Select the correct answer from each drop-down menu.
Photosynthesis is a process in which plants prepare food using carbon dioxide, chlorophyll, and water in the presence of sunlight.
During photosynthesis,(blank)
energy is transformed into(blank)
1.Chemical,electrical,kinetic, Solar ?
2.Chemical, Electrical, Kinetic, Solar
Answers
Answer:
During photosynthesis solar energy is converted into chemical energy
Explanation:
During photosynthesis solar energy is converted into chemical energy in the form of energy rich bond of ATP molecule.
ATP (Adenosine triphosphate) and ADP (Adenosine diphosphate) molecules are termed currency of energy. ADP molecule is converted into ATP molecules, whenever energy is available in certain exothermic reactions of metabolism.
ATP molecules are store- house of energy. ATP molecule is broken down into ADP molecule in presence of enzyme ATPase, releasing energy whenever energy is required.
The synthesis of ATP molecules, utilizing solar energy during photosynthesis, is termed photo-phosphorylation.
These ATP molecules produced during light reaction of photosynthesis are utilized in dark reaction of photosynthesis (Calvin cycle).
ATP molecules synthesized during photo-phosphorylation may also be used in other metabolic reactions.
Photo-phosphorylation is of 2 types, i.e. Cyclic and Non-cyclic photo-phosphorylation.
Chlorophyll molecules entrap solar energy . There are 2 types of photo-systems in chlorophyll. These are photo-system -I and photo-system-II .
The electrons of chlorophyll molecule of photo-system I get excited which pass through series of electron carriers in electron transport system arranged in the order of decreasing energy level.
During the passage of electrons from carriers of higher energy level to the carriers of lower energy level, the energy is lost which is utilized for converting ADP molecule into ATP molecule.
Photo-system I is concerned with light reaction of photosynthesis only, constituting cyclic photo-phosphorylation.
The electron transport during Photo-system II results in the synthesis of NADPH2 in presence of enzyme NADP reductase. NADPH2 is used in reduction reaction of Calvin cycle.
Both Photo-systems participate in non-cyclic photo-phosphorylation that results in the synthesis of NADPH2 in addition to the synthesis of ATP molecules.
Related Questions
I will give brainliest to whoever answers this in less than 10 minutes.
Answers
Answer:
D) No, because of the way work is defined
Explanation:
There is no motion in the direction of the force, then no work is done by that force. ... But the work done on the box is zero since by moving in a straight line at constant speed, its energy is remaining the same.
Hope it helps
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Which equation describes the line containing the points (-2, 3) and (1, 2)
Answers
Answer:
[tex]y = \frac{ - 1}{3}x + \frac{7}{3} [/tex]
Explanation:
[tex] \frac{y - 3}{2 - 3} = \frac{x + 2}{1 + 2} \\ \ - y + 3 = \frac{x + 2}{3} \\ y = \frac{ - 1}{3}x + \frac{7}{3} [/tex]
If a car has a mass of 1,000 kilograms, and a velocity of 35 m/s. What is its momentum?
Answers
[tex]\vec{p}=m\vec{v}\\p = 1000 * 35=35000[\frac{kg*m}{s}][/tex]
In a series circuit, there is a 2-ohm resistor with a current of 5A. If there is another resistor with a resistance of 5 ohms, what is the current inside that resistor?
Answers
Answer:
if 2ohms gives 5A
then 5ohms will give 12.5A
since its directly proportional
V=IR
what is the power of lens having focal length 6 cm?
Answers
Yes Convex Lens Can form virtual images which are magnified, provided the object distance, measured from the optical centre must be less than focal length.
For your question,
let focal length, f = + 6 cm
let object distance be 'u'
let image distance be 'v'
magnification required, m = +3, +ve because image will be erect, according to the property of convex lens:
Compare and contrast O2 and F2.
Answers
Answer:
1) Similarity:
1. diatomic molecules.
2. nonpolar covalent bond.
3. gaseus state at room temperature.
4. very reactive, with high electronegativity.
¿Qué función trigonométrica describe la manera como el voltaje y la corriente varían con el tiempo en un circuito CA?
Answers
Answer:
función sinusoidal
Explanation:
En un circuito de CA, la corriente y el voltaje tienen un voltaje máximo y mínimo. A intervalos regulares, la corriente y el voltaje invierten la dirección y cambian su magnitud continuamente con el tiempo.
Por lo tanto, para representar la corriente y el voltaje en un circuito de CA, se utiliza una función sinusoidal. Una función seno es una función continua con oscilaciones periódicas.
Which of the following statements is true?
A. An object with stored energy cannot have mechanical energy.
В.An object with mechanical energy is always able to perform work.
C. An object with potential energy is always in motion.
D An object with kinetic energy is always positioned above the ground.
Answers
Answer:
В. An object with mechanical energy is always able to perform work.
Explanation:
Energy can be defined as the ability (capacity) to do work. The two (2) main types of energy are;
a. Gravitational potential energy (GPE): it is an energy possessed by an object or body due to its position above the earth.
b. Kinetic energy (KE): it is an energy possessed by an object or body due to its motion.
Furthermore, the mechanical energy of a physical object or body is the sum of the potential energy and kinetic energy possessed by the object or body and it is measured in Joules.
Mathematically, it is given by the formula;
Mechanical energy = G.P.E + K.E
Hence, the true statement is that an object with mechanical energy is always able to perform work.
Answer:
B
Explanation:
Answer:
В. An object with mechanical energy is always able to perform work.
Explanation:
Energy can be defined as the ability (capacity) to do work. The two (2) main types of energy are;
a. Gravitational potential energy (GPE): it is an energy possessed by an object or body due to its position above the earth.
b. Kinetic energy (KE): it is an energy possessed by an object or body due to its motion.
Furthermore, the mechanical energy of a physical object or body is the sum of the potential energy and kinetic energy possessed by the object or body and it is measured in Joules.
Mathematically, it is given by the formula;
Mechanical energy = G.P.E + K.E
Hence, the true statement is that an object with mechanical energy is always able to perform work.
How do you find component velocities of parallel vectors?
Answers
Answer:
Velocity is a vector (it has magnitude and direction), so the overall velocity of an object can be found with vector addition of the x and y components: v2 = vx2 + vy2. The units to express the horizontal and vertical distances are meters (m).
QUESTION 1
(Show your work)
mi
R
Two children, of masses m1 = m2 = 20 kg,
ride on the perimeter of a small merry-
go-round. The merry-go-round is a disk
of mass M = 30 kg
and radius R = 3 m, as shown in the figure
below.
The moment of inertia of the system
(merry-go-round, child 1, child 2) about
the center of the merry-go-round is
equal to:
M M
m2
Answers
characteristics of saturn
Answers
Saturn is a planet in solar system. It's ring is made out of small covered ice particle. It has over 30 moons.
made up of hydrogen and helium
second biggest planet in the solar system
least dense planet in the solar system
4.00 kg glass coffee cup is 30.0°C at room temperature. It is then plunged into hot dishwater at a temperature of 90.0°C, as shown in Figure below. If the temperature of the cup reaches that of the dishwater, how much heat does the cup absorb? C glass = 837 (J/kg.C)*
Answers
Answer:
Q = 200800 Joules.
Explanation:
Given the following data;
Mass = 4kg
Initial temperature = 30.0°C
Final temperature = 90.0°C
Specific heat capacity of glass = 837 J/kg°C
To find the quantity of heat absorbed;
Heat capacity is given by the formula;
[tex] Q = mcdt[/tex]
Where;
Q represents the heat capacity or quantity of heat.
m represents the mass of an object.
c represents the specific heat capacity of water.
dt represents the change in temperature.
dt = T2 - T1
dt = 90 - 30
dt = 60°C
Substituting the values into the equation, we have;
[tex] Q = 4*837*60[/tex]
Q = 200800 Joules.
Therefore, the amount of heat absorbed is 200800 Joules.
A 400 N girl standing on a dock exerts a force of 100 N on a 1000 kg sailboat as she pushes it away from the dock. How much force does the sailboat exert on the girl?
Answers
Answer:
The boat pushes back on the girl with an equal force of 100N
Explanation:
Newton's third law of forces explains that action and reaction are equal and opposite. This means that for every action of a force, there is an equal but opposite reaction.
In our case, as the girl pushes on the boat with a force of 100N, the boat pushes back with a force of 100N also, following Newton's third law
the far point of a miopic person is 80cm in front of eye.what is the nature and power of the lens required to correct the problem
Answers
Answer:
Part A
The nature of the lens required is a concave lens
Part B
The power of the lens required is -1.25 D
Explanation:
Part A
Myopia is the eye condition whereby the focus of light entering the eye is in front of the retina such that the vision of a myopic person is blurred
The given far point of the myopic person in question = 80 cm
To correct the problem, the focus of light entering the eye will be moved further to reach the retina, by means of a concave lens which makes distant objects appear to come from (form an image at) 80 cm
Part B
The lens formula is given as follows;
[tex]\dfrac{1}{f} = \dfrac{1}{d_o} + \dfrac{1}{d_i}[/tex]
Where;
f = The focus of the lens (virtual focus)
[tex]d_o[/tex] = The distance of the object = ∞ (infinity)
[tex]d_i[/tex] = The distance of the image = -80 cm (virtual image formed in front of the mirror)
Plugging in the values, gives;
[tex]\dfrac{1}{f} = \dfrac{1}{\infty} + \dfrac{1}{-80 \, cm} = \dfrac{1}{-80 \, cm}[/tex]
[tex]\therefore \dfrac{1}{f} = \dfrac{1}{-80 \, cm}[/tex]
f = -80 cm = -0.8 m
The power of a lens, 'P' is the reciprocal of the focal length, 'f', given in meters
[tex]P = \dfrac{1}{f (in \, meters)}[/tex]
The SI unit for the power of a lens is the dioptre (D)
Therefore;
[tex]P = \dfrac{1}{-0.80 \, m} = -1.25 \, D[/tex]
Therefore, the power of the lens required, P = -1.25 D.
Pilings are driven into the ground at a building site by dropping a 2250 kg object onto them. What change in gravitational potential energy does the object undergo if it is released from rest 16.0 m above the ground and ends up 1.30 m above the ground ? Change in gravitational potential energy:
Answers
Answer: 324.135 kJ
Explanation:
Given
Mass of dropping is [tex]m=2250\ kg[/tex]
The initial height of dropping is [tex]h_1=16\ m[/tex]
The final height of dropping [tex]h_2=1.3\ m[/tex]
Gravitational potential energy is the function of height i.e.
[tex]\Rightarrow \text{G.E.}=mgh[/tex]
Change in Gravitational Energy is
[tex]\Rightarrow \Delta \text{G.E.}=mg(h_1-h_2)=2250\times 9.8\times (16-1.3)\\\\\Rightarrow \Delta \text{G.E.}=3,24,135\ J\approx 324.135\ kJ[/tex]
Is there any alternative method to find the intensity of earthquake
Answers
Answer:
Hey mate....
Explanation:
This is ur answer.....
Another way to measure the strength of an earthquake is to use the Mercalli scale. Invented by Giuseppe Mercalli in 1902, this scale uses the observations of the people who experienced the earthquake to estimate its intensity.
Hope it helps you,
Mark me as the brainliest....
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Scientists classify stars by color: white, red, blue. The color of a star helps to tells us how
______ The star is.
Answers
Answer: Hot
Explanation: Scientist use the color of starts to determine how hot the surface temperature is.
Could someone please help me..?
The effect an electric charge has on other charges in the space around it is the charge's:
friction
electric current
electric field
induction
Answers
Energy from the sun is used by solar collectors to heat water or by solar cells to store energy for electricity. One disadvantage of solar energy is that _____
Answers
Answer: lots of them
Explanation:
We observe a glowing cloud of gas in space with a spectroscope. We note that many of the familiar lines of hydrogen that we know on Earth seem to be in a different place. They are shifted toward the blue or violet end of the spectrum compared to their positions in the spectrum of glowing hydrogen gas on Earth. From this we can conclude that: Group of answer choices the cloud is moving away from us the cloud is much hotter than hydrogen on Earth the cloud is moving toward us No information can be concluded from this observation alone the cloud is much cooler than hydrogen on Earth
Answers
Answer:
No information can be concluded from this observation alone the cloud is much cooler than hydrogen on Earth
Define atmospheric pressure
Answers
Answer:
tmospheric pressure, force per unit area exerted by an atmospheric column (the entire body of air above the specified area)
What are some of the skills required to play floor hockey?
Answers
Answer:
Skills required to play floor hockey include passing, receiving passes, shooting, stick- handling (dribbling), defensive skills and goaltending. Players are allowed to use both sides of the blade of the stick. The front side is called the forehand (face) and the back side is called the backhand.
A lady holds a large concave mirror of focal length 1.8m from her face.State two characteristics of her image in the mirror.
Answers
Answer:
reflection and refraction?
Explanation:
XOXO
Kit
URGENT HELP NEEDED PLEASE!
A clay ball (mass = 0.25kg) has a rightward momentum of +1.75 kg∙m/s. A second clay ball (mass = 0.25 kg) has a leftward momentum of -1.75 kg∙m/s. The two collide, stick together, and come to a complete stop after the collision.
a) What was the total energy of the system before the collision?
b) What was the total energy of the system after the collision?
Answers
Answer:
the total energy before collision is 12.25J
the total energy after collision is tranfered to sound and heat (by the friction between the two clay balls)
Explanation:
first we should know the velocity of the 2 balls:
momentum=mass ×velocity
we have the momentum and the mass of the 2
so momentum ÷mass=velocity
clay ball 1 velocity=7 m/s & clay ball 2 velocity= -7 m/s
KE=1/2 mv²
1/2 ×0.25×7²=6.125J KE of ball 1
1/2 ×0.25×-7²=6.125J KE of ball 2
add them both we will have 12.25J which is before collision
this energy will then be tranfered to heat and sound as they stop after the collision(velocity =0m/s)
A series of four different cylinders were each subjected to a force by placing four different masses on top of them. The mass placed on each cylinder
and dimensions of each cylinder are shown below. Rank the stress on these cylinders from least to greatest.
Mass (kg) Diameter (cm) Height (cm)
Case
A
B
С
D
5.2
3.6
4.7
2.9
2.6
2.3
2.7
32.2
32.5
27.3
16.9
Answers
Answer:
C, B, D, A
Explanation:
Stress is F/A, where F = 9.8*mass and A = pi(d/2)^2
Do the math for each and the stress from least to greatest is C, B, D, A.
The height column is unnecessary information.
When four different cylinders(A,B,C,D) were each subjected to a force by placing four different masses on top of them. the Rank of stress on these cylinders from least to greatest is D, C, B, A.
What is Stress ?Stress is defined as applied force(F) per unit cross sectional area(A) on which force is applied. it I.e. Stress = F/A. its SI unit is N/m². More force on small area leads to higher stress.
Given,
For A
Mass m = 5.2 kg
Diameter = 2.6 cm
Radius r = 1.3 cm = 0.013 m
Height = 32.5
Stress on A = Force ÷ A = mg ÷ πr²
Stress = (5.2×9.8) ÷ (3.14×0.013²)
Stress = 96031 N/m²
For B
Mass m = 3.6 kg
Diameter = 2.3 cm
Radius r = 1.15 cm = 0.011 m
Height = 27.3
Stress on B = Force ÷ A = mg ÷ πr²
Stress = (3.6 ×9.8) ÷ (3.14×0.011 ²)
Stress = 92856 N/m²
C
Mass m = 4.7 kg
Diameter = 2.7 cm
Radius r = 1.35 cm = 0.0135 m
Height = 16.9
Stress on C= Force ÷ A = mg ÷ πr²
Stress = (4.7 ×9.8) ÷ (3.14×0.0135²)
Stress = 80487 N/m²
D
Mass m = 2.9 kg
Diameter = 32.2 cm
Radius r = 16.1 cm = 0.16 m
Stress on D = Force ÷ A = mg ÷ πr²
Stress = (2.9×9.8) ÷ (3.14×0.16²)
Stress = 353 N/m²
Hence Rank of stresses on the 4 cylinders are D, C, B, A
To know more about Stress, click :
https://brainly.com/question/25632718
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please help me please please help me please please
Answers
Answer:
3a) k = 500 N/m
3b) x = 0.05 m
3c) F = 2.5 N
4a) W = 120 N
4b) W = 5 N
4c) W = 0.2 N
Explanation:
3a) Force; F = 10 N.
Extension; x = 20 mm = 0.02 m
Formula for spring constant is;
K = F/x = 10/0.02
k = 500 N/m
3b) Force is now; F = 25 N
Since k = 500 N/m
Then x = F/k = 25/500
x = 0.05 m
3c) extension is now 5 mm = 0.005 m
Thus; F = kx = 500 × 0.005
F = 2.5 N
4a) Formula for weight is;
W = mg.
g = 10 N/kg
m = 12 kg
Thus; W = 12 × 10
W = 120 N
4b) Mass; m = 500 g = 0.5 kg
Thus; W = 0.5 × 10
W = 5 N
4c) mass; m = 20 g = 0.02 kg
W = 0.02 × 10
W = 0.2 N
What are the functions of skeleton?
Answers
Answer:
support the structure of ur body
Explanation:
it gives the body its shape,allows movement,and also provides protection for ur organs
Answer:
The skeletal system works as a support structure for your body. It gives the body its shape, allows movement, makes blood cells, provides protection for organs and stores minerals. The skeletal system is also called the musculoskeletal system
Explanation:
I HOPE IT'S HELP :)when you blow across the top of a soda bottle it acts like a closed pipe. if it creates a fundamental frequency of 680 Hz, how deep is the bottle? (Speed of sound = 343 m/s) (Unit = m)
Answers
Answer:
0.125
Explanation:
acellus
A yodeler yodels at a cliff 2000 m away. The sound of the echo returns in 9.8 s. If the wavelength of the sound wave is .85 m then what is the period of the sound wave?
Answers
Answer:
Hey man, are you who I think you are? ... you used your student number on your account.... anyways im in your class :) guess who I am for free points. so the formula for period is Period=Wavelength/Velocity, so P=.85/velocity, to find velocity would be using the formula speed=distance/time, so the velocity is 2000/9.8 which is around 204.0816327.... so back to period formula, P=.85m/204.08 which gives a period of .004165. But im not entire sure so you have to check that on your own. (gl guessing who I am. hehe)
Explanation:
You push a 22.0 kg box along a rough floor at a constant velocity. The coefficient of kinetic friction between the box and the floor is 0.45. You then release the box and it slows to a stop.
a) For the time where you are pushing the box, draw a free body diagram of the box and calculate the value of each force as you can on your free body diagram.
b) For the time where you have released the box, draw an FBD of the box. Determine the value of the forces on the FBD and determine the unbalanced force.
c) What will the acceleration of the box be when it is released and slowing to a stop?
