8 Muscle tissue is made up of specialized muscle cells. How are individual muscle cells different from the muscle tissue in the biceps
muscle?

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these