CHEMISTRY MIDDLE SCHOOL

The energy for protein synthesis is generated by the _____. A. Golgi body

B. mitochondria

C. rough ER

D. ribosome

Answers

Answer 1
Answer:

Answer:

b. mitochondria

Explanation:

Most of the ATP produced in the cells, come from the mitochondria, or even in the cytoplasm. In the case of the protein synthesis, since the process starts inside the nucleus of the cell and ends in the cytoplasm, the energy used during the process are obtained mainly from the mitochondria.

Answer 2
Answer: The answer is B. mitochondria

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Which statement best defines a universal law

Answers

The law of attraction in physics Newton's gravitational pull means to lie close to each other. In the field of physics of each object with mass m1 always have attractive forces with another object (with mass m2). For example, a particle with other particles will always mutual attraction. Examples put forward by Sir Isaac Newton in the field of classicalmechanics that anything on the atmosphere will be pulled by the earth,which was then known as the phenomenon of falling objects.

Attractive force of gravity is expressed by Isaac Newton viaWriting in the journal Philosophiæ Naturalis Principia Mathematica onJuly 5, 1687 in the form of the following formula:

    F = G \ frac {M_1 m_2} {r ^ 2},

Where:

    F is the force of gravity between the two masses,
    G is the gravitational konstante,
    m1 is the mass of the first object
    m2 is the mass of the object, and
    r is the distance between the two masses.

Thistheory is then developed further that any celestial body will be mutualattraction, and this could explain why the earth should revolve aroundthe sun to offset the attractive force of gravity of the earth-sun. Byusing the gravitational pull of this phenomenon as well, meteors closerto the Earth in its journey in space will be attracted fall to earth.

Whats the difference between hetergeneous and homogeneous?

Answers

In Homogeneous, "Homo" means same, so homogeneous means the same nature or kind.

 Heterogeneous is the opposite. It means diverse.
 
A good way to remember is just think of homo as same. And the rest should come to you.

Hope this helps! :)

A 10-Newton object displaces 12 Newtons of water. Will this object sink of float?I'm confused, my guess is sink.

Answers

Answer: The object will float.

Explanation:

Balanced force is defined as the force that gets cancelled out when equal forces are acting in the opposite direction. The net force on the system comes out to be 0.

Unbalanced force is defined as the force that does not get cancelled out because unequal forces act on the system in opposite direction. The motion of the object is in the direction of net force.

According to the question:

Object is exerting a downward force of 10 N on the water and water is exerting an upward force of 12 N on water.

As, the upward force by water is more than the downward force by object. So, the object will float on the surface of water.

If the downward force by the object is been more than the upward force, the object will sink.

Hence, the object will float.
This object would float

I have lungs but no legs. My offspring are found in membranous-shelled eggs and use lungs to breathe.

Answers

its a snake. snakes have lungs and a foot but no legs. its offspring are in eggs

Why is it important to use 0 in measurement

Answers

Answer:

Example:

0.0001 = 1 x 10-4

you can you 0 for applying weight or volume

Answer:

Expressed in kilograms, the mass of 0.098kg should still have two important digits. 0 is essential because if you don't use the zero after the decimal point then you will be using the incorrect measurement.

Hope this helps.

- Que

Similar organisms that are not related are an example of A.  Natural selection
 B. Convergent evolution 
 C. Divergent evolution 
 D. Common ancestor

Answers

The best answer here is " B. Convergent evolution". This describes the process whereby evolutionary pressures of the local environment in two unconnected areas converge to produce organisms that are similar. This may be because they have developed solutions to sourcing their nutrition from the same type of place eg ants in a nest preyed upon by mammals with specially adapted long tongues.
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