Which of the following statements describe situations of passive transport across a cell membrane? (Choose all that apply) A cell uses energy to move molecules across a membrane from an area of lower concentration to an area of higher concentration.
Water is moved across a membrane to dilute a molecule that is highly concentrated on the other side.
A cell removes specific molecules through a membrane based on size.

Chicken pox and hepatitis are bacterial diseases. true or false?

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth