Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 3.6, Problem 1TYK
Which of the following is the primary structure of a protein?
-
- its amino acid sequence
- its three-dimensional shape
- its protein subunits
- its random coils
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Which of the following is an example of secondary protein structure?A) DipeptideB) TriglycerideC)α -helixD) Amino acidE) Fatty acid
Which of the which of the following forces are involved in maintaining the primary structure of a protein?
covalent bonds
hydrogen bonds
ionic interactions
hydrophobic interactions
A 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.
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Chapter 3 Solutions
Principles of Biology
Ch. 3.1 - Carbon has an atomic number of ___________ and has...Ch. 3.1 - Prob. 2TYKCh. 3.2 - Formation of polymers from monomers typically...Ch. 3.3 - Which of the following classes of organic...Ch. 3.4 - Prob. 1CCCh. 3.4 - Prob. 1BCCh. 3.4 - Glucose, galactose, and fructose are examples of...Ch. 3.4 - _____________ is a storage polysaccharide commonly...Ch. 3.5 - When water and oil are added to a test tube, the...Ch. 3.5 - For a more detailed view of the components of cell...
Ch. 3.5 - Hydrolysis of a triglyceride yields 3 glycerols...Ch. 3.5 - Which of the following are highly amphipathic?...Ch. 3.6 - Which of the following is the primary structure of...Ch. 3.6 - A peptide bond is formed between amino groups of...Ch. 3.7 - If the sequence of bases in one strand of a DNA...Ch. 3.7 - Prob. 1TYKCh. 3.7 - Which of the following is not found in DNA?...Ch. 3 - Which of the following is a common functional...Ch. 3 - Prob. 2TYCh. 3 - Prob. 3TYCh. 3 - Which of the following bonds is/are nonpolar?...Ch. 3 - Prob. 5TYCh. 3 - Prob. 6TYCh. 3 - Prob. 7TYCh. 3 - Prob. 8TYCh. 3 - Prob. 9TYCh. 3 - Prob. 10TYCh. 3 - Imagine that a proteins primary structure could...Ch. 3 - Explain the difference between saturated and...Ch. 3 - Prob. 3CCQCh. 3 - Prob. 1CBQCh. 3 - Prob. 2CBQ
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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_forwardCell membranes consist mainly of ________ and ________. a. lipids; carbohydrates b. phospholipids; proteins c. lipids; carbohydrates d. phospholipids; ECMarrow_forwardWhat kinds of bonds often control the shape (or tertiary form) of large molecules such as proteins? a. hydrogen b. ionic c. covalent d. inert e. singlearrow_forward
- Describe the four levels of protein structure. How do a proteins side groups influence its interactions with other substances? What happens when a protein is denatured?arrow_forwardBelow is the structure of glycine. Draw a tripeptide composed exclusively of glycine. Label the N-terminus and C-terminus. Draw a box around the peptide bonds.arrow_forwardFigure 3.23 Which categories of amino acid would you expect to find on the surface of a soluble protein, and which would you expect to find in the interior? What distribution of amino acids would you expect to find in a protein embedded in a lipid bilayer?arrow_forward
- Unlike saturated fatty acids, the tails of unsaturated fatty acids incorporate one or more _______. a. phosphate groups b. glycerols c. double bonds d. single bondsarrow_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_forwardAt 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 acidsarrow_forward
- Which 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_forwardWhich one of the following types of bond is principally responsible for holding the α-helix shape of a protein secondary structure : A) peptide B) disulfide C) hydrogen D)ionicarrow_forwardWhich levels of protein structure are determined by primary structure (i.e. the specific amino acid sequence beginning at the amino terminus of the polypeptide)? 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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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY