In response to falling levels of testosterone, which hypothalamic hormone rises?
a. prostaglandins
b. FSH
c. LH
d. GnRH
e. hCG
ANSWER: d
Biology & Microbiology
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In a ripening banana, __________ change to __________
a. chloroplasts; chromoplasts b. chloroplasts; leucoplasts c. chromoplasts; chloroplasts d. chromoplasts; leucoplasts
Biology & Microbiology
When a plant becomes infected by pathogenic bacteria or fungi, it may respond by way of a fight or
flight response – a defense that cordons off an infection site surrounding it with dead cells.
Indicate whether the statement is true or false.
Biology & Microbiology
Fossil fuels ____
a. can be recycled b. are produced by living organisms c. are the organic remains of ancient organisms d. can reduce climate change e. release less energy than wood when they are burned
Biology & Microbiology
Fossils used to define and identify geologic periods are ________ fossils.
A. index B. body C. trace D. stromatolite
Biology & Microbiology