Robert Hooke coined the term cell when studying thin slices of cork. These ________ were the first cells observed because ________
A) dead plant cells; the thick cells walls did not require high resolution or magnification to view
B) dead animal cells; they were immobile and did not need to be fixed before viewing
C) compartments; they were actually the result of multiple cells that had merged and died to form large compartments that were easy to view
D) immune cells; they produce antibodies that embed in the cell membrane to make it visible
E) "little rooms"; they were 100 nm in diameter, much larger than most plant cells
Answer: A
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Answer the following statement true (T) or false (F)
Which tissue is striated and can contract rapidly, producing voluntary movements?
a. skeletal muscle b. smooth muscle c. bone tissue d. cardiac muscle e. adipose tissue
Which of the following helminths is correctly paired with its portal of entry?
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Which one of the following occurs when a phosphate is removed from an ATP molecule?
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