Answer:
Your answer is Stigma.
Explanation:
The stigma is the sticky knob at the top of the pistil. It is attached to the long, tubelike structure called the style. Hope this helped :)
Scientists
can also glimpse the awful effects of Alzheimer's disease when they look at
brain tissue beneath the microscope:
Alzheimer's tissue has numerous fewer nerve
cells and synapses than a well brain.
<span>
<span>Plaques, unusual
clusters of protein particle, which are construct up between nerve cells.</span>
</span>
<span>
<span><span>Dead and dying nerve cells contain tangles,</span> which
are produce of twisted strands of a further protein.</span>
</span>
<span>Scientists
are not absolutely sure what causes cell death and tissue deficiency in the
Alzheimer's brain, but plaques and tangles are key suspects.</span>
A cell wall<span> is a structural layer that surrounds some types of </span>cells<span>, situated outside the </span>cell membrane. <span>The rigid outermost </span>cell<span> layer is found in plants and certain algae, bacteria, and fungi but not from animal </span>cells<span>. </span>
