Biological Science, Loose-leaf Edition (7th Edition)
7th Edition
ISBN: 9780135272800
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 45, Problem 2TYK
Summary Introduction
Introduction:
The muscular contraction was explained by the sliding filament theory, which was proposed by Huxley and Hansen in 1954. Actin and myosin are the two types of proteins found in the muscle fiber. During contraction, the myosin molecules move along the actin molecules. This process requires the expenditure of energy, which is provided by phosphorylation of adenosine diphosphate (ADP) to ATP (adenosine triphosphate).
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10. Your instructor will give you 2 amino acids during the activity session (video 2-7.
A. First color all the polar and non-polar covalent bonds in the R groups of your 2 amino acids
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B. Next, color where all the hydrogen bonds, hydrophobic interactions and ionic bonds could
occur in the R group of each amino acid. Use the same colors as in #7. Do not color the bonds
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C. Position the two amino acids on the page below in an orientation where the two R groups
could bond together. Once you are satisfied, staple or tape the amino acids in place and label
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- Polar covalent Bond - Red
- Non polar Covalent boND- yellow
- Ionic BonD - PINK
Hydrogen Bonn - Purple
Hydrophobic interaction-green
O=C-N
H
I.
H
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CH2
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H
HO
H
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H₂N
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Chapter 45 Solutions
Biological Science, Loose-leaf Edition (7th Edition)
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