Both "depends upon the binding of that substance to a specific site on the membrane protein" and "depends upon movement of proteins from one side of the membrane to the other" are correct.
The saturation effect prevents statement 2 from being true.
Answer:
the central nervous system, cardiovascular, respiratory, and musculoskeletal systems
Explanation:
<span>The second statement is correct. Viruses can infect all cellular life forms, but each cellular species
can be infected by own limited specific range of viruses. Most viruses that harm
animals can not harm humans. But, some viruses can infect different species of mammals, for example both
bats and humans can be infected be rabies.</span>
Living things are identifiable by:
- movement (even cellular or internal movement)
- growth and development
- response to stimuli
- reproduction
- use of energy
- cellular structure
