Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135755785
Author: Gerald Audesirk, Teresa Audesirk
Publisher: PEARSON+
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Chapter 3, Problem 2FIB
Summary Introduction
Introduction:
The subunits of proteins are held together by the help of bonds called amino acids. The bonds within the atoms are also held by hydrogen bonds. The amino acid cysteine has sulfur-containing R group which forms covalent disulfide bonds.
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Fill in the following with the specific bond(s): Maintain(s)the helical structure of many proteins____________: ;link(s) polypeptide chains and can cause proteins tobend:_______ and________ ; join(s) the twostrands of the double helix of DNA:_________ ; link(s) amino acids to form the primary structure of proteins:_______.
Protein structure is directly related to function. Which of the following statements is true regarding this concept ?
Polypeptide backbone
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CH2
lonic bond
Hydrogen !
bond
C- NH2
Disulfide
linkage
CH
CH2
HạC
CH3
CH3
H3C
CH
-CH2
Hydrophobic
interactions
A. The primary structure consists of the DNA sequence. The secondary and tertiary structures are dependent on interactions between the DNA and RNA polymerase. Mutations resulting in changes one or
more bases has the potential to destroy the structure, and therefore the function, of the protein.
B. The primary structure consists of the amino acid sequence. The secondary and tertiary structures are dependent on interactions between the amino acid side chains. Mutations resulting in changes one or more
amino acids has the potential to destroy the structure, and therefore the function, of the protein.
C. The primary structure consists of the DNA sequence. The secondary structure consists of the amino acid…
This image shows the tertiary structure of a protein segment. Tertiary structure results from different interactions, or forces, between groups. Move the example of each force to the appropriate description on the protein. Then, identify the major force controlling tertiary structure. (Need help) It says I'm wrong.
Chapter 3 Solutions
Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
Ch. 3.1 - which of these is/are polar molecules? (you may...Ch. 3.1 - define organic molecules and explain why carbon is...Ch. 3.1 - explain why functional groups are important in...Ch. 3.1 - name and describe the properties of seven...Ch. 3.2 - define organic molecules and explain why carbon is...Ch. 3.3 - Describe hydrolysis of this molecule.Ch. 3.3 - describe the major types of carbohydrates?Ch. 3.3 - provide examples of each type of carbohydrate and...Ch. 3.4 - Look up the rest of the amino acids and. based on...Ch. 3.4 - Infectious prions such as those that cause mad cow...
Ch. 3.4 - Why do many proteins, when heated excessively....Ch. 3.4 - Why a Perm Is (Temporarily) Permanent?Ch. 3.4 - describe protein subunits and how proteins are...Ch. 3.4 - explain the four levels of protein structure and...Ch. 3.4 - list several functions of proteins and provide...Ch. 3.4 - Prob. 4CYLCh. 3.5 - describe the general structure of nucleotides?Ch. 3.5 - list three different functions of nucleotides?Ch. 3.5 - explain how nucleic acids are synthesized?Ch. 3.5 - give two examples of nucleic acids and their...Ch. 3.5 - Puzzling Proteins All cells use DNA as a blueprint...Ch. 3.6 - What kind of reaction breaks this molecule apart?Ch. 3.6 - An obese 55-year-old woman consults her physician...Ch. 3.6 - Why are steroid hormones able to diffuse through...Ch. 3.6 - compare and contrast the structure and synthesis...Ch. 3.6 - describe the functions of fats, oils, and waxes?Ch. 3.6 - Prob. 3CYLCh. 3.6 - Prob. 1CTCh. 3 - Polar molecules a. dissolve in lipids. b. are...Ch. 3 - Prob. 2MCCh. 3 - Prob. 3MCCh. 3 - Which of the following is not composed of...Ch. 3 - Prob. 5MCCh. 3 - In organic molecules made of chains of subunits,...Ch. 3 - Prob. 2FIBCh. 3 - Prob. 3FIBCh. 3 - Prob. 4FIBCh. 3 - Fill in the following with the appropriate type of...Ch. 3 - Prob. 1RQCh. 3 - List the four principal classes of biological...Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Prob. 5RQCh. 3 - Describe the synthesis of a protein from amino...Ch. 3 - Where in nature do we find cellulose? Where do we...Ch. 3 - Based on their structure, sketch and explain how...Ch. 3 - Prob. 2ACCh. 3 - Prob. 3AC
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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_forwardWhich statement about quaternary structure is TRUE? Quaternary structure is unaffected by acids or heat. Quaternary structure is determined by the same interaction that holds an α-helix together. Quaternary structure is how prosthetic groups are held in a protein. Quaternary structure is the position of subunits in the overall structure of a protein. All proteins have quaternary structurearrow_forwardfill the following table polymer or large biological molecule monomer or smaller subunit one funtion name od covalent bond nulceic acids three fatty acids easter bond acts as an enzyme immediate or long-term energy source glycosidic linkagearrow_forward
- Encircle ALL PEPTIDE BONDS in the givenarrow_forwardIdentify and describe the polymer structures of a protein that constitutes its unique conformation. (b) Enzymes function is dependent upon its shape. Identify ONE environmental factor and explain the way in which it affects its function. refer to picturearrow_forwardA peptide bond is to _____ as a glycosidic bond is to ____________.arrow_forward
- The enzyme caspase-14 is manufactured by skin cells. Caspase-14 functions in the cytoplasm to make outer skin cells firm. When the amino acid chain of caspase-14 is folded, it makes an beta-pleated sheet. This describes which level of protein structure? Question 9 options: Primary structure Secondary structure Tertiary structure Quaternary structurearrow_forwardA protein is composed of amino acids, which are held together by the covalent bonds known as: phosphodiester bonds ester bonds glycosidic bonds ether bonds peptide bondsarrow_forwardA linear tripeptide has— 3 amino acids and 1 peptide bond. 3 amino acids and 2 peptide bonds. 3 amino acids and 3 peptide bonds. 3 amino acids and 4 peptide bonds. 3 amino acids and 5 peptide bonds.arrow_forward
- The disulfide bonds that make up the tertiary structure of proteins are stabilized by hydrogen bonds. Select one: True Falsearrow_forwardDescribe the four levels of protein in great depth. Desrcibe how protein structure may affect functioning.arrow_forwardDetermine whether the following statements describing protein structures is correct or incorrect. CORRECT INCORRECT Proteins in a primary structure consist of a simple polypeptide chain. Interactions between the R groups in amino acids form tertiary structure. Secondary structures are formed by multiple polypeptide chains The two types of secondary structures are the alpha and beta pleated sheetsarrow_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