What feature of cell theory is best demonstrated in the image? A. Cells are the basic units of structure and make up tissues.
B. Organisms have cells with different shapes and functions.
C. Organisms are made up of a few similar cells.
D
Cells are formed from other cells.

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions

How are viruses different from eukaryotic cells?