96%(28)27 out of 28 people found this document helpful
This preview shows page 1 - 4 out of 12 pages.
Exam 4- Chapters 16-20Part 1 of 1 - 90.0/ 100.0 PointsQuestion 1 of 402.5/ 2.5 PointsA donkey and a horse can mate and produce a mule. Why are they not considered to be the same species? Feedback:CorrectQuestion 2 of 402.5/ 2.5 PointsSequencing the genomes present in a biofilm is known as ________.Feedback:CorrectQuestion 3 of 402.5/ 2.5 PointsGradual speciation is more likely to be associated with small changes building up in C.stable environmentsFeedback:Correct
Question 4 of 402.5/ 2.5 PointsStabilizing selection happens whenFeedback:CorrectQuestion 5 of 402.5/ 2.5 PointsA 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?Feedback:CorrectQuestion 6 of 400.0/ 2.5 PointsBacillus thuringienesisbacteria 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 themselvesB. put the toxin gene into the plants themselves to make their own toxinC. engineered insects to be able to use Bacillus thuringienesisas a food sourceD.put the toxin gene into humans so that they are resistantFeedback:Incorrect- Learning Objective Text: Describe uses of biotechnology in medicine and agriculture
Question 7 of 400.0/ 2.5 PointsHow could phylogenetics be useful for humans in medicine?Feedback:Incorrect- Learning Objective Text: Discuss the components and purpose of a phylogenetic treeQuestion 8 of 402.5/ 2.5 Points