Scientists are now targeting Europa, one of Jupiter's moon, as a likely site for searching elementary life-forms because

The experimental procedures that will allow the students to determine both of these relationships is option E:

The formula  F = IL x B calculates the magnetic force acting through a magnetic field on a current-carrying wire. The magnetic field acts on a wire when a current is conducted through it in a direction that is perpendicular to both the magnetic force.

By increasing the amount of current flowing through the wire, the magnetic field's strength can be enhanced. As you get further from the wire, the strength gets weaker. If the amount of current flowing through it stays constant, its length and thickness have no bearing.

Therefore, the length of the wire in the magnetic field has an impact on the magnetic force's strength as well. The force acting on a wire increases with wire length in a magnetic field.

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The distance travelled by the car after the brake was applied is 125 m.

The distance travelled by the car is calculated by applying the following kinematic equation as shown below.

Mathematically, the distance travelled by the car at the given average speed is calculated as;

s = [ ( v + u ) / 2 ] t

where;

The distance travelled by the car is calculated as;

s = [ ( 0 + 25 m/s ) / 2 ] ( 10 s )

s = 125 m

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The force exerted at the large piston will be double in magnitude in comparison with the force applied at the smaller piston.

We know, according to the pascal's law,

The pressure applied at any point in the incompressible fluid is equal in magnitude at each and every point.

So,

P = Force/Area

Where P is pressure,

If pressure is same, then we can write,

F₁/A₁ = F₂/A₂

Where,

F₁ is the force applied at the small piston,

A₁ is the area of the smaller piston,

F₂ is the force at the larger piston,

A₂ is the area of the larger piston,

It is also given that, area if the larger piston is two times the area of the smaller piston so,

A₂ = 2A₁

So, putting the values we get,

F₂/F₁ = 2

So, F₂ = 2F₁

It means that the force exerted by the larger piston will be double in magnitude.

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Parallax, main-sequence fitting, cepheid variables, Tully-Fisher relation, and Hubble's law are the sequence lists methods for determining distance.

Parallax is the closest method for determining distance. This method uses the principle of triangulation to measure the distance of a nearby star relative to Earth. Main-sequence fitting is another method used to measure the distance of stars. This method compares the brightness of a star to other stars of known distance and luminosity to determine its distance.

Cepheid variables are stars whose brightness varies in a predictable way over time. This method uses the period of the star's brightness to determine its intrinsic luminosity, and then its distance. The Tully-Fisher relation is a method for measuring the distance of galaxies. This method uses the rotation speed of the galaxy and its brightness to calculate its distance.

Finally, Hubble's law is the most distant method for determining distance. This law states that the farther away a galaxy is, the faster it moves away from us. This allows us to calculate the distance of galaxies by measuring their rate of recession.

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The unit of G is found out to be m³/kg * s².

The force of gravitational attraction is represented by the equation.

F = (G m₁ m₂)/r²

where,

F is the magnitude of the gravitational attraction on either body

m₁ and m₂ are the masses of the bodies,

r is the distance between them

G is the gravitational constant

We need to find the unit of G,

G = (F * r²)/(m₁ m₂)

Let us place the units for the above formula,

G = (N * m²)/kg²

N = kg m/s²

G = (kg * m * m²)/ kg² * s²

G = m³/kg * s²

Thus, the correct option is m³/kg * s².

The question is incomplete. The complete question is 'Gravity causes objects to be attracted to one another. This attraction keeps our feet firmly planted on the ground and causes the moon to orbit the earth. The force of gravitational attraction is represented by the equation.

F= Gm1 m2 /r^2

where F is the magnitude of the gravitational attraction on either body, m1 and m2 are the masses of the bodies, r is the distance between them, and G is the gravitational constant. In Sl units, the units of force are kg m/s^2, the units of mass are kg, and the units of distance are m. For this equation to have consistent units, the units of G must be which of the following?

a. kg^3/ms^2

b. kgs^2/m^3

c. m^3/kgs^2

d. m/kgs^2

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A inaccessible object is a dynamic variable on the free store without any pointer pointing to it.

Utilize the sextant's arc to determine the angle. By dividing the object's distance from the point of observation by the tan of the angle you calculated, you may use a scientific calculator to get the object's height.

The measuring of heights and distances that are unreachable is made easier by right-triangle trigonometry. By drawing a right triangle with the unknown height or distance as one of its sides and a known side and angle on the other, it is possible to determine the unknown height or distance.

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Answer:

dynamic variable

Answer:

Here, h1=4.00m,h92)=3.00m,Delta t =0.01 s.Letv1 be the velocity of the ball (actind downwards) just before striking the floor an dv20 be the velocity of the ball (acting upwaeds) ust after striking the floor. Then, change in velocity of the ball in time Δtv2−(−v1)v2+v1

:. acceleration, a=v2+v1Δt ..(i)

When body falls from height h1,

then u=o,v1,a=gandS=h1

As, v21=u2+2aS,

:. v_(1) ^(2) =0 + g h_(10 or v12–√gh1

Taking motion of the ball after striking the floor, then u=v2,v=0,a=−g,S=h2

As, v2=u22as,∴v21=0+2gh1orv_(1) =sqrt 32 g h_(1)Tak∈gmotionoftheballa>erstrik∈gthe⌊,⌋thenu=v_(2), v=0, a=- g, S=h_(2)As,v2=u2+2aS,wehave0 = v_(2)^(2) +2 (-g) h_92) otr v2=2–√gh2

Putting values in (i) we get,

a=2–√gh2+2–√gh1Δt)

a=2–√×9.8×3+2–√×9.8×40.01

= 1652m/s2.

Explanation:

(a) The ratio of the slit separation d, to the slit width D;

                               d/D = 0.0001

(b The ratio of the slit width to the wavelength of the light source λ;

                                d/λ = 51.25

(c) The wavelength, in nanometers, of the light source;

                                   λ = 331.7 nm

(d) The slit width, in micrometers;

                                   d = 20.5 µm

(a) We know that Fringe width is given by,

                                  [tex]\beta =\frac{D\lambda}{d}[/tex]

Where,

           D = slit to screen distance

           λ = wavelength

           d = slit width

Given in the question,

           D = 2.05 m

           [tex]\beta =4 cm=0.04m[/tex]

Now,

          [tex]\frac{d}{D} =\frac{\lambda}{\beta } =\frac{400*10^{-9} }{0.04}[/tex]

                 d/D = 0.0001

Hence,

            The ratio of the slit separation d, to the slit width D;

                               d/D = 0.0001

(b) Ratio of d & λ,

                            [tex]\frac{d}{\lambda} =\frac{D}{\beta }[/tex]

                            [tex]\frac{d}{\lambda}=\frac{2.05}{0.04}[/tex]

                            [tex]\frac{d}{\lambda}=51.25[/tex]

Hence,

           The ratio of the slit width to the wavelength of the light source λ;

                                d/λ = 51.25

(c)  The wavelength of the light source,  

                            [tex]\lambda=\frac{D\beta }{d}[/tex]

                            [tex]\lambda=\frac{17*10^{-6} *0.04}{2.05}[/tex]

                            [tex]\lambda=331.7nm[/tex]

Hence,

            The wavelength, in nanometers, of the light source;

                             λ = 331.7 nm

(d) The slit width,

                           [tex]d =\frac{D\lambda}{\beta }[/tex]

                           [tex]d=\frac{400*10^{-9} *2.05}{0.04}[/tex]

                           [tex]d=20.5 \mu m[/tex]

Hence,

           The slit width, in micrometers;

                                   d = 20.5 µm

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A particle moves under the influence of a conservative force, The maximum x-coordinate of the particle at x = -3 m is 7 m.

Given that,

Potential energy of the particle u(x) = 5x² - 20x + 2

We know the relation between force and potential energy as,

F = -du/dx = -d/dx (5x² - 20x + 2) = -(10 x - 20 ) = 20 - 10 x at mean position x = 2.

At x = -3, amplitude is given by x = 2 - (-3) = 5

The maximum x co-ordinate is given as x = 5 + 2 = 7 m

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Joan is going with speed 30 m/s. Hence, option (C) is correct.

Acceleration is the rate at which a velocity changes over time. It qualifies as a vector quantity because it possesses both direction and magnitude. Meter/second^2 (m/s^2) is the SI unit of acceleration.

Given that: initial speed of the car: u = 10 m/s.

Uniform acceleration of the car: a =  4 m/s^2.

Distance travelled: s = 100 meters.

Let, the final speed is = v

Using the formula v² = u² + 2as, we get:

v = √(10² + 2×4×100) m/s.

= 30 m/s.

Hence, final speed of the car is 30 m/s.

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The correct option is that C. The induced current will be clockwise until the bottom of the loop reaches the wire and will be counterclockwise when the bottom of the loop goes below this point. This is because the induced current is proportional to the rate of change of the magnetic field flux, which increases when the bottom of the loop is above the wire and decreases when the bottom of the loop is below the wire.

According to Faraday's law, the magnetic flux change rate in a circuit equals the magnitude of the induced EMF in the circuit. Additionally inversely correlated with the rate of change of magnetic flux in the circuit is hens induced current.

Lenz's law states that an induced current will flow in the opposite direction of the cause that is causing it. When the bottom of the loop is below this point, the induced current is counterclockwise until the bottom of the loop reaches the wire. This is because the magnetic field flux changes more quickly when the bottom of the loop is above the wire because the induced current is proportional to this

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Answer:

18447 J

Explanation:

To calculate the internal energy of steam at a given temperature, we need to know the specific heat capacity of steam and the enthalpy of vaporization. The specific heat capacity of steam at a constant pressure is approximately 2.08 J/g*K, and the enthalpy of vaporization (latent heat) at 100°C is 2257 kJ/kg.

We can use the following equation to calculate the internal energy of steam at a given temperature:

U = m * Cp * (T - T_b) + m * L

Where U is the internal energy, m is the mass of the steam, Cp is the specific heat capacity of steam, T is the temperature of the steam, Tb is the boiling temperature of the steam, and L is the enthalpy of vaporization.

Since we are given the amount of steam in moles (1.2 moles) and the temperature (177°C), we can convert the moles of steam to mass using the molar mass of water (18 g/mol). The boiling temperature of water at standard atmospheric pressure is 100°C, so we can use this value for Tb.

First, we need to convert the temperature from degrees Celsius to kelvins:

T = 177°C + 273 = 450 K

Then, we can calculate the mass of the steam:

m = 1.2 moles * 18 g/mol = 21.6 g

Substituting these values into the equation for internal energy, we get:

U = 21.6 g * 2.08 J/g*K * (450 K - 273 K) + 21.6 g * 2257 kJ/kg

Solving for the internal energy, we get:

U = 18,447 J

Therefore, the internal energy of 1.2 moles of steam at 177°C is approximately 18,447 J.

The angular momentum of a system does not depend on the point about which it is taken, according to equation (iv). the particles  eventually move back together because of mutual gravitational attraction.

As depicted in the following diagram, assume that two particles are present at positions P and Q at some point in time.

Think about a point R that is y miles away from a point Q, or QR=y PR=dy.

LP=mv0+mvd=mvd is the system's angular momentum around point P.

I The system's angular momentum around point Q is given by LQ=mvd+mv0=mvd.....(ii)

System's angular momentum about point R is given by LR=mv(d, y)+mv(y, d)=mvd....(iii)

The result of comparing equations I (ii), and (iii) is L P = LQ = LR....... (iv)

The angular momentum of a system does not depend on the point about which it is taken, according to equation (iv).

All objects with mass are attracted to one another by the gravitational attraction, which has a magnitude that is directly proportional to the masses of the two objects and inversely proportional to the square of their distance from one another.

Our feet remain firmly planted on the ground thanks to gravity, which also keeps the Moon in orbit around the Earth, the Earth in orbit around the Sun, the Sun in orbit around the galactic core of our Milky Way galaxy, and the Milky Way and Andromeda galaxies orbiting each other.

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A customer can choose one of six speaker systems, one of five DVD players, and one of six flat-screen televisions to design a home entertainment system:

In order to determine the number of possible system configurations

A customer is a person or business that buys items or offerings from another business. clients are vital due to the fact they generate sales. without them, organizations might go out of business.

A client is commonly defined as someone who buys a terrific, product, or carrier. more, in particular, clients are human beings or agencies currently shopping, have bought, or maybe inquisitive about buying services or products from every other character or enterprise.

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I think it is "energy cannot be destroyed but it can change forms".

When two long parallel wires are placed side by side on a horizontal table and the wires carry equal currents in the same direction, the magnetic field at a point midway between the two wires is zero.

When two parallel wires carry current in the same direction, they exert equal and opposite attractive forces on each other. Thus, the net magnetic field at midpoint is zero. While, Two parallel wires carrying current in opposite directions repel and try to move away from each other.

Similarly, if you have two parallel wires with current traveling in opposite directions, as you do in the series circuit, then the magnetic fields of the two wires will be traveling in the same direction at the point at which they intersect, and therefore repel each other.

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The weight of the staging is 550N.

The weight of an object, the gravitational force caused by the presence of a large second object such as the Earth or the Moon.

The unit of measurement for weight is indeed a unit of force. This unit in the International System of Units (SI) is the Newton.

Given data : Weight of the painter ([tex]W_{p}[/tex]) = 300 N

                    Left scale's weight reading [tex](W_{L} )[/tex] = 580 N

                    Right scale's weight reading [tex](W_{R} )[/tex] = 270 N

To find the weight of the staging [tex](W_{s} )[/tex], we will set all the weight in the equilibrium.

Since the force of the staging and painter's weight is going downward we will denote them as negative. The opposite will be placed for the reading of weight on the left and right scale, which is positive.

[tex]-W_{p} -W_{s} +W_{L}+W_{R} = 0[/tex]

[tex]-300N-W_{s} +580N + 270N = 0\\[/tex]

[tex]W_{s}[/tex] [tex]= -300N+580N+270N[/tex]

[tex]W_{s}[/tex] [tex]= 550N[/tex]

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Between 400 nm and 700 nm of the electromagnetic spectrum, vegetation has the strongest response.

The electromagnetic spectrum travels in waves and spans an extensive spectrum from very long radio waves to very brief gamma rays. The human eye can simplest come across only a small portion of this spectrum called visible light.

In order from maximum to lowest power, the sections of the EM spectrum are named: gamma rays, X-rays, ultraviolet radiation, visible mild, infrared radiation, and radio waves.

In a tumbler, the purple mild travels the fastest, and the violet light travels the slowest of all seven hues. Velocity and wavelength are without delay proportional.

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Field poles are electromagnets whose polarities change as the flow of current alternates in the field windings.

An electromagnet is a sort of magnet wherein the magnetic area is produced with the aid of an electric current. Electromagnets generally encompass cord wounds into a coil. A cutting edge through the wire creates a magnetic discipline that is focused inside the hole in the middle of the coil.

Electromagnets create a magnetic discipline through the application of power. When you introduce the modern, either from a battery or any other supply of strength, it flows through the wire. This creates a magnetic discipline around the coiled cord, magnetizing the metal as though it were a permanent magnet.

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The path taken by a light beam after passing through a mirror's focus is where it hits the mirror and reflects back in exactly the same direction as it went in.

Specular reflection is the name for this. A smooth surface allows light to bounce back at the same angle that it was incident. Rays of light that are reflected off of a smooth surface go in that same direction.

The narrow beams of light that travel in straight lines along their courses as electromagnetic waves are known as rays. Though its path might be altered by reflection or refraction, light always moves in a straight line.

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Answer:

decreases

Explanation:

The thermal energy of the gob decreases by heating the air around the gob and the mold in which the bottle is made

Doubling the thickness of the plastic cover increases the rate of heat loss and decreases the interface temperature.

Given:

The diameter of the electric wire t=1mm

The diameter of plastic cover ro=1+1.1=2.1

Internal conductivity of plastic cover k=0.15w/MK

the current passed through circle I=13A

voltage drop v=8v

temperature T=30c

Heat transfer fluid h=24w/m^2k

Let To be the temperature of the wire and T1 is the temperature of the plastic cover.

the heat generated  Q=>v*I=13*8=104 watt

Now the heat generated is connected and converted through wire

Q= To-T1/ln(ro/rc)/2pi*KL+1/hAo

104=To-30/ln(2.2/1.1)/2pi*0.15*10+1/24*20*0.00021*16

104=To-30/0.38439

To=69.9768c

To=70c

The temperature at the Interface of the wire is 70c

Now, the heat generated is connected to the wire

Q=To-T1/ln(ro/rc)/2piKL

104=70-T1/ln(2.1/1.1)/2pi*0.15*10

7.13536=10-T1

T1=6.2864c

The critical radius of Isolation:

rc=k/h=0.5/24

rc=6.25*10^-3m

rc=6.25mm

Now the thickness of isolation is increased to double

ro=1.1+2=3.1mm

Now,rc>ro ie critical radius of isolation is greater than the outer radius of the circle.

∴doubling the thickness of the plastic cover increases the rate of heat loss and decreases the interface temperature.

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The inner radius of a hollow metal sphere is a, and the outside radius is b.  The hollow sphere has a point charge q in the center. There will be a distribution of q charges on the inner surface.

Electric charge can be interpreted as an excess or shortage of electrons and is the amount of imbalanced electricity (either positive or negative) in a body. There are two varieties: positive (+) and negative (–).

We all studied the structure of an atom with an equal amount of protons, neutrons, and electrons in physics and chemistry. Protons are positively charged, neutrons are neutrally charged, and electrons have a negative charge.

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The given question is incomplete. The complete question is:

A hollow metal sphere has inner radius 'a' and outer radius 'b'. The hollow sphere has charge +2Q. A point charge +Q sits at the center of the hollow sphere. How much charge is on the inside surface of the hollow sphere?

Answer:

An induced current in a changing magnetic field will be in  such a direction as to oppose the magnetic field causing the induced current.

Thus, the current in the second loop must be increasing in a counterclockwise direction       (a)

The induced current must produce magnetic field that opposes the field producing the change or perpetual motion could occur.

Where the exercise here is to name the disorder, note that:

It should be mentioned that medication (such as antidepressants or benzodiazepines) and/or counseling may be used to treat a panic disorder such as cognitive-behavioral therapy.

A suitable course of treatment for dissociative disorders may involve counseling (such as cognitive-behavioral therapy, trauma-focused therapy, or psychodynamic therapy) and/or medication.

The focus of psychodynamic therapy is on unconscious processes as they show in the client's current behavior. Client self-awareness and knowledge of the effect of the past on present behavior are the aims of psychodynamic therapy.

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The centripetal force needed to keep the fly from sleeping will be zero point 0.00176 Newton in magnitude.

The mass of the fly is 2 gram and it is selling itself on a phonograph turntable.

The fly is at a distance of 4 cm away from the center of the phonograph turntable and when the turntable is turned on and retreats with 45 Revolution per minute the centripetal force that would be working on the fly will be given by,

F = Mw²R

Where,

M is mass of the fly,

w is the angular speed of the fly and,

R is the radius of the turnable.

Putting all the values,

F = 0.002×(4.7)²×0.04

F = 0.00176N.

So, a centripetal force of magnitude 0.00176 Newton will be required in order to keep the fly from slipping.

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Complete question- A fly of mass 2.00 g is sunning itself on a phonograph turntable at a location that is 4.00 cm from the center. When the turntable is turned on and rotates at 45.0 rev/min, calculate the centripetal force needed to keep the fly from slipping?

The value of R so that the response is critically damped using the equation is 25.0Ω.

Farads is the unit of measure for capacitance, which is the amount of electrical charge stored for a given voltage. Farads can be used to measure the amount of energy stored in a capacitor, which is made up of two conductive plates separated by an insulating material. The higher the capacitance, the more energy can be stored in a given capacitor. Farads are named after Michael Faraday, the British scientist who discovered the relationship between electricity and magnetism.

The resonant frequency of an RLC circuit is given by the equation:
ω_r=1/sqrt(LC)
where ω_r is the resonant frequency in rad/s, L is the inductance in Henries, and C is the capacitance in Farads.
Given the resonant frequency of 5000 rad/s and the inductance of 10 mH, we can calculate the capacitance as follows:
C=1/(ω_r^2*L)
C=1/(5000^2*0.01)
C=4.00μF
We can find the value of R so that the response is critically damped using the equation:
R=2*sqrt(L/C)
R=2*sqrt(0.01/4.00)
R=25.0Ω

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An electromagnetic wave radiating from a specific 50.0-Hz AC power line has a maximum electric field strength of 13.0 kV/m. This extremely low frequency electromagnetic pulse has a wavelength of 6.00 x [tex]10^{6}[/tex]m.

A sinusoidal graph illustrates electromagnetic waves. It is made up of time-varying electric and magnetic fields that are perpendicular to each other and to the direction that waves travel.

Inverse proportionality describes the relationship between frequency and wavelength. Longer wavelengths are correlated with lower frequency, and vice versa. The fact that a wave's speed is equal to the product of its frequency and wavelength helps to explain how these two properties are related.

Briefing:

Given that,

Frequency of the power line, f = 50.0 Hz

Value of maximum electric field strength of 13.0 kV/m

The wavelength of this very low frequency electromagnetic wave is given by using relation as:

[tex]c = f[/tex]λ

λ [tex]= \frac{c}{f}[/tex]

λ [tex]= \frac{3.8 * 10^{8} m/s }{50}[/tex]

λ = 6 x [tex]10^{6}[/tex] m

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Location of inhibitors bound to group iva phospholipase a2 determined by molecular dynamics and deuterium exchange mass spectrometry.   (True)

Combining deuterium exchange mass spectrometry (DXMS) and molecular dynamics, we investigated the binding of group IVA (GIVA) phospholipase A2 (PLA2) inhibitors (MD). On the basis of deuterium exchange results, models of the GIVA PLA2 inhibitors pyrrophenone and the 2-oxoamide AX007 docked into the protein were created, and comprehensive molecular dynamics simulations were performed to determine protein–inhibitor interactions. The models demonstrate that both inhibitors interact with crucial residues that modify the deuterium exchange pattern in response to inhibitor binding. Pyrrophenone is primarily associated with the protein through contacts close to the active site, whereas oxoamide is primarily attached through contacts remote from the active site. We also compare the dynamics of the two inhibitor-bound complexes around the active site. It is possible to create better inhibitors against GIVA PLA2 by combining computational and experimental approaches to define more precise inhibitor binding locations.

Mass Spectrometry:

In order to determine the mass-to-charge ratio (m/z) of one or more molecules found in a sample, mass spectrometry is a valuable analytical instrument. The precise molecular weight of the sample's constituent parts can frequently be determined using these measures as well. Mass spectrometers are typically used to quantify known substances, identify novel compounds by molecular weight determination, and assess the structure and chemical characteristics of molecules.

∴ Location of inhibitors bound to group iva phospholipase a2 determined by molecular dynamics and deuterium exchange mass spectrometry.   (True)

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