How can a scientist know if what he/she is looking at, under the microscope, is in fact a cell? what can mislead us to think we are looking at a cell but in fact we are looking at non-living structures of about the same size?

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder

What is the identity of the planets?

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different