Answer:
A. Activated B - cells divide to form memory cells.
Explanation:
The vaccine contains the dead version of the respective virus, so that virus will be inactive and it will become easy for the WBC to kill it and antibodies will be formed.
This is done because if we get infected by the virus, our body cells (WBC) will remember that how they killed the first entered virus (the dead version) and it will be easy for them to kill the active virus as they know the antibodies which were formed to kill the inactive virus.
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The primary function of decomposers...Decompose
The type of sedimentary rock that can resemble an igneous rock is Conglomerate. This si so because Conglomerate, even though is a sedimentary rick, contains many fragments of igneous rock. Remember that igneous rocks are also called magmatic rocks and is one of the three main rock types.
The difference is very small, if it exists at all. Please Mark Brainliest!
<span>Asexual
reproduction produces offspring that are genetically identical to a single
parent. The offspring may either bud from the parent or by fission. An example
of this is Baker’s yeast. They are produced by budding. So as the small bud
grows from the parent, it receives the same nucleus of the parent. When it
pinches off from the parent, it is smaller but is genetically similar to the
parent. On the other hand sexual reproduction involves two parents that contribute
to the genetic material in order to produce a unique offspring. Your answer is
incorrect. The correct answer is letter B.</span>
