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Question 1 of 402.5/ 2.5 Points________ are ligands, which promote cell growth.A. ApoptosisB. InhibitorsC. Growth factorsD. AutoinducersFeedback:Correct!Question 2 of 40
2.5/ 2.5 PointsA newly-discovered butterfly species has a chromosome number of n=7. Match the total number of chromosomes in each type of cell.A. 14B. 71. Zygote2. Daughter cell after telophase IIFeedback:The gamete is haploid (7), the zygote is the diploid embryo (14), somatic cells are diploid (14) and after telophase II the daughter cells are haploid (7).AB
Question 3 of 400.0/ 2.5 PointsIn the quest to understand the basis of infertility in humans, researchers have identified a mutation ina gene associated with chiasmata. This protein normally acts to promote homologous recombination.Why might a defect in homologous recombination have consequences for fertility?Feedback:Incorrect-Learning Objective Text: Analyze meiosisQuestion 4 of 402.5/ 2.5 PointsWhat properties are expressed by wavelengths? Select all that apply.
B. Green is useful in absorbing light during photosynthesisC. Red absorbs little energyD. Chlorophyll a reflects red light wellE. Visible light’s wavelengths are between 400-740nmFeedback:CorrectQuestion 5 of 401.25/ 2.5 PointsInositol phopholipids are (select all that apply)Feedback:Incorrect-Learning Objective Text: Explain how the binding of a ligand initiates signal transduction throughout a cellQuestion 6 of 402.5/ 2.5 PointsYeasts life cycle is categorized asA. Alternation of Generations
B. Gamete-ZygoteC. Diploid-DominantD. Haploid-DominantFeedback:Correct!Question 7 of 402.5/ 2.5 PointsIf rubisco does not function properly, what process would be affected?