HUMAN ANATOMY + PHYSIOLOGY + MAST AP
11th Edition
ISBN: 9780136782056
Author: Marieb
Publisher: INTER PEAR
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Chapter 9, Problem 21RQ
Summary Introduction
To review:
The definition and cause(s) of “muscle fatigue”.
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O Macmillan Learning
Glu-His-Trp-Ser-Gly-Leu-Arg-Pro-Gly
The pKa values for the peptide's side chains, terminal amino groups, and carboxyl groups are provided in the table.
Amino acid Amino pKa Carboxyl pKa Side-chain pKa
glutamate
9.60
2.34
histidine
9.17
1.82
4.25
6.00
tryptophan
9.39
2.38
serine
9.15
2.21
glycine
9.60
2.34
leucine
9.60
2.36
arginine
9.04
2.17
12.48
proline
10.96
1.99
Calculate the net charge of the molecule at pH 3.
net charge at pH 3:
Calculate the net charge of the molecule at pH 8.
net charge at pH 8:
Calculate the net charge of the molecule at pH 11.
net charge at pH 11:
Estimate the isoelectric point (pl) for this peptide.
pl:
Biology Question
This entire structure (Pinus pollen cone) using lifecycle terminology is called what?
Chapter 9 Solutions
HUMAN ANATOMY + PHYSIOLOGY + MAST AP
Ch. 9 - Prob. 1RQCh. 9 - 2. A fascicle is a (a) muscle, (b) bundle of...Ch. 9 - 3. Thick and thin myofilaments have different...Ch. 9 - 4. The function of the T tubules in muscle...Ch. 9 - 5. The sites where the motor nerve impulse is...Ch. 9 - 6. Contraction elicited by a single brief stimulus...Ch. 9 - 7. A smooth, sustained contraction resulting from...Ch. 9 - 8. Characteristics of isometric contractions...Ch. 9 - 9. During muscle contraction, ATP is provided by...Ch. 9 - 10. The neurotransmitter released by somatic motor...
Ch. 9 - 11. The ions that enter the skeletal muscle cell...Ch. 9 - 12. Myoglobin has a special function in muscle...Ch. 9 - 13. Aerobic exercise results in all of the...Ch. 9 - 14. The smooth muscle type found in the walls of...Ch. 9 - 15. Name and describe the four special functional...Ch. 9 - 16. Distinguish between (a) direct and indirect...Ch. 9 - 17. (a) Describe the structure of a sarcomere and...Ch. 9 - 18. What is the importance of acetylcholinesterase...Ch. 9 - 19. Explain how a slight (but smooth) contraction...Ch. 9 - 20. Explain what is meant by the term...Ch. 9 - 21. Define and draw a motor unit.
Ch. 9 - 23. True or false: Most muscles contain a...Ch. 9 - 24. Describe some cause(s) of muscle fatigue and...Ch. 9 - 26. Smooth muscle has some unique properties, such...Ch. 9 - 2. When a suicide victim was found, the coroner...Ch. 9 - 3. Muscle-relaxing drugs are administered to a...Ch. 9 - Children with Muscular Disorders You're doing a...Ch. 9 - Children with Muscular Disorders
You're doing a...Ch. 9 - Children with Muscular Disorders
You're doing a...Ch. 9 - Children with Muscular Disorders
You're doing a...Ch. 9 - Children with Muscular Disorders You're doing a...Ch. 9 - Children with Muscular Disorders You're doing a...Ch. 9 - Children with Muscular Disorders
You're doing a...
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