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Megan observes four cells under a microscope and makes sketches of them as shown. Identify whether the cells are prokaryotic or eukaryotic.

prokaryotic cell

eukaryotic cell

PICTURE INCLUDED...

1- Eukaryotic

2-Prokaryotic

3- Prokaryotic

4- Eukaryotic

Explanation:

Eukaryotic cells have membranes bounding their organelles and nucleus.

Prokaryotic cells have no membranes bounding their organelles and nucleus.

the real answer is b. scintillation counter

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.