Globally, what is the greatest killer of species?
a. destruction of coral reefs
b. air pollution
c. deforestation
d. water pollution
e. nuclear contamination
ANSWER: c
Biology & Microbiology
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If a mouse has 12 chromosomes how many linkage groups will it posses?
a. 16 b. 5 c. 12 d. 112 e. 36
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What proteins do the APOE gene code for?
a. lipoproteins b. surface antigens c. myofilaments d. hydrolytic enzymes e. nucleases
Biology & Microbiology
Increased levels of cesium radioisotopes released from the Fukushima nuclear power plant were observed in ____
a. blue whales b. sharks c. bluefin tuna d. yellowfin tuna e. swordfish
Biology & Microbiology
Approximately how many years ago did humans of the genus Homo first inhabit eastern Africa?
a. 6 million b. 4 million c. 3 million d. 2 million e. 1 million
Biology & Microbiology