If an atom has the atomic number 11 and the atomic mass 22.99, it will have
A. 1 electron in the third energy level.
B. 1 electron in the second energy level.
C. 3 electrons in the fourth energy level.
D. 1 electron in the first energy level.
A. 1 electron in the third energy level.
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What is a possible negative consequence of using bacteriophage to control food-borne pathogens?
A. The bacteriophage may infect humans, causing disease. B. The bacteriophage are likely to drastically alter the normal gut flora. C. The target bacteria may evolve resistance to individual strains of bacteriophage. D. The bacteriophage will alter the flavor and texture of the food.
What were the short-term responses of each population during the first 20 years following the removal of the mice? a. Deer mice remained absent from the community and there was no apparent impact on thesize of all other populations
b. deer mice began to re-establish in the community. c. Mesquite rose to a level that dominated the community, but there was no apparent impact onthe size of all other populations. d. None of the above.
A person choking on a piece of food
a. cannot talk, breath, or cough. b. can cough but cannot breath or talk. c. can talk and cough but is unable to breath. d. can breath through their nose if they remain calm. e. can do none of these
The start codon is ____
The start codon is ____. a. AAA
b. TTT c. AUG d. GUA e. UUU