ANATOMY AND PHYSIOLOGY
17th Edition
ISBN: 9781630180928
Author: OpenStax
Publisher: OPENSTAX C
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Chapter 20, Problem 31CTQ
You measure a patient’s blood pressure at 130/85. Calculate the patient’s pulse pressure and mean arterial pressure. Determine whether each pressure is low, normal, or high.
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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 20 Solutions
ANATOMY AND PHYSIOLOGY
Ch. 20 - Watch this video...Ch. 20 - Listen to this CDC podcast...Ch. 20 - The endothelium is found in the ________. tunica...Ch. 20 - Nervi vasorum control ________. vasoconstriction...Ch. 20 - Closer to the heart, arteries would be expected to...Ch. 20 - Which of the following best describes veins? thick...Ch. 20 - An especially leaky type of capillary found in the...Ch. 20 - In a blood pressure measurement of 110/70, the...Ch. 20 - A healthy elastic artery ________. is compliant...Ch. 20 - Which of the following statements is true? The...
Ch. 20 - Slight vasodilation in an arteriole prompts a...Ch. 20 - Venoconstriction increases which of the following?...Ch. 20 - Hydrostatic pressure is ________. greater than...Ch. 20 - Net filtration pressure is calculated by ________....Ch. 20 - Which of the following statements is true? In one...Ch. 20 - Clusters of neurons in the medulla oblongata that...Ch. 20 - In the renin-angiotensin-aldosterone mechanism,...Ch. 20 - In the myogenic response, ________. muscle...Ch. 20 - A form of circulatory shock common in young...Ch. 20 - The coronary arteries branch off of the ________....Ch. 20 - Which of the following statements is true? The...Ch. 20 - Arteries serving the stomach, pancreas, and liver...Ch. 20 - The right and left brachiocephalic veins ________....Ch. 20 - The hepatic portal system delivers blood from the...Ch. 20 - Blood islands are ________. clusters of...Ch. 20 - Which of the following statements is true? Two...Ch. 20 - The ductus venosus is a shunt that allows...Ch. 20 - Arterioles are often referred to as resistance...Ch. 20 - Cocaine use causes vasoconstriction. Is this...Ch. 20 - A blood vessel with a few smooth muscle fibers and...Ch. 20 - You measure a patients blood pressure at 130/85....Ch. 20 - An obese patient comes to the clinic complaining...Ch. 20 - A patient arrives at the emergency department with...Ch. 20 - True or false? The plasma proteins suspended in...Ch. 20 - A patient arrives in the emergency department with...Ch. 20 - Nitric oxide is broken down very quickly after its...Ch. 20 - Identify the ventricle of the heart that pumps...Ch. 20 - What organs do the gonadal veins drain?Ch. 20 - What arteries play the leading roles in supplying...Ch. 20 - All tissues, including malignant tumors, need a...Ch. 20 - Explain the location and importance of the ductus...
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