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Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Biology: The Dynamic Science (MindTap Course List)
Biological Molecules: The Carbon Compounds Of Life. 9TYK
ScienceBiologyBiology: The Dynamic Science (MindTap Course List)The amino acids are the building blocks of proteins. These are linked to each other by peptide bonds and the sequence thus formed is also known as a polypeptide. Proteins serve various functions such as maintaining the structure in the form of muscles, catalyze biochemical reactions in the form of enzymes, and allows proper folding biomolecules in the form of chaperonins.
The amino acids are the building blocks of proteins. These are linked to each other by peptide bonds and the sequence thus formed is also known as a polypeptide. Proteins serve various functions such as maintaining the structure in the form of muscles, catalyze biochemical reactions in the form of enzymes, and allows proper folding biomolecules in the form of chaperonins.
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Chapter 3, Problem 9TYK
Summary Introduction
Introduction:
The amino acids are the building blocks of proteins. These are linked to each other by peptide bonds and the sequence thus formed is also known as a polypeptide. Proteins serve various functions such as maintaining the structure in the form of muscles, catalyze biochemical reactions in the form of enzymes, and allows proper folding biomolecules in the form of chaperonins.
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Check out a sample textbook solutionBiology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
Not helpful? See similar books
Biology: The Dynamic Science (MindTap Course List)
Biological Molecules: The Carbon Compounds Of Life. 9TYK
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Chapter 3 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 3.1 - Prob. 1SBCh. 3.1 - Prob. 2SBCh. 3.1 - Prob. 3SBCh. 3.1 - Prob. 4SBCh. 3.2 - Prob. 1SBCh. 3.3 - Prob. 1SBCh. 3.4 - Prob. 1SBCh. 3.4 - Prob. 2SBCh. 3.4 - Prob. 3SBCh. 3.5 - Prob. 1SB
Ch. 3.5 - Prob. 2SBCh. 3 - Prob. 1TYKCh. 3 - Prob. 2TYKCh. 3 - Prob. 3TYKCh. 3 - Prob. 4TYKCh. 3 - Prob. 5TYKCh. 3 - Prob. 6TYKCh. 3 - Prob. 7TYKCh. 3 - Prob. 8TYKCh. 3 - Prob. 9TYKCh. 3 - Prob. 10TYKCh. 3 - Prob. 11TYKCh. 3 - Prob. 12TYKCh. 3 - Prob. 13TYKCh. 3 - Prob. 14TYKCh. 3 - Prob. 15TYKCh. 3 - Prob. 1ITDCh. 3 - Prob. 2ITDCh. 3 - Prob. 3ITD
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Which of the following are NOT a level of biological structure?
macromolecular level
cellular/ organelle levels
tissue/ organ level
organismal level
all of the above
none of the above
Which of the following are steps in the biosynthesis of proteins can be regulated?
macromolecular level
cellular/ organelle levels
tissue/ organ level
organismal level
all of the above
none of the above.
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Match the level of protein structure to its description:
Primary
Secondary
Tertiary
Quaternary
A.
Folding due to interactions among the peptide backbone
B.
Interactions among multiple polypeptide chains
C.
Sequence of amino acids
D.
Folding due to interactions among side chains
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In biological processes, it is often observed that various molecules interact with a functioning protein. This interaction might occur in which of the following ways:
A) at a transport site, B) through a protein portal /channel, C) at a binding site, D) at an active site, E) all of these are examples.
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Protein A is a structural component while Protein B is an enzyme. Which could be characteristics of Protein A and Protein B?
A. Protein A could have repetitive amino acid sequence while protein B be could have irregular amino acids.
B. Protein B could be a type of collagen while Protein B could be a type of keratin.
C. Protein A could be generally soluble in water while Protein B could be insoluble.
D. Protein B could contain mainly αlpha-helix while Protein A could contain equal amounts of αlpha-helix and β-sheet.
E. Protein A could be a globular protein while Protein B could be a fibrous protein.
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The difference between a polypeptide and a protein is
a. that proteins are polypeptides folded up into a functional three-dimensional conformation
b. that proteins are precursors of polypeptides
c. that polypeptides are made of protein folded up into a functional three-dimensional conformation
d. that proteins are always made with many polypeptides
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This protein adduct can hold (tether) a peripheral membrane protein to the cell membrane: A) A fatty Acid B) A charged amino acid. C) A polar amino acid D) A phosphate group
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The function of proteins is limited to one or two tasks. Proteins play multiple roles in living things. Match the functions of proteins to their corresponding descriptions.
1.
signaling proteins
2.
structural proteins
3.
sensory proteins
4.
regulatory proteins
5.
motor proteins
a.
help cells move throughout the body
b.
turn genes on and off
c.
involved in cellular communication
d.
can detect light, heat, and sound
e.
proteins that help strengthen cells, tissues, and organs
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Proteins are the dominant structural and functional molecules in a cell.
Which one of the following statements about proteins is NOT correct?
A.
The native conformation of a protein is usually arrived at very quickly after synthesis.
B.
Hydrogen bonding is the only type of bonding that gives rise to secondary structure.
C.
Urea denatures proteins by disrupting the interactions among non-polar (hydrophobic) amino acids
D.
Most proteins consist of a single polypeptide and thus do not have quaternary structure.
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Which of the following statements is FALSE?
Select one:
a.
Secondary structure of a protein determines how it folds up into a unique three dimensional structure.
b.
Three dimensional structure of a protein determines the function of a protein.
c.
Primary structure of a protein determines how it folds up into a unique three dimensional structure.
d.
Amino acid sequence is absolutely important for a particular protein.
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Four levels of protein structures are described. Using both words AND sketches explain each of the four levels.
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Which of the following types of molecular interactions play a role in protein folding? Select all that apply.
A. Covalent bonds
B. Hydrogen bonds
C. Van der Waals attraction
D. Hydrophobic interactions
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List and describe the six functions that proteins provide to cells. Give an example for each function
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