Which of the following is an example of cross-contamination? a. a customer breaks their tooth after biting into a hamburger with a piece of glass mixed into it. b. a customer gets sick with e. coli after eating lettuce that was cut on same cutting board as raw meat. c. a customer gets sick with e. coli after eating lettuce that was cut on the same cutting board as fully cooked meat. d. a customer gets sick after eating a sandwich that was contaminated with pesticide solution.
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Biology, 21.06.2019 19:30
What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.
Answers: 2
Biology, 22.06.2019 00:00
If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.
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Biology, 22.06.2019 07:30
Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.
Answers: 2
Biology, 22.06.2019 11:50
Approximately what wavelength of light is best absorbed by chlorophyll a
Answers: 1
Which of the following is an example of cross-contamination? a. a customer breaks their tooth after...
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