Answer:
No, there are multiple ways in which different mutations in the same gene can cause the same phenotype
Explanation:
Several different mechanisms of mutation can lead to the same phenotype. For example, lets say our phenotype is that flies have white eyes, and we know that this occurs in one particular gene that normally makes the eye colour red. (the red gene)
These mutations likely rendered the red gene ineffective (as the eyes are not red). However, this could happen in a variety of ways.
There could be a single base deletion in the first exon of the mRNA, changing the reading frame of the protein and messing up the entire sequence (a frame shift mutations)
The entire gene could be deleted
A single base could be substituted in an important site of the gene, for example, one which translates into a catalytic residue or binding site in the protein
There could be an inversion at the promoter region of the gene, such that a transcription factor can no longer bind to transcribe the gene.
There are countless other ways in which a mutation could have been caused. Therefore, just because we know the same gene is affected does not mean that we can assume the mutations are identical.
Two students, Jordan and Taylor, are talking about light. Jordan says that light behaves as a stream of particles. Taylor declares that light behaves as a wave. Which student is correct?
Answer:
"Both students are correct. When light is traveling through small openings, solids, liquids, gases, or a vacuum, it behaves like a wave. When it interacts with matter, it acts like a stream of particles."
Explanation:
just got it right
what is importance of powder painting?
Answer:
It provides a more durable finish than liquid paints can offer, while still providing an attractive finish
In 1993, the gold reserves in the United States were about 8.490 x 10^6
Volume?
Let's see
Volume:-
Mass/Density8.49×10⁶/193000.000439×10⁶439m³Which type of radiation is associated with high frequency waves?
Answer:
Gamma rays
Explanation:
have the highest energies, the shortest wavelengths, and the highest frequencies. Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation.
What is the acceleration of a 25 kg box that has 50 N of force applied to the right?
1. 2m/s/s
2. 10m/s/s
3. 1,250m/s/s
Answer:
1. 2 m/s/s
Explanation:
Formula
Force = Mass x Acceleration
50 N = 25 kg x (a)a = 50/25a = 2 m/s/sTwo electrons (-1.6 x 10-19 C) are separated by an insulator at a distance of 0.10 mm. Which of the following is the electrostatic force between these electrons?
The electrostatic force between these electrons will be 2.3×10⁻²⁰ N.
What is Columb's law?The force of attraction between two charges, according to Coulomb's law, is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.
Charges that are similar repel each other, whereas charges that are diametrically opposed attract each other.
They will repel, moving in opposite directions at the same speed. Because the magnitude and nature of the charge are same.
The electrostatic force between these electrons is;
[tex]\rm F= \frac{Kq_1q_2}{r^2} \\\\ F=\frac{9 \times 10^9 \times -1.6 \times 10^{-19} \times- 1.6 \times 10^{-19} }{(0.10 \times 10^-3)^2} \\\\F= 2.3 \times 10^{-20} \ N[/tex]
Hence, the electrostatic force between these electrons will be. 2.3×10⁻²⁰ N.
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Ultrasound was used to check for cracks in an aeroplane wing. The ultrasound pulse would be reflected from any cracks and from the end of the wing. The diagram shows the oscilloscope trace produced by the echo. How far along the wing was the crack? The speed of sound in metal is 5000m/s.
The depth of the crack along the aeroplane wing is determined as 1.5 m.
Depth of the echo reflection
The depth of the crack in the wing from which the echo is heard is calculated as follows;
d = (vt)/2
From the image;
time 1 = 0.4 mstime 2 = 0.8 msd1 = (5000 x 0.4 x 10⁻³)/2
d1 = 1 m
d2 = (5000 x 0.8 x 10⁻³)/(2)
d2 = 2 m
Average depth
d = (d1 + d2)/2
d = (1 + 2)/2
d = 1.5 m
Thus, the depth of the crack along the aeroplane wing is determined as 1.5 m.
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Answer:The answer is 2
Select the correct sentences on the image.
Matthew throws a ball straight up into the air. It rises for a period of time and then begins to drop. At which points in the ball's journey will
be the greatest force acting on the ball?
Answer:
when the ball falls down
Explanation:
because gravity is a very strong Force
Answer:
a
Explanation:a
Why we do not have a solar eclipse during every ""new moon"" phase.
Answer:
The solar eclipse stopped years ago due to the moon, sun, and earth's alignment not being able to sync like it did before.
What can spectroscopes tell us about a space object?
A. provide imagery
B. calculate location
C. determine temperature, chemical composition, and speed
D. determine temperature, chemical composition, and size
Answer:
The answer is C.
Explanation:
Spectroscopy can be very useful in helping scientists understand how an object like a black hole, neutron star, or active galaxy produces light, how fast it is moving, and what elements it is composed of.Answer:
[tex]\huge\boxed{\sf Option \ 3}[/tex]
Explanation:
Spectroscope:The device used to tell the properties of the spectral lines in an electromagnetic spectrum is called spectroscope. Properties of spectroscope:For any space object, spectroscope tells:Type of element the object is made of.Temperature of object.Chemical composition.SpeedMagnetic and electric field.Spectroscope also can tell the light intensity and their wavelength.[tex]\rule[225]{225}{2}[/tex]
Which of the following is an example of kin selection? A. A wolf attacks its cousin over territorial rights. B. A snake eats the eggs of another snake. C. A badger attacks a bear who was foraging for food. D. A bobcat fights a wolf to protect younger bobcats.
Answer: D. A bobcat fights a wolf to protect younger bobcats.
A graphic organizer is a written out explanation of similarities and differences among topics.
Answer:
False
Explanation:
A graphic organizer is a written out explanation of similarities and differences among topics. A graphic organizer is a visual representation. Another name for a chart is "Venn diagram." Compare and contrast graphic organizers identify only similarities among sets of information.
Make the following conversion:
A) 60∘C into F
B)70∘C into K
C) 303∘K into C
D) 140∘F into C
If you don't know what I mean by C, F, K and ∘ it meaning is:
C- Celsius
F- Fahrenheit
K- kelvin
∘- degree sign
Answer:
Kelvin to Celsius: C = K - 273 (C = K - 273.15 if you want to
One light ray labeled a striking a boundary with two light rays labeled b and c reflecting off. c is at the same angle and b is at an angle smaller than a. light ray d is into the material at the same angle of a and e into the new material is at a much larger angle. which pair shows the law of reflection? a and b a and c a and d a and e
Answer:
A & C
Explanation:
Answer:
A and C
Explanation:
Starting from rest on a level road a girl can reach a speed of 5 m/s in 10s on her bicycle. Find average speed and distance traveled in 10s.
Answer:
Average speed = 2.5 mph
Distance = 22.352 meters
Explanation:
Calculate speed, distance or time using the formula d = st, distance equals speed times time.
Calculate speed, distance or time using the formula d = st, distance equals speed times time.
You can use this formula for any question like this
A 0.025 kg piece of clay is thrown into a wall and has a speed of 9 m/s before it strikes the wall. Find the
change in momentum, of the clay and the impulse exerted on the clay if it does not bounce from the wall.
Answer:
The impulse experienced by the object equals the change in momentum of the object. In equation form, F • t = m • Δ v. In a collision, objects experience an impulse; the impulse causes and is equal to the change in momentum.
Explanation:
When A 0.025 kg piece of clay is thrown into a wall and has a speed of 9 m/s before it strikes the wall then change in momentum 22.5 kg.m/s² is and impulse is 0.225 Ns.
What is Momentum ?Momentum is defined as product of mass and velocity of the body. It is denoted by letter p and it is expressed in kg.m/s.
Mathematically p = mv.
it discuss the moment of the body. body having zero mass or velocity has zero momentum.
The dimensions of the momentum is [M¹ L¹ T⁻¹].
Given,
mass of the clay = 0.025 Kg
Speed of the clay = 9m/s
The momentum of clay is P = mv = 0.025×9 =0.225 kg.m/s
In this problem a piece of clay having mass 0.025 Kg, velocity of clay is 9m/s.
By using formula,
change in momentum of the clay = dp/dt
We must know about change in time in order to calculate change in momentum with respect to time.
Consider that the change in momentum is 0.01s.
dp/dt = p₂-p₁/t₂-t₁ = 0- 0.225/0.01 = 22.5 kg.m/s²
Impulse = dp/dt×Δt = 22.5×0.01 = 0.225 Ns
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An athlete wants to refill an old punching bag used for training, as shown in the picture. When refilled, the bag will rip if it is kicked with too much force
The maximum force that the athlete exerts on the bag is NEGATIVE 1,500 N and in the OPPOSITE DIRECTION of the force that the bag exerts on the athlete.
Newton's third law of motionNewton's third law of motion states action and reaction are equal and opposite. That is the force applied to an object is equal in magnitude to force experienced by the object but in opposite direction.
From the given question, when the bag exert a certain on the athlete, the athlete also exerts similar force to the bag but in opposite direction.
Thus, the complete sentence is as follows;
The maximum force that the athlete exerts on the bag is NEGATIVE 1,500 N and in the OPPOSITE DIRECTION of the force that the bag exerts on the athlete.
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i. Calculate the average velocity of a motor cycle that travels 72km/hr 20 seconds.
The motorcycle's average velocity will be 20 m/sec. The ratio of the overall distance traveled to the total time taken by the body is the average velocity.
What is average velocity?The average velocity is the ratio of the total distance traveled to the total time taken by the body. Its unit is m/sec.
V= 72km/hr =20 m/sec
Total distance travelled by the motorcycle;
D= v ×t
D=(20 m/sec)×20 sec
D=400 m
The average velocity is:
[tex]\rm v_{avg}=\frac{d_{total}}{t_{total}} \\\\ \rm v_{avg}=\frac{400}{20} \\\\ v_{avg}=20 m/sec[/tex]
Hence,the motorcycle’s average velocity will be 20 m/sec.
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which of the following is correct based on the given illustration?
A. south Pole experiences autumn while North Pole experiences Winter
B. South Pole experiences summer while North Pole experiences Spring
C. North Pole experiences summer while South Pole experiences Winter
D. North Pole experiences winter while South Pole experiences summer
*The Subject is Science btw*
What type of monomers make up liquids
Answer:
Carbohydrates - monosaccharides.
Lipids - glycerol and fatty acids.
Nucleic acids - nucleotides.
Proteins - amino acids.
Explanation:
A train travels a distance of 1275 m at 92.1 m/s how long does it take?
1180 s
117.000 s
13.85
0.0722 s
The time taken by the train will be 13.84 sec. Time taken is the ratio of the distance and speed.
What is distance?Distance is a numerical representation of the distance between two objects or locations.
Distance can refer to a physical length or an estimate based on other factors in physics or common use. |AB| is a symbol for the distance between two points A and B.
Distance is found as the product of the speed and velocity.
Distance = speed × time
time = Distance/speed
time= 1275 (m)/92.1( m/sec)
time(t) =13.84 sec
Hence, the time taken by the train will be 13.84 sec
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Two charged plates separated by 15 cm create a uniform electric field of 360 n/c. what is the potential difference between the plates?
When two charged plates are separated by a distance, the potential difference between the plates is 54 Volts.
What is uniform electric field?The electric field intensity which does not increase or decrease with time or remain constant is called the uniform electric field.
Given is the plates separated by distance d = 15 cm =0.15 m, electric field E= 360 N/C.
The relation between the electric field and voltage is
E=V/d
Substitute the values into the expression to get the potential difference V,
V = 360 x 0.15
V = 54 Volts
Thus, the potential difference between the plates is 54 Volts.
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Explore the role of friction when creating safety ramps and escalators. "Why is it important for people and object to move slowly on ramps and escalator?
The role of friction is of great importance when creating safety ramps and escalators because with the help of friction things move.
Why is it important to move objects slowly on ramps and escalator?It is important to move objects slowly on ramps and escalator because the ramps and escalator moves object in the opposite direction of gravity. If we did not move objects slowly, then the objects or a person get damaged.
So we can conclude that the role of friction is of great importance when creating safety ramps and escalators because with the help of friction things move.
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Static electricity is a ____ charge.
missing
temporary
flowing
permanent
Answer:
static electricity is a flowing charges
HELP ME ASAP PLEASE!!!!!
What is the wavelength of an infrared wave with a frequency of 4.0E14 Hz.
Answer:
f λ = c = 3.00E8 frequency * wavelength = speed of light
λ = c / f = 3.00E8 / 4.0E14 = 7.5E-7 m
Note 1 angstrom = 1.00E-10 m and 1 milli-micron = 1.00E-9 m
So the wavelength would be 7500 angstroms
The visible spectrum is 4000 A - 7000 A or 400 - 700 milli-microns
List four conditions that may result in the emission of electrons from a conductor.
Answer:
1 Conditions that result in the emission of electrons from a conductor:
Heating the conductor to a suitable temperature
Exposing the conductor to a strong light
Subjecting the conductor to a very high applied voltage
Subjecting the conductor to high-speed electrons from another source
2 Both diodes and triodes influence current flow and contain electrodes. Diodes involve only two active pieces; triodes contain three electrodes within a tube. Current can flow through a diode in only one direction. Diodes tend to act as rectifiers. In a triode, the third electrode is a grid located between the cathode and the anode. A small difference of potential between the grid and the cathode controls the number of electrons that reach the anode. Adjusting the charge on the grid affects the number of electrons that can reach the anode. Triodes tend to act as amplifiers.
3 a Transmitting antenna
b Modulator
c Oscillator
d Microphone
4 a RF amplifier
b Receiving antenna
c Loudspeaker
d Demodulator
e Tuner
5 hue, saturation, intensity/brightness
6 red, blue, green
Explanation
PF right from PF all 6 answers
There are four main ways in which electrons are emitted from the conductor including Thermionic emission, Electric field electron emission, Photoelectric emission, and Secondary emission.
What is a conductor?A conductor is a substance or material which allows electricity to flow through it. In a conductor, the electrical charge carriers, usually electrons or ions or charged particles, move easily from one atom to another atom when the voltage is applied.
Thermionic emission involves large amount of external energy in the form of heat is supplied to release free electrons from the metal.
In the electric field electron emission, electrons are emitted from the metal surface when the metals are placed in a very strong electric field.
During photoelectric emission, light is absorbed by the metals and this provides energy to the valence electrons in the conductor which break their bond with the parent atom and which are then released from the atom.
Valence electrons have kinetic energy, however they don't have enough energy to escape from the atom. During secondary emission, a high-speed electron from the conductor is bombarded with an atom, which provides energy for the valence electrons to break their bonds with their parent atom which are then released from the atom.
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grrr i don't have much time, help please T^T
will give brainlist and points! I'LL OWE YOU FOREVER
Answer:
2. ( b ) zero
3. ( c ) 10 s
4. Uniform then decreasing
Explanation:
2.
Since the motion is uniform, initial and final velocity will be 0, hence acceleration will be zero.
3.
Initial velocity ( u ) = 5 m/s
Final velocity ( v ) = 35 m/s
Acceleration ( a ) 3 m/s^2
To find : Time ( t )
Formula : -
t = v - u / a
= 35 - 5 / 3
= 30 / 3
t = 10 s
Answer:
See below ~
Explanation:
Q2
The uniform circular motion in the movement of object in a circular path with fixed and perpendicular on the direction of the motion acceleration.
dQ3
Substitute the values in : v = u + at35 = 5 + 3t3t = 30t = 10s (c)Q4
The vertical component for a projectile by acute angle on the horizontal axis changes from decreasing then increasing velocity.
dTwo students are observing the motion of a Mercedes Benz. They calculate, with various handy dandy gadgets, that the Benz is changing its speed constantly by 2.2 m/s every second while moving along a straight road.
Student 1: The Benz is traveling at a constant velocity. Therefore at the end of 2 seconds it's speed will still be 2.2 m/s.
Student 2: No, the Benz is not traveling at constant velocity. At the end of two seconds the speed would have increased by 4.4 m/s.
Which student do you agree with and why? Discuss all parts of all statements made by both students. Saying I agree with student 1 or 2 or neither will not suffice.
Student 2 is correct. The Benz is not traveling at constant velocity. At the end of two seconds the speed would have increased by 4.4 m/s.
Final velocity of the Benz
The final velocity of the benz is determined by using first kinematic equation;
v = u + at
where;
u is the initial velocitya is the final velocity = (2.2 m/s) / 1s = 2.2 m/s²t is the timev = 2.2 + (2.2 x 2)
v = 6.6 m/s
Change in velocityΔv = 6.6 m/s - 2.2 m/s = 4.4 m/s
Thus, student 2 is correct. The Benz is not traveling at constant velocity. At the end of two seconds the speed would have increased by 4.4 m/s.
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a ground-fault circuit interrupter shuts down a circuit if it?
a. melts.
b. senses an overload.
c. senses unequal currents.
d. senses moisture
Explain why you press against the seat when you take off fast at the beginning of the roller coaster ride. (Hint: relates to Newton’s first law)
Answer
When you are riding in a coaster car that is traveling at a constant speed, you only feel the downward force of gravity. But as the car speeds up or slows down, you feel pressed against your seat or the restraining bar. You feel this force because your inertia is separate from that of the coaster car.
Explanation: