The nodules found in the roots of legumes characteristically contain mycorrhizae. Indicate whether the statement is true or false
False - rhizobia
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In polymerase chain reaction technology, the two strands of DNA are separated by:
a. gel electrophoresis. b. treatment with restriction enzymes. c. centrifugation. d. exposure to high pH. e. exposure to heat.
After a disaster, residents may be advised to boil water for 15 minutes before drinking it to improve the taste
Indicate whether the statement is true or false
Through meiosis
A) alternate forms of genes are shuffled. B) offspring are provided with new gene combinations. C) parental DNA is divided and distributed to forming gametes. D) the diploid chromosome number is reduced to haploid. E) All of the choices are correct.
Which era saw the rise of seeds and pollen in plants?
A) Precambrian B) Cenozoic C) Paleozoic D) Cretaceous E) Mesozoic