The immune system must be activated to obtain immunity from a pathogen.
a. primary
b. non-specific
c. specific
d. innate

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Which best describes carbon dioxide’s path out of the body