Answer: Look, the main difference between men's and women's college basketball is the attention the programs and players get. The women's ball is slightly smaller than the men's ball. ... Men get a thirty-five-second shot clock, while women only get a thirty-second shot clock.
Which of the following statements helps support the endosymbiotic theory?
Choose 1 answer:
(Choice A) A The Golgi body is a membrane-bound organelle within eukaryotes that was once a free-living prokaryote.
(Choice B) B If isolated from a eukaryotic cell, mitochondria can survive and reproduce on their own.
(Choice C) C Both mitochondria and chloroplasts have their own DNA that is different from the nuclear DNA of the larger host cell.
(Choice D) D The lysosome is a membrane-bound organelle within eukaryotes that was once a free-living prokaryote.
Answer:
C
Explanation:
Both mitochondria and chloroplasts have their own DNA that is different from the nuclear DNA of the larger host cell.
Mitochondrial DNA (mtDNA) and chloroplast DNA (cpDNA) actually more closely resemble the structure of prokaryotic DNA (circular) as compared to the structure of eukaryotic DNA (linear).
The endosymbiotic theory proposes that mitochondria and chloroplast were once independent prokaryotic organisms that survived endocytosis by an early eukaryotic cell.
The statement "both mitochondria and chloroplasts have their own DNA that is different from the nuclear DNA of the larger host cell" helps support the endosymbiotic theory (Option C).The lines of evidence that support the endosymbiotic theory include:
Both mitochondria and chloroplasts have their own circular DNA and divide by binary fission.Both mitochondria and chloroplasts have their own bacteria-like ribosomes (70 S).Both mitochondria and chloroplasts have a similar size as prokaryotic cells.In conclusion, the statement "both mitochondria and chloroplasts have their own DNA that is different from the nuclear DNA of the larger host cell" helps support the endosymbiotic theory (Option C).
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Tony completed a 720 km journey with an average speed of 90 km for the first 285 km he travel about an average speed of 95 km what was the average speed for the remaining journey
Answer:
87 km/h
Explanation:
720/90=8 8 Hours
285/95=3 3 hours
720-285=435 436 km left
8-3=5 5 hours left
435/5=87
87 km/H
a force of 5 N extends a spring of natural length 0.5m by 0.01, what will be the length of the spring when the applied force is 20 N
Answer:
L_new =L+x^2 = L_new = 0.54_m.
Explanation:
Given data:
Force in the first case,
F_1 = 5N
Force in the second case,
F_2 = 20 N
Natural length of spring,
L= 0.5
Extension in the first case,
x_1 = 0.01m
Let the force constant of the spring be k.
Thus,
F_1=kx_1
5 = k × 0.01
⇒ k = 500 N/m.
The extension in the spring in the second case can be given as,
F_2=kx_2
20 = 500x_2
⇒ x_2 = 0.04 m.
Thus, the effective length of the spring would be,
L_new =L+x^2
L_new = 0.5+0.04
L_new = 0.54_m.
Potential energy is a type of energy. Which of the following bricks has the most potential energy? a two-pound brick that is three feet off the ground a two-pound brick that is five feet off the ground a four-pound brick that is three feet off the ground a four-pound brick that is five feet off the ground
Answer:
Hey there!
Potential Energy = mgh, (mass x gravitational acceleration x height)
Given that the gravitational acceleration is constant, we just have Potential Energy = mh
a. 2(3)=6
b. 2(5)=10
c. 4(3)=12
d. 4(5)=20
The four-pound brick that is five feet off the ground is the brick with the most potential energy.
Let me know if this helps :)
A boat sails along the shore. To an observer, the boat appears to move at a speed of 11 m/s, and a man on the boat walking forward appears to have a speed of 12.4 m/s. How long does it take the man to move 6 m relative to the boat? A. 0.48 s B. 4.29 s C. 0.55 s D. 1.5 s
Answer:
B. 4.29s
Explanation:
If the man appears to move 12.4m/s when the boat appears to move 11m/s, it means that the man moves 1.4m on the boat (12.4-11=1.4). So if the man moves 1.4m per second then it will take him 6/1.4=4.29s to move 6 m relative to the boat.
Hope this helped!
what is eletro magnet
The central vacuole of a plant cell is damaged.
What function is most affected by the damage?
Choose 1 answer:
(Choice A)
A
Protein synthesis
(Choice B)
B
Storage of genetic information
(Choice C)
C
Synthesis of sugar from light
(Choice D)
D
Storage of water
Answer:
D
Storage of water
Explanation:
the vacuole stores water, if it is damaged then it can store anything.
A plant cell's central vacuole has been harmed. The function largely impacted by the deterioration is water storage. Option D is correct.
What is a plant cell?The smallest unit of all plants in the cell. Like animal cells, plant cells are eukaryotic, which means they have an organelle- and membrane-bound nucleus.
This turgor pressure maintains the cell's rigidity and gives plant structures like leaves their distinctive shapes.
When a plant goes for an extended period of time without water, the central vacuoles lose water, the cells deform, and the entire leaf wilts.
The central vacuole of a plant cell is damaged. Storage of water is the function that is most affected by the damage.
Hence, option D is correct.
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16. Which of the following is equivalent to 36 km/hr?
a. 10 m/s
b. 10 cm/s
c. 36 m/s
d. 36 mph
Which are true of meiosis but not mitosis? Select three options. A.It generates genetically different cells. B.It generates haploid cells. C.It involves prophase, metaphase, anaphase, and telophase. D.It involves two rounds of nuclear division. E.It begins with a diploid cell.
Answer:
(A) (b) (D)
Explanation:
Answer:
A B D
Explanation:
Tell me about your favorite science experiment. Give me a detailed account of the experiment and what you like about it.
Answer:
nngh have
bjruh hjrhhj be rnrnnrnrnnnrnjrjnnnnnnnnrnrn n n and I was nrn
Explanation:
jbbbbbhhhjjnnnnnnnnnnjhvcc
Explanation:
If a truck travels 100 miles in 2 hours, what is its speed? (Hint: Do not forget to write the unit).
Submit
The truck is going at a speed of 50 MPH.
why do the kites and eagles fly without flapping their wings?
Answer:
because they both have large area to capture air
Answer:
Because they have a large surface area to capture moving air when going at a certain speed.
Explanation:
When your trying to fly a kite and the wind isn't that much, you have to run so that the kite can come in contact with the fast moving air which pushes the kite to go up. Just like a eagle because when a eagle is trying to fly, it has to first flap its wings to push air downwards so that it can create lift and at a certain altitude, the eagle doesn't have to flap it's wings though it tilts its body downwards a little so that gravity can do the work, so the eagle is basically gliding downward.
A man weighs 90 N on the surface of earth of radius R at what height above the surface of earth is weight will be 40 N.
Answer:
3/2 R
Explanation:
Let the Mass of man be m, Mass of earth be M.
By Newtons, law of gravitation,
F = GMm/R^2, Where G is gravitational constant
90 = GMm/R^2
When man weighs 40N,
GMm/(New R)^2 = 40
= 4/9 (90)
GMm/(New R)^2 = 4/9 (GMm/R^2)
(New R)^2 = 9/4 R^2
New R = 3/2 R
Therefore, height is 3/2 R
A forensic investigator is collecting hair samples from the victims and possible suspects of a violent attack. How many control
samples of full length scalp hairs and how many full length pubic hairs are collected for the control samples?
A)
25/10
B)
50/24
50/50
D)
100/50
Answer: B. 50/24
Explanation: just took the usatestprep
a parking lot is going to be 60m wide and 240m long which dimensions could be used please please help
Answer: The area of the parking lot is 14,400 meters squared.
Explanation:
We have the dimensions of the parking lot.
60m by 240m
The units used here are meters.
Now, if we want to know the area of the parking lot is equal to the product between the length and the width:
A = 60m*240m = 14,400 m^2
The area of the parking lot is 14,400 meters squared.
Answer:
A = 20x80
Explanation: DID IT ON APEX
Q1: A cyclist brakes to a stop. His thinking distance was 1m and his braking distance was 3m. What was his overall stopping distance?
Q2: A car driver notices that there is a red light coming up. He brakes and stops in a total distance of 52 metres. If his thinking distance was 15 metres, what was his braking distance?
Q3: A car takes 76 metres to stop once a driver has noticed a hazard. If the thinking distance of the driver was 14m and the speed of the car was 8m/s how long did it take the brakes to slow the car down to a stop?
Q4: A lorry travels 28m when stopping from a speed of 4m/s. If its braking distance was 18m, what was the driver’s reaction time?
Q5: Car 1 brakes to a stop on a dry road. Car 2 does the same thing, at the same speed, on a road where it has been raining.
Answer:
1.) 4m
2.) 37 m
3.) 62m
4.) 2.5 s
Explanation:
1.) Given that the
Thinking distance = 1m
Breaking distance = 3m
Stopping distance = breaking distance + thinking distance
Stopping distance = 1 + 3 = 4m
2.) Given that the
Stopping distance = 52 m
Thinking distance = 15m
Breaking distance = 52 - 15 = 37m
3.) The stopping distance = 76m
Thinking distance = 14m
Breaking distance = 76 - 14 = 62m
It take the brakes 62m to slow the car down to a stop.
4.) Given that a lorry travels 28m when stopping from a speed of 4m/s. If its braking distance was 18m, what was the driver’s reaction time?
Thinking = stopping distance - braking distance
Thinking distance = 28 - 18 = 10m
Speed = distance/time
4 = 10/reaction time
Reaction time = 10/4
Reaction time = 2.5 s
5.) Question incomplete
Sobre un cuerpo de masa 45 kg, se aplica una fuerza (F), la cual produce una aceleración cuya magnitud es 5 m -s2
Answer:
225kgm/s² or 225N
Explanation:
La fórmula de Fuerza = Masa × Aceleración
Masa = 45 kg
Aceleración = 5 m / s²
Fuerza = 45 kg × 5 m / s²
= 225 kgm / s² o 225N
Por lo tanto, la Fuerza que actúa sobre = 225 kgm / s² o 225N
Bronchitis is a condition that’s characterized by coughing and the secretion of mucus. A person with bronchitis has inflamed airways, which makes it hard to breathe. Where does a bronchitis infection start?
Answer:the throat
Explanation:
Answer:
zszzzzzz
Explanation:
To minimize damage during a broadside collision __________ speed to put the point of impact behind the passenger section.
Answer:
Positive
Ghhhhhhbn
Ggvbbn
To minimize damage during a broadside collision decrease the speed to put the point of impact behind the passenger section.
What is broadside collision?A broadside collision happens when the front of one vehicle bangs into the side of another, usually at a high rate of speed. Although catastrophic injuries can occur in any automobile accident on the road, broadside crashes are especially dangerous.
This is due to the fact that there is not much room or protection between the person inside the hit automobile and the moment of contact. The injury happens to the vehicles depends on their speed.
As the speed is reduced, many such collisions can stopped in time and we can prevent broadside collision as well and giving enough time to pass other vehicles through the intersection.
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As a shuttle bus comes to a normal stop, it slows from 9.00 m/s to 0.00 m/s in 5.00 s find the acceleration of the bus.
Answer:
-1.8 m/s^2
Explanation:
vf-vi/t
0-9=-9
-9/5 = -1.8
-1.8 m/s^2
1) Students watched a cartoon either alone or with others and then rated how funny they found the cartoon to be. Independent Variable: Dependent Variable:
Students watched a cartoon either alone or with others and then rated how funny they found the cartoon to be.
Independent Variable: student alone or with others
Dependent Variable: how funny student thought the cartoon was
Answer:
Independent Variable: Watching cartoon alone or with others
Dependent Variable: how funny they found the cartoon to be
Explanation:
A dependent variable is the variable being tested. The change in the value of dependent variable depends on the independent variable.
An independent variable is used to test the effects on dependent variable and its does not depend on any variable.
In the above example the dependent variable is how funny the cartoon was. This is being tested and it is tested by independent variable i.e. Students watching cartoon either alone or with others. So the cartoon is funny or not depends on watching cartoon alone or with friends.
aroma of perfume is solid or liquid or gas?
Does a free falling object fall 2 meters in twice the time as it falls 1 meter? Why? a. Yes, it takes twice as long to fall twice as far. b. Yes, it takes longer to fall farther. c. No, since it is speeding up as it falls it will cover the same distance in a shorter time. d. No, it takes the same time since it does not accelerate.
My answer to the question is option B.
Complete the statements using data from Table A of your Student Guide. The speed of the cart after 8 seconds of Low fan speed is cm/s. The speed of the cart after 3 seconds of Medium fan speed is cm/s. The speed of the cart after 6 seconds of High fan speed is cm/s.
Answer:
8 seconds = 72cm
3 seconds = 36cm
6 seconds = 96cm
Explanation:
lab assignment i just took.
Speed is the rate of distance over time. The speed of the cart is as follows:
[tex]72cms^{-1}[/tex] at 8 seconds.[tex]36cms^{-1}[/tex] at 3 seconds.[tex]96cms^{-1}[/tex] at 6 seconds.Let:
[tex]s \to[/tex] speed
[tex]d \to[/tex] distance
[tex]t \to[/tex] time
After 8 seconds
For low fan speed; the distance (d) at 8 seconds is:
[tex]d =576cm[/tex]
Speed (s) is calculated using:
[tex]s = \frac dt[/tex]
[tex]s = \frac{576cm}{8s}[/tex]
[tex]s = 72cms^{-1}[/tex]
Hence, the speed after 8 seconds is [tex]72cms^{-1}[/tex]
After 3 seconds
For medium fan speed; the distance (d) at 3 seconds is:
[tex]d = 108cm[/tex]
The speed (s) is :
[tex]s = \frac dt[/tex]
[tex]s = \frac{108cm}{3s}[/tex]
[tex]s = 36cms^{-1}[/tex]
Hence, the speed after 3 seconds is [tex]36cms^{-1}[/tex]
After 6 seconds
For high fan speed; the distance (d) at 6 seconds is:
[tex]d = 108cm[/tex]
The speed (s) is :
[tex]s = \frac dt[/tex]
[tex]s = \frac{576cm}{6s}[/tex]
[tex]s = 96cms^{-1}[/tex]
Hence, the speed at 6 seconds is [tex]96cms^{-1}[/tex]
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Noah drops a rock with a density of 1.73 g/cm cubes into a pond. Will the rock float or sink? Explain your answer.
Answer:
The rock will sink.
Explanation:
The density of water is about 1 g/cm cubed, the rock being more dense will sink in water.
Answer:
Here is the answer.
Explanation:
Pierre cycles at 4 miles per hour and travels a distance of 13 miles. How long
does his journey take?
Answer:
His journey took him 3 hours 15 minutes.
Explanation: 4 miles every hour. So 1 hr is equal to 4 miles, 2 hrs is equal to 8 miles, 3 hrs is equal to 12 miles. Now he just has 1 miles left, and since it takes him a hour to cycle 4 miles, 60 divided by 4 is 15. Therefore, 1 mile is equal to 15 minutes.
Time = (distance) / (speed)
Time = (13 mi) / (4 mi/hr)
Time = 3.25 hr or 3hr 15min .
If our frame of reference was the sun would the earth be moving?
Answer:
yes, thats how it becomes morning and night
u get it
Explanation:
what is the spherical mirror
Explanation:
A mirror with a surface that is either concave or convex and forms a portion of a true sphere.
Answer:
Spherical Mirror:Definition:
A mirror whose polished, reflecting surface is a part of a hollow sphere of either glass or plastic is called a spherical mirror.Types:
There are 2 types.Concave MirrorConvex MirrorExplanation:
In a spherical mirror, one of the two curved surfaces is coated with a thin layer of silver followed by the coating of lead oxide. One side of the mirror is opaque while the other side is highly reflecting which acts as a mirror.Need helppp number 5
Answer:
1768 meters
Explanation:
Distance = speed x time.
(340 m/s) x (5.2 s) = 1768 m
Calculate the speed for each segment on the graph include the units (m/s). Show your calculations, (such as 4/2= 2 m/s)
a. (t=0-10s)
b. (t=10-15s)
c. (t=15-30s)
d. (t=30-40s)
e. (t=40-55s)
Answer:
v_A = 6 m/s , v_B = 0 m/s , v_C = - 4 m/s , v_D = -4 m/s , v_E = 2.66 m / s
Explanation:
For this exercise we use the definition of average velocity in each segment
v_average = (x₂-x₁) / Δt
segment A of the graph you take the value of distance and time
x₁ = 0 m t₁ = 0 s
x₂ = 60 m t₂ = 10 s
using the average velocity equation and calculate
v_A = (60-0) / (10-0)
v_A = 6 m / s
Segment B
x₁ = 60m
x₂ = 60 m
since the displacement variation is zero (particle stopped) the velocity is zero
v_B = 0 m / s
Segment C and D
x₁ = 60 m t1 = 15 s
x₂ = -40 m t2 = 40 s
v_C = (-40 -60) / (40 -15)
v_C = - 4 m / s
Segment D
how is the same line
v_D = -4 m / s
Segment E
x₁ = -40 m t₁ = 40 s
x₂ = 0 m t₂ = 55 s
v_E = (0- (-40)) / (55 -40)
v_E = 2.66 m / s