Which structure stores nitrogenous waste removed from a bird embryo?
1.amniotic cavity
2.allantois
3.chorion
4.yolk
2
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Based on their abundance and location in bacterial genomes, deduce which is LEAST likely to horizontally transfer into another bacterium while maintaining its identical function and regulatory roles
A) heat shock protein-encoding gene B) lac operon C) catabolic regulon D) quorum sensing operon
The name given to rat-bite fever when the illness is caused by acquired Spirillum minus is:
a. sodoku. b. Haverhill fever. c. monillic fever. d. monillic gastritis.
Which of the following can be used to carry foreign DNA into host cells? Choose all correct answers
a. RNA b. viruses c. PCR d. plasmids e. lipid clusters f. blasts of pellets g. xenotransplantation h. sequencing
Although Americans make up less than 5% of the total human population, what percentage of the world's resources do Americans generally use?
A) 51% B) 24% C) 73% D) 82%