A scientist is observing onion cells and human cheek cells under a microscope.

Question

Which observation does she most likely make?

The onion cells have ribosomes, and the cheek cells do not.
The cheek cells have mitochondria, and the onion cells do not.
The cheek cells have a nucleus, and the onion cells do not.
The onion cells have a cell wall, and the cheek cells do not.

Answer 1

The observation the scientist most likely makes is:

The onion cells have a cell wall, and the cheek cells do not.

Onion cells are plant cells, which have a rigid cell wall made of cellulose, while human cheek cells are animal cells, which do not have a cell wall.