*NURSING > EXAM > BIOL133-Exam 4- Chapters 16-20-with 100% verified answers-2022 (All)

BIOL133-Exam 4- Chapters 16-20-with 100% verified answers-2022

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Part 1 of 1 - 90.0/ 100.0 Points Question 1 of 40 2.5/ 2.5 Points A donkey and a horse can mate and produce a mule. Why are they not considered to be the same species? E. the mule is sterile... Feedback: Correct Question 2 of 40 2.5/ 2.5 Points Sequencing the genomes present in a biofilm is known as . B. metagenomics Feedback: Correct Question 3 of 40 2.5/ 2.5 Points Gradual speciation is more likely to be associated with small changes building up in C. stable environments Feedback: Correct Question 4 of 40 2.5/ 2.5 Points Stabilizing selection happens when D. the intermediate phenotype of a population is more likely to survive Feedback: Correct Question 5 of 40 2.5/ 2.5 Points A gene is made up of three exons (numbered consecutively) with two introns (intron 1 between exons 1 and 2 and intron 2 between exons 2 and 3). What would happen if there were a mutation at the 3’ splice site of intron 1? D. mRNA with all three exons along with intron 1 Feedback: Correct Question 6 of 40 0.0 / 2.5 Points Bacillus thuringienesis bacteria produce a toxin that harms insects. The bacteria used to be grown in culture and sprayed on crops as an insecticide. How has genetic engineering eliminated the need to do this? • A. engineered motility for the bacteria so they can move to the crops themselves • B. put the toxin gene into the plants themselves to make their own toxin • C. engineered insects to be able to use Bacillus thuringienesis as a food source • D. put the toxin gene into humans so that they are resistant CONTINUED........ [Show More]

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