Almost every element of bird anatomy is modified for what?
A) laying eggs
B) eating seeds
C) enhancement of flight
D) singing unique songs
C
Biology & Microbiology
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The electron transport systems in eukaryotes and prokaryotes use different electron carriers.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Today nearly every nation in the world belongs to the United Nations
a. true b. false
Biology & Microbiology
Which of the following is incorrect about the polymerase chain reaction?
A. It cannot be used on very old samples of tissue or blood. B. It makes identical copies of the DNA molecule to be amplified. C. It can be used to identify the owner of a single hair. D. It uses a heat stable DNA polymerase. E. It is an amplification process.
Biology & Microbiology
Many prokaryotes play vital roles in global nutrient cycles
a. true b. false
Biology & Microbiology