found in quaternary structure. c. Quaternary structure contains one polypeptide. d. Quaternary structure is an unfolded form of protein.arrow_forwardWhich levels of protein structure are determined by primary structure mark all that apply 1. secondary structure (alpha helices and/or beta sheets) 2. tertiary structure (the folded, three-dimensional shape of a protein) 3. amino acids 4. peptide bondsarrow_forward
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