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myrzilka [38]
3 years ago
15

Where do antibodies come from? Please Help

Biology
1 answer:
jolli1 [7]3 years ago
3 0

Answer:

Antibodies are produced by specialized white blood cells called B lymphocytes (or B cells). When an antigen binds to the B-cell surface, it stimulates the B cell to divide and mature into a group of identical cells called a clone.

Explanation:

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Answer:

The gravitational pull between two objects increases as the distance between them decreases. The gravitational pull also increases with an increase in the mass of the objects. Earth has a large mass. So, when our bodies are close to Earth, the gravitational pull between us and the Earth is strong. This force pulls us down, so we stand firmly on the ground without floating in the air. Without the gravitational force, we would drift away from Earth.

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Explanation:

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4 years ago
In bonding of any type, the level electrons are involved
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The level of electrons involved is equal to its valency....
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3 years ago
Solar energy causes water to evaporate into the atmosphere. How does that water vapor become a cloud?
Dafna1 [17]
<h2>Answer:</h2>

Statement A gives the correct conversion mechanism of water vapor into cloud.

<h2>Explanation:</h2>

Water that is at the outside of the sea, streams and lakes can progress toward becoming water vapor in the demeanor of our climate with a little included vitality from the Sun through a procedure called evaporation. Day off the ice can likewise progress toward becoming water vapor through a procedure called sublimation. Also, water vapor gets into the environment from plants by a procedure called transpiration.  

As the water vapor ascends in the environment it cools, shaping modest water beads high in the sky by a procedure called condensation. Those water beads make up mists. In the event that they develop huge enough they in the end become too substantial to even think about staying noticeable all around, tumbling to the ground as a downpour, day off, different sorts of precipitation.

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Eons are the broadest category of geologic time, and we live in the Phanerozoic eon. The Phanerozoic eon is further divided into
igor_vitrenko [27]

Answer:

D. Mass extinction events separate the three eras from each other

Explanation:

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4 years ago
A hominin fossil that has a long, low skull, projecting face and occipital bone, and large nasal aperture is likely to be classi
svet-max [94.6K]
The correct answer is archaic.
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3 years ago
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