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4 years ago

Identify the independent and dependent variable

1 answer:

8 0

The independent variable (x-axis) is what the scientist (or supervisor) can change themselves while the dependent variable (y-axis) is the result of the independent.

Note, just like how you graph a coordinate, you would go along the x-axis, which is the independent variable, and from there, you go up or down the y-axis because of the dependent variable.

e.g. The height of a plant DEPENDS on how much fertilizer the farmer give it.

The independent is the amount of fertilizer, because the farmer could control how much they give, and the height of the plant is the dependent variable because it depends on the independent variable.

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Which of the following is a synthesis reaction?

Allushta [10]

Answer: 4 A1+3 02 → 2 Al2O3

Explanation: Two different atoms combines together to produce a compound.

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2 years ago

Read 2 more answers

Phosphagens are a group of molecules that includes creatine phosphate (in vertebrates), and arginine phosphate, lombricine, and

BARSIC [14]

Answer:

Phosphagen provides the needed energy for the muscle tissues which can not be immediately supplied by glycolysis or oxidative phosphorylation. They supply immediate but limited energy as sudden demands for lots of energy by the muscle tissues arise.

Explanation:

Phosphagens are high energy storage compounds majorly found in muscular tissue of animals.

They allow maintenance of the high energy phosphate stores in its normal concentration ranges which discard the problems associated with ATP-consuming reactions in these tissues as against the presence of adenosine triphosphate.

The muscle tissues are actively working and need constant supply of energy and the energy produced by glycolysis and oxidative phosphorylation might not sum up to the needs of the tissues. So therefore, phosphagens serve as a stand by mechanism for energy production for the tissues mostly during sustained muscle activity.

The man, the muscle cells' phosphocreatinine concentration is more than three times the concentration of ATP and represent a ready reserve of high energy phosphate that can be donated directly to Adenosine diphosohate to release energy.

Different organisms use different biomolecule as a phosphagen. Majority of animals use arginine as their phosphagen, chordates use creatinine, annelids use lombricine.

They all perform these similar functions described above.

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3 years ago

What is the highest energy to which doubly ionized helium atoms (alpha particles) can be accelerated in a DC accelerator with 3

pentagon [3]

Answer:

Highest energy will be equal to $9.6\times 10^{-13}J$

Explanation:

Charged on doubly ionized helium atom $q=2e=2\times 1.6\times 10^{-19}C=3.2\times 10^{-19}C$

It is accelerated with maximum voltage of 3 MV

So voltage $V=3\times 10^6volt$

Now energy is given by $E=qV=3.2\times 10^{-19}\times 3\times 10^6=9.6\times 10^{-13}J$

So highest energy will be equal to $9.6\times 10^{-13}J$

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3 years ago

An object has a mass of 72 kg. What is its weight?

In-s [12.5K]

Answer:Acceleration due to gravity on the moon is 1/6 times as that on the earth and we know that mass is property of the material it always remains same and weight is measure of gravitational force, hence

mass of object on moon is 60kg and weight =60g/6=10×10=100N

Explanation:

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3 years ago

The figure above shows the basic concepts of cell division

Cerrena [4.2K]

A. DNA is copied.
- The cell duplicates its DNA in order to have a complete set in eac cell when it divides.

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3 years ago