Which of the following cells are found in xylem?
a. tracheids and vessel members
b. stone cells and epidermal cells
c. sieve tubes and companion cells
d. fibers and sclereids
a
Biology & Microbiology
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The __________ reactions convert _____ (B) to sugars
a. Calvin cycle; O2 b. light; CO2 c. Calvin cycle; CO2 d. light; O2
Biology & Microbiology
The early hominid fossils are found in
a. Africa. b. Asia. c. Australia. d. the South Pacific. e. Europe.
Biology & Microbiology
Which of the following is NOT involved in the formation of a blood clot?
a. plasma cells b. fibrinogen c. thrombin d. fibrin e. factor X.
Biology & Microbiology
The sister chromatids are separated during__________ II of meiosis.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology