Question

carrie observes an electron micrograph of a cell during biology lab. the cell has a flagellum, ribosomes, cell wall, and no apparent nucleus. which of the following is likely true of the cell that carrie is observing?
the cell also contains mitochondria.
the cell is prokaryotic.
the presence of the organelles proves that the cell is eukaryotic.
the cell is a plant because of the cell wall.

Explanation:

To solve this, we analyze cell structure: Prokaryotic cells lack a nucleus, have ribosomes, cell walls, and may have flagella. Eukaryotic cells (like plant cells) have a nucleus and mitochondria. The observed cell has no nucleus, so it's prokaryotic. Option 1 (mitochondria) is wrong (prokaryotes lack mitochondria). Option 3 (eukaryotic) is wrong (no nucleus). Option 4 (plant cell) is wrong (plant cells are eukaryotic with a nucleus). So the correct statement is "The cell is prokaryotic."

Answer:

B. The cell is prokaryotic. (Assuming the second option is labeled B; adjust identifier if needed based on actual labeling, but the content is "The cell is prokaryotic.")