The most aggressive form of lung cancer is

a. squamous cell carcinoma.
b. small-cell carcinoma.
c. adenocarcinoma.
d. large-cell carcinoma.
e. mesothelioma.


B

Biology & Microbiology

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The photosynthetic electron transport causes the accumulation of protons in which part of the chloroplast?  

A.  matrix B.  stroma C.  outer membrane D.  internal thylakoid space

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In the internal leaf structure shown above, the item labeled "2" is

a. a vascular bundle. b. spongy mesophyll. c. epidermis. d. a stoma. e. palisade mesophyll.

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Residual air volume is indicated by the letter ____

a. A b. B c. C d. D e. E

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The protists include photosynthetic, parasitic, and pathogenic species

Indicate whether the statement is true or false

Biology & Microbiology