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>
Answer:
Adirondacks "Missing Time" Formation
Answer:
Water molecules are polar and form strong hydrogen bonds.
Explanation:
Properties like high surface tension and boiling point are unique to water due to water's polar molecules. This allows water to form very strong hydrogen bonds and give it some different abilities.
cilia
olfaction
molecules
genes
nasal cavity
<u>Hope</u><u> </u><u>it</u><u> </u><u>helps</u><u> </u><u>u</u><u> </u><u />
Answer:
True
Explanation:
Climax community usually contain large organisms, like plants and wildlife, so when those die, it has a chance of creating secondary succession but only if there was an initial climax. Therefore Ecological succession ends with Climax community, but it can still change.