What percentage of insects species are phytophagous (feed on plants)?
a. About 10%
b. About 20%
c. About 30%
d. About 50%
Ans: d. About 50%
Biology & Microbiology
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Mutations that inhibit the function of photosystem I but not photosystem II would result in a plant cell that could still generate ______.
A. produce O2, ATP, and NADP+ B. produce ATP and NADP+ C. produce O2, ATP, and NADPH D. produce ATP and NADPH E. produce CO2 and ATP
Biology & Microbiology
In order to transfer gene a, b, and c to an F- cell, how long must the sex pilus be in place?
a. Less than 4 minutes. b. 10 minutes. c. 14 minutes. d. More than 8 minutes but less than 20. e. 5 minutes
Biology & Microbiology
What percent of the total blood volume is plasma?
a. 25 b. 40 c. 55 d. 65 e. about 80
Biology & Microbiology
Transpiration increases at lower temperatures. Indicate whether the statement is true or false
Biology & Microbiology