There are 2 major classes of keratins: alpha keratins (found in mammals) and beta keratins (found in feathers and scales of birds and reptiles) One estimate of mobility within a crystal is the B-factor that reflects spreading or blurring of electron density In NMR, the longitudinal relaxation time (T1) reflects the rate at which magnetization returns to the longitudinal axis after a pulse
There are 2 major classes of keratins: alpha keratins (found in mammals) and beta keratins (found in feathers and scales of birds and reptiles) One estimate of mobility within a crystal is the B-factor that reflects spreading or blurring of electron density In NMR, the longitudinal relaxation time (T1) reflects the rate at which magnetization returns to the longitudinal axis after a pulse
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
Related questions
Question
True and false and why is false
![Decide on whether each of the following statements is True or False
There are 2 major classes of keratins: alpha
keratins (found in mammals) and beta
V[ Choose]
False
keratins (found in feathers and scales of
True
birds and reptiles)
One estimate of mobility within a crystal is
[ Choose ]
the B-factor that reflects spreading or
blurring of electron density
In NMR, the longitudinal relaxation time (T1)
reflects the rate at which magnetization
[ Choose ]
returns to the longitudinal axis after a pulse
Paramagnetic substances are those which
contain unpaired electrons having equal and
True
opposite spins
Membrane fluidity depends on lipid
False
composition, temperature, pH, and ionic
strength
Lipids with long acyl chains form micelles
and pack efficiently into a spherical shape
[Choose ]
Nuclei with a spin number of 1/2 have not
True
magnetic field and don't show any NMR
signal](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc0e9075b-7256-4c60-9413-d015032a29f3%2F24660806-2bc0-4517-a621-1b1f2f154f4e%2Fqi27zl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Decide on whether each of the following statements is True or False
There are 2 major classes of keratins: alpha
keratins (found in mammals) and beta
V[ Choose]
False
keratins (found in feathers and scales of
True
birds and reptiles)
One estimate of mobility within a crystal is
[ Choose ]
the B-factor that reflects spreading or
blurring of electron density
In NMR, the longitudinal relaxation time (T1)
reflects the rate at which magnetization
[ Choose ]
returns to the longitudinal axis after a pulse
Paramagnetic substances are those which
contain unpaired electrons having equal and
True
opposite spins
Membrane fluidity depends on lipid
False
composition, temperature, pH, and ionic
strength
Lipids with long acyl chains form micelles
and pack efficiently into a spherical shape
[Choose ]
Nuclei with a spin number of 1/2 have not
True
magnetic field and don't show any NMR
signal
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